Top Circuits Page 226
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I made circuit diagram in Kicad (In my opinion the best freeware software for drawing electronic diagrams and printed circuits boards). For printing....
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-
Make a very cheap, relatively easy to construct robot which will wake up any time you shine a desk lamp on it. There are no sensors on it, although I....
-
You can download the schematic below. Have a look at it since you will need to match the circuit you are building, to this schematic. It is very like....
-
This is an old project of mine from about 3 years ago. I was 8 when my father bought me a C=64 28 years ago, and I still remember how thrilled I was t....
-
I have included two schematics, one is the circuit without a programming port and one includes a programming port....
-
The circuit can be divided into four sections: power supply, touch sensor, microcontroller, and LED driver. The touch sensor is connected to the frame....
-
-
Now gently bend the leads of the LEDs and using the schematic circuit diagram given below begin to solder Once you finish soldering, it shoul....
-
Each one can drive 10LEDs in either bar mode like this project or dot mode. Switching between both modes can be done, more instructions in datasheet. 21 LEDs of any color you want. I used bright white ones. You can use some green, some yellow & some red for....
-
As mentioned before, a simple pulse stretcher like a 74HC123 could have been used, but I didn`t have one so I used a PIC instead I was going to dr....
-
Hello Everybody! After a year or so of reading and drooling over other people`s wonderful projects in these pages I decided to finally make one of my....
-
This is a very easy instructable to build a digital switch for your camera in order to take photos with your microcontrollers. What you need: 1....
-
-
Hi guys this is my first tutorial, I`ve just started a few months ago learning electronics (previously I`ve just knew how to program in C and Python)....
-
Jumping ahead just a little The YouTube video below illustrates how quickly and easily the system is set up at the launch site My to....
-
Below is the final schematic for the Menta ECG Simulator project. LadyAda`s Eagle schematic for the Menta was used as a starting point and I simply ad....
-
These are my plans for an EMP Generator. It uses flash circuits from disposable cameras to power the coil. I plan to make an instructable of it soon....
-
After soldering in the components highlighted in the circuit diagram, it is time for a quick check. I used 3 volts from a couple of AA cells for this....
-
This is for all the spies/paranoid people out there. An essential piece of equipment for any spy is an Electronic Bug Detector. You never know what go....
-
There are an incredibly large number of TX and RX Modules for micro-controllers. The cheapest I found was $9.99, not bad but I remember seeing FM rece....
-
The on thing every spy needs is a small and well concealed listening device. The FM Listening Bug Kit gives you all you need to build a small, single....
-
As you can see in the schematic below this is a very simple circuit and will be an easy build. On thing the Schematic doesn`t convey very well is wher....
-
-
As you can see, there are few parts to this design, really just the ATmega328p-pu microcontroller and the LCD display. Both of them require a steady +....
-
There are a few Instructables and otherwise internet based instructions on how to modify a television set into an audio visualizer or other simple....
-
In previous Instructables tutorials we have described how to make equipment used for DNA electrophoresis and imaging. These include a mini-gel electro....
-
The H-Bridge is a circuit which can drive a motor in forward and reverse. It can be a very simple circuit that requires only a handful of components....
-
this instructable will show you exactly how to read all those confusing circuit diagrams and then how to assemble the circuits on a breadboard!for all....
-
This is the Snap Circuits Motor Control IC, or H-bridge. At the top of the figure you can see the electronic schematic of the Motor Control block. On....
-
The circuit used for this project is really straight forward. Many would likely criticize me that I didn`t use decoupling capacitors for the LM7805 vo....
-
Note: This project page has morphed into a design discussion. (Constructive suggestions and collaboration are still welcome. See the comments sectio....
-
the circuit diagram is shown below. hopefully it is readable.if you`ve got a breadboard, lay one out first and make sure it all works!AGH sorry! Revis....
-
Publishing this one in a hurry, in case it is useful to our friends in Japan. This is a simple Geiger counter circuit. It does require some speciali....
-
Real time clock turns OFF the counter at night for reduced power. When the bee crosses under the LED the light is reflected back to the sensor. (its a photo transistor) and triggers a digital input to the Arduino. (or teensy in my case). I lined up two chips....
-
Here is the particular schematic for the Tesla Coil that we will be building. I do not take credit for its creation - it was made by Steve Ward and yo....
-
The schematic is given below.it would be better if you built it in 3 different parts-like i have done it. The 555 timer circuit: -connect pin2 to pin....
-
This circuit uses a microcontroller I/O pin to control a high power load such as a motor, without risking damage to the sensitive circuits of the micr....
-
This is a simple how-to guide on making a cheap remote/wireless ignition for a spud gun or other application. It uses a doorbell circuit to transmit an RF signal to activate a relay that completes a 9V stun gun circuit, turning it on. Can be made for less....
-
This inverter will drive any fluorescent lamp between 8w and 20w but works best with 16w tubes. It preheats the electrodes and keeps them heated while....
-
First off I should mention that this is supplemental Instructable to the countless others that show you how to build a USB charger. I am assuming you....
-
You will need this project when you have an extra mobile battery or you need to charge any lithium, Lithium ion or Lithium Polymer battery. Maximum c....
-
Assemble the circuit on a perfboard or pcb except the inductor. Attach two long wires at the place of the inductor. Use a long rod and place the induc....
-
This is how to make a trimet. The parts you need are: 3 Capacitors, a 2N3904, a 2N3906, a resistor(1k to 10k ohm), a solar cell (minimum 3 volts),....
-
Hello all, Recently I acquired some samples of IR LED`s, and a matching IR Phototransistor. I was bored, and decided to make something with it!....
-
If your are like me which I am guessing you are, then ever since you got into doing stuff with arduino you have wanted to make your own arduino board....
-
The PICAXE basic code is easy: the main loop keeps looking for a signal from the IR receiver via the irin command. When it gets a code, it places in....
-
This Instructable describes the installation of a SPY5000 two way motorcycle alarm with a Honda 1998 CB250 Nighthawk motorcycle. This Alarm is rat....
-
-
Tired of always being snuck up upon? Doing any stealth surveillance or reconnaissance? Or maybe you just need to set-up a fail-safe alarm for your stu....
-
-
Hi guys..!!this is my 1st easy cheap n simple instructabel u need following components for laser burglar alarm-1. LDR or photocell 2.printed circui....
-
-
Here`s the new flasher circuit schematic. It consists of a 555 timer circuit and a power transistor. The power transistor is probably way overkill, (it is rated at 10A) but it`s what I had available. You can vary C1, R1 and R2 for to vary the flash rate and....
-
Hello everyone, thank you for checking out my first Instructable. I have enjoyed seeing your creations over the years and love what all of you are con....
-
Attached the circuit schematics 12 Volts : from car battery Ground : Car chassis Signal : from the sensor stepper motor The No 5 Pin of LM3914 c....
-
Learn how to fortify your fortress no matter what the size with this ingenious myriad of a customizable laser grid. Once someone steps through and bre....
-
This instructable will teach you how to make a laser trip mine. If someone steps in the lasers path I have gotten it to set off a L.E.D., but you can....
-
I assume anyone who wants to make this can read the schematics bellow Basic principles:NOTE:Li-Ion batteries shouldn`t be discharged bellow 3V (In....
-
Here`s a handy Arduino shield: we`ve had a lot of people looking for a dedicated and well-designed data logging shield. We worked hard to engineer an inexpensive but well-rounded design. Not only is it easy to assemble and customize, it also comes with great....
-
The following instructions will allow you to build a practical test tool for troubleshooting and analyzing digital and microcontroller circuits. The complete Assembly and Instruction Manual can be downloaded from the the following web link: Don`s Projects....
-
Hi and welcome to my first instructable! I`m going to show you how to make your own low-power wireless charging circuits that will let you pass elect....
-
It is very important to know about the pins of the IC in order to build the circuit. 1GND - Ground, low level (0 V) 2 TRIG -. One day i went to my friends house and noticed that his doorbell gave a sound similar to a cuckkoo bird, whereas mine was a simple....
-
Now Look carefully following circuit Diagram & try out the circuit on bread board first. if it is working properly go to making its PCB version. the P....
-
As MIDI data is transmitted between instruments using a current loop, a opto-isolator (6N139) is used to convert this current loop into TTL pulses. Th....
-
-
Audiostrobe glasses are used in conjunction with light and sound machines, as well as some brainwave entrainment software. The glasses have LEDs buil....
-
This is the circuit diagram. It is essentially a DC-DC converter, and a PIC 16F84 (or PIC 16F88) to drive it. Sw1 is a test switch - push it to caus....
-
Make sure to double-check your connections using the circuit diagram and schematic below. You can use this while you follow along in the tutorial vide....
-
My daughter wanted a way of measuring static for her science project. While scanning through an old copy of Getting Started in Electronics by Forres....
-
The reflected IR signal detected by the photo diode is fed to a signal conditioning circuit that filters the unwanted signals and boost the desired pu....
-
The circuit is a basic 555 timer circuit in astable mode. In this configuration the IC sends a brief pulse to the buzzer every few minutes. The values....
-
Pure sine wave inverters are best, however they are expensive to buy or build. Modified sine wave inverters will power some equipment square wave inve....
-
There is a lot you need to know to completely design an inverter. Unless you can acquire a custom made transformer your circuit design is ruled by th....
-
This is a fairly simple schematic of the amplifier and filter. At the core of the circuit is an LM124 op-amp running in an inverting configuration. Th....
-
Mousebot from Make vol 2 is a fun introduction to robotics. So fun that I`ve created this expanded documentation of a Mousey build from start to finis....
-
The hardware within this circuit involved a Picaxe 18M2 IC which is the programmable micro-controller in my design which can be programmed using a PC,....
-
This my fist project with SMD circuit. I ignored SMD because the small sized parts are confused me. The circuit of current SMD project is the headpho....
-
The schematic diagram (see picture) and electronic assembly are fairly straightforward since most of the magic happens in the microcontroller code....
-
This Photo Instructable shows how to use two old phones as a cheap intercom between Point A and Point B. Might be useful between the house and the sh....
-
Let me begin by saying I built my buffer board with a specific project in mind but I`d like to present it here as more of a general application devic....
-
This Audio Mixer mixes multiple audio inputs to a single audio output, with knobs to control the volume of each channel. My particular build features....
-
This instructable is intended to show you how to make several different filter circuits, in particular, low pass and high pass filters, along with a....
-
Build a Hackduino board as explained here. Cut the speaker off of your wireless doorbell receiver. Leave as much wire connected to the receiver as yo....
-
This works in a way that the phone line won`t stay busy while the LEDs are connected and when you pick up the phone, the light goes off and allow you to use your phone normally. hello. u sadi that ur phone delivers 48 v DC n when phone rings, it delivers 96....
-
Note: If you would like to learn more about the circuit that powers the Sifteo Base audio read on! Otherwise feel free to skip to the next step. Our....
-
Here`s a really simple and inexpensive ($1) LED driver circuit. The circuit is a constant current source, which means that it keeps the LED brightne....
-
PIC microcontrollers are a very useful and versatile tool for use in many electronic projects. They are very inexpensive and easy to find. They are al....
-
2N3904 is the NPN transistor. Looking at the flat face, the left lead is Emitter (pin 1 in schematic), the middle lead is Base (pin 2 in schematic), the right lead is Collector (pin 3 in schematic). Another end of 50 Ohm resistor to +5v pin on Arduino. (An....
-
-
This also Not a Cell phone jammer. Jamming a Cell phone is similar on its principle, but totally a different build, you need a range from 800MHz to 900MHz. You need an OP amp and a few other parts and formulas The Radio Jammer sends out a EM wave at a....
-
This product includes some logic circuitry used to control the timing of the output pulses, which will be discussed in a later step. The logic circui....
-
This is my first autonomous robot. I built it to explore the interfacing of various sensors to a PICAXE processor. His mission is to search for a magn....
-
Here`s the schematic for the circuit. Solder all the components onto perfboard. Sorry the drawings kind of bad. Basically, the 555 timer sends a pulse....
-
Hi i am ajinkya this is my first Instructable -SIMPLE WATER DETECTOR For this project u will need the following parts: 1.IC 555 timer-1 2.Small size g....
-
If you look carefully at the schematic you will notice the input is feed into the voltage divider. This is because the Schmitt Triggers all turn on a....
-
the rest of the pictures show the construction of the sub. It was made out of two C channels connected by an aluminum sheet. A skid was added to the bottom to allow the sub to skate over the bottom to gather quantitative video samples of the ecology. The....
-
Designed for any purpose that might need a very sensitive, any-direction, do-not-tilt switch. This instruction describes construction of: 1) My initia....
-
The schematic diagram for the circuit is given in the picture above. Like its name suggests, a comparator compares two given voltages. The pair of 1K....
-
The switch has been mounted inside the tap of the handlebar. I`ve make the battery holder out of an old flashlight. As you can see in the video in step 1, i`ve put the sireen inside the left end-bar grip and the wires pass under the tape and inside the tube....
-
-
I recommend breadboarding the entire circuit first. It was way easier on a breadboard that trying to figure out what goes where on a tiny piece of pr....
-
In order to switch some floodlights by my Arduino, the small switch circuits I built around a 39mf22 were just not man enough to handle the current ne....
I made circuit diagram in Kicad (In my opinion the best freeware software for drawing electronic diagrams and printed circuits boards). For printing....
Make a very cheap, relatively easy to construct robot which will wake up any time you shine a desk lamp on it. There are no sensors on it, although I....
You can download the schematic below. Have a look at it since you will need to match the circuit you are building, to this schematic. It is very like....
This is an old project of mine from about 3 years ago. I was 8 when my father bought me a C=64 28 years ago, and I still remember how thrilled I was t....
I have included two schematics, one is the circuit without a programming port and one includes a programming port....
The circuit can be divided into four sections: power supply, touch sensor, microcontroller, and LED driver. The touch sensor is connected to the frame....
Now gently bend the leads of the LEDs and using the schematic circuit diagram given below begin to solder Once you finish soldering, it shoul....
Each one can drive 10LEDs in either bar mode like this project or dot mode. Switching between both modes can be done, more instructions in datasheet. 21 LEDs of any color you want. I used bright white ones. You can use some green, some yellow & some red for....
As mentioned before, a simple pulse stretcher like a 74HC123 could have been used, but I didn`t have one so I used a PIC instead I was going to dr....
Hello Everybody! After a year or so of reading and drooling over other people`s wonderful projects in these pages I decided to finally make one of my....
This is a very easy instructable to build a digital switch for your camera in order to take photos with your microcontrollers. What you need: 1....
Hi guys this is my first tutorial, I`ve just started a few months ago learning electronics (previously I`ve just knew how to program in C and Python)....
Jumping ahead just a little The YouTube video below illustrates how quickly and easily the system is set up at the launch site My to....
Below is the final schematic for the Menta ECG Simulator project. LadyAda`s Eagle schematic for the Menta was used as a starting point and I simply ad....
These are my plans for an EMP Generator. It uses flash circuits from disposable cameras to power the coil. I plan to make an instructable of it soon....
After soldering in the components highlighted in the circuit diagram, it is time for a quick check. I used 3 volts from a couple of AA cells for this....
This is for all the spies/paranoid people out there. An essential piece of equipment for any spy is an Electronic Bug Detector. You never know what go....
There are an incredibly large number of TX and RX Modules for micro-controllers. The cheapest I found was $9.99, not bad but I remember seeing FM rece....
The on thing every spy needs is a small and well concealed listening device. The FM Listening Bug Kit gives you all you need to build a small, single....
As you can see, there are few parts to this design, really just the ATmega328p-pu microcontroller and the LCD display. Both of them require a steady +....
There are a few Instructables and otherwise internet based instructions on how to modify a television set into an audio visualizer or other simple....
In previous Instructables tutorials we have described how to make equipment used for DNA electrophoresis and imaging. These include a mini-gel electro....
The H-Bridge is a circuit which can drive a motor in forward and reverse. It can be a very simple circuit that requires only a handful of components....
this instructable will show you exactly how to read all those confusing circuit diagrams and then how to assemble the circuits on a breadboard!for all....
This is the Snap Circuits Motor Control IC, or H-bridge. At the top of the figure you can see the electronic schematic of the Motor Control block. On....
The circuit used for this project is really straight forward. Many would likely criticize me that I didn`t use decoupling capacitors for the LM7805 vo....
Note: This project page has morphed into a design discussion. (Constructive suggestions and collaboration are still welcome. See the comments sectio....
the circuit diagram is shown below. hopefully it is readable.if you`ve got a breadboard, lay one out first and make sure it all works!AGH sorry! Revis....
Publishing this one in a hurry, in case it is useful to our friends in Japan. This is a simple Geiger counter circuit. It does require some speciali....
Real time clock turns OFF the counter at night for reduced power. When the bee crosses under the LED the light is reflected back to the sensor. (its a photo transistor) and triggers a digital input to the Arduino. (or teensy in my case). I lined up two chips....
Here is the particular schematic for the Tesla Coil that we will be building. I do not take credit for its creation - it was made by Steve Ward and yo....
The schematic is given below.it would be better if you built it in 3 different parts-like i have done it. The 555 timer circuit: -connect pin2 to pin....
This circuit uses a microcontroller I/O pin to control a high power load such as a motor, without risking damage to the sensitive circuits of the micr....
This is a simple how-to guide on making a cheap remote/wireless ignition for a spud gun or other application. It uses a doorbell circuit to transmit an RF signal to activate a relay that completes a 9V stun gun circuit, turning it on. Can be made for less....
This inverter will drive any fluorescent lamp between 8w and 20w but works best with 16w tubes. It preheats the electrodes and keeps them heated while....
First off I should mention that this is supplemental Instructable to the countless others that show you how to build a USB charger. I am assuming you....
You will need this project when you have an extra mobile battery or you need to charge any lithium, Lithium ion or Lithium Polymer battery. Maximum c....
Assemble the circuit on a perfboard or pcb except the inductor. Attach two long wires at the place of the inductor. Use a long rod and place the induc....
This is how to make a trimet. The parts you need are: 3 Capacitors, a 2N3904, a 2N3906, a resistor(1k to 10k ohm), a solar cell (minimum 3 volts),....
Hello all, Recently I acquired some samples of IR LED`s, and a matching IR Phototransistor. I was bored, and decided to make something with it!....
If your are like me which I am guessing you are, then ever since you got into doing stuff with arduino you have wanted to make your own arduino board....
The PICAXE basic code is easy: the main loop keeps looking for a signal from the IR receiver via the irin command. When it gets a code, it places in....
This Instructable describes the installation of a SPY5000 two way motorcycle alarm with a Honda 1998 CB250 Nighthawk motorcycle. This Alarm is rat....
Tired of always being snuck up upon? Doing any stealth surveillance or reconnaissance? Or maybe you just need to set-up a fail-safe alarm for your stu....
Hi guys..!!this is my 1st easy cheap n simple instructabel u need following components for laser burglar alarm-1. LDR or photocell 2.printed circui....
Here`s the new flasher circuit schematic. It consists of a 555 timer circuit and a power transistor. The power transistor is probably way overkill, (it is rated at 10A) but it`s what I had available. You can vary C1, R1 and R2 for to vary the flash rate and....
Hello everyone, thank you for checking out my first Instructable. I have enjoyed seeing your creations over the years and love what all of you are con....
Attached the circuit schematics 12 Volts : from car battery Ground : Car chassis Signal : from the sensor stepper motor The No 5 Pin of LM3914 c....
Learn how to fortify your fortress no matter what the size with this ingenious myriad of a customizable laser grid. Once someone steps through and bre....
This instructable will teach you how to make a laser trip mine. If someone steps in the lasers path I have gotten it to set off a L.E.D., but you can....
I assume anyone who wants to make this can read the schematics bellow Basic principles:NOTE:Li-Ion batteries shouldn`t be discharged bellow 3V (In....
Here`s a handy Arduino shield: we`ve had a lot of people looking for a dedicated and well-designed data logging shield. We worked hard to engineer an inexpensive but well-rounded design. Not only is it easy to assemble and customize, it also comes with great....
The following instructions will allow you to build a practical test tool for troubleshooting and analyzing digital and microcontroller circuits. The complete Assembly and Instruction Manual can be downloaded from the the following web link: Don`s Projects....
Hi and welcome to my first instructable! I`m going to show you how to make your own low-power wireless charging circuits that will let you pass elect....
It is very important to know about the pins of the IC in order to build the circuit. 1GND - Ground, low level (0 V) 2 TRIG -. One day i went to my friends house and noticed that his doorbell gave a sound similar to a cuckkoo bird, whereas mine was a simple....
Now Look carefully following circuit Diagram & try out the circuit on bread board first. if it is working properly go to making its PCB version. the P....
As MIDI data is transmitted between instruments using a current loop, a opto-isolator (6N139) is used to convert this current loop into TTL pulses. Th....
Audiostrobe glasses are used in conjunction with light and sound machines, as well as some brainwave entrainment software. The glasses have LEDs buil....
This is the circuit diagram. It is essentially a DC-DC converter, and a PIC 16F84 (or PIC 16F88) to drive it. Sw1 is a test switch - push it to caus....
Make sure to double-check your connections using the circuit diagram and schematic below. You can use this while you follow along in the tutorial vide....
My daughter wanted a way of measuring static for her science project. While scanning through an old copy of Getting Started in Electronics by Forres....
The reflected IR signal detected by the photo diode is fed to a signal conditioning circuit that filters the unwanted signals and boost the desired pu....
The circuit is a basic 555 timer circuit in astable mode. In this configuration the IC sends a brief pulse to the buzzer every few minutes. The values....
Pure sine wave inverters are best, however they are expensive to buy or build. Modified sine wave inverters will power some equipment square wave inve....
There is a lot you need to know to completely design an inverter. Unless you can acquire a custom made transformer your circuit design is ruled by th....
This is a fairly simple schematic of the amplifier and filter. At the core of the circuit is an LM124 op-amp running in an inverting configuration. Th....
Mousebot from Make vol 2 is a fun introduction to robotics. So fun that I`ve created this expanded documentation of a Mousey build from start to finis....
The hardware within this circuit involved a Picaxe 18M2 IC which is the programmable micro-controller in my design which can be programmed using a PC,....
This my fist project with SMD circuit. I ignored SMD because the small sized parts are confused me. The circuit of current SMD project is the headpho....
The schematic diagram (see picture) and electronic assembly are fairly straightforward since most of the magic happens in the microcontroller code....
This Photo Instructable shows how to use two old phones as a cheap intercom between Point A and Point B. Might be useful between the house and the sh....
Let me begin by saying I built my buffer board with a specific project in mind but I`d like to present it here as more of a general application devic....
This Audio Mixer mixes multiple audio inputs to a single audio output, with knobs to control the volume of each channel. My particular build features....
This instructable is intended to show you how to make several different filter circuits, in particular, low pass and high pass filters, along with a....
Build a Hackduino board as explained here. Cut the speaker off of your wireless doorbell receiver. Leave as much wire connected to the receiver as yo....
This works in a way that the phone line won`t stay busy while the LEDs are connected and when you pick up the phone, the light goes off and allow you to use your phone normally. hello. u sadi that ur phone delivers 48 v DC n when phone rings, it delivers 96....
Note: If you would like to learn more about the circuit that powers the Sifteo Base audio read on! Otherwise feel free to skip to the next step. Our....
Here`s a really simple and inexpensive ($1) LED driver circuit. The circuit is a constant current source, which means that it keeps the LED brightne....
PIC microcontrollers are a very useful and versatile tool for use in many electronic projects. They are very inexpensive and easy to find. They are al....
2N3904 is the NPN transistor. Looking at the flat face, the left lead is Emitter (pin 1 in schematic), the middle lead is Base (pin 2 in schematic), the right lead is Collector (pin 3 in schematic). Another end of 50 Ohm resistor to +5v pin on Arduino. (An....
This also Not a Cell phone jammer. Jamming a Cell phone is similar on its principle, but totally a different build, you need a range from 800MHz to 900MHz. You need an OP amp and a few other parts and formulas The Radio Jammer sends out a EM wave at a....
This product includes some logic circuitry used to control the timing of the output pulses, which will be discussed in a later step. The logic circui....
This is my first autonomous robot. I built it to explore the interfacing of various sensors to a PICAXE processor. His mission is to search for a magn....
Here`s the schematic for the circuit. Solder all the components onto perfboard. Sorry the drawings kind of bad. Basically, the 555 timer sends a pulse....
Hi i am ajinkya this is my first Instructable -SIMPLE WATER DETECTOR For this project u will need the following parts: 1.IC 555 timer-1 2.Small size g....
If you look carefully at the schematic you will notice the input is feed into the voltage divider. This is because the Schmitt Triggers all turn on a....
the rest of the pictures show the construction of the sub. It was made out of two C channels connected by an aluminum sheet. A skid was added to the bottom to allow the sub to skate over the bottom to gather quantitative video samples of the ecology. The....
Designed for any purpose that might need a very sensitive, any-direction, do-not-tilt switch. This instruction describes construction of: 1) My initia....
The schematic diagram for the circuit is given in the picture above. Like its name suggests, a comparator compares two given voltages. The pair of 1K....
The switch has been mounted inside the tap of the handlebar. I`ve make the battery holder out of an old flashlight. As you can see in the video in step 1, i`ve put the sireen inside the left end-bar grip and the wires pass under the tape and inside the tube....
I recommend breadboarding the entire circuit first. It was way easier on a breadboard that trying to figure out what goes where on a tiny piece of pr....
In order to switch some floodlights by my Arduino, the small switch circuits I built around a 39mf22 were just not man enough to handle the current ne....
