Arduino Day-Night Controller
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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The output cable from my 20 MHz function/sweep generator dangled over the side of the workbench,...
When SI is depressed, an initial positive voltage is placed on C2 and the noninverting terminal...
To build the circuit, attach a 220-ohm resistor to pin 13. Then attach the long leg of an LED...
Now we bring you two versions of a homemade digital thermometer with ICL7106 that I recently...
The 555 timer IC is an integrated circuit (chip) used in a variety of timer, pulse generation and...
I am interested in creating an interactive LED gameboard of some kind (or even a sort of...
This circuit senses AC audio voltage supplied to the car-radio loudspeakers and displays it as...
As the only electronics engineer in my family and circle of friends, it is sometimes not possible...
Similar to the CMOS based Touch Switch also on this site, this transistor based touch switch can...
About a do-it-yourself alarm arrangement body with PIC18F452. It`s a abundant amusement activity...
How to change the brightness of aLED Whether led lights are dimmable Is it possible to adjust the...
Multi Tone Alarm Description This is a simple and easy to build multi tone alarm circuit that can...
I would like to learn if this circuit will invert the input signal or not. The opamp is single...
As shown in FIG grounds MAX4106/4107 using a capacitive load drive circuit isolation resistor Rs...
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