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lm35 for precision centigrade – Circuit Schematic
lm35 for precision centigrade
The LM35 series that is used in this project is a precision centigrade temperature sensor, which has an analog output voltage. It has a range of -55 C to +150 C...
electronic touch switch – Circuit Schematic
electronic touch switch
The schematic shows the design of a circuit that senses the resistance of the skin and converts it into a useful switching signal. The touch switch contacts can...
sd card logging – Circuit Schematic
sd card logging
This documentation was compiled as a result of a bee hive temperature monitoring project. Multiple DS18B20 temperature sensors were used to sense the temperatur...
rtd temperature sensing – Circuit Schematic
rtd temperature sensing
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hall effect sensor circuit diagram – Circuit Schematic
hall effect sensor circuit diagram
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clap sensor construction – Circuit Schematic
clap sensor construction
The clap sensor is a simple circuit that incorporates a PC microphone, a microcontroller, and an output. The following diagram shows the logical circuit design:...
fritzing circuit tcrt1000 – Circuit Schematic
fritzing circuit tcrt1000
TCRT1000 - Reflective Optical Sensor Manufactured by Vishay Semiconductors I ordered it from Mouser For more information visit: Sensor Report Reflective Optical...
rf wireless temperature sensor – Circuit Schematic
rf wireless temperature sensor
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wireless temperature sensor – Circuit Schematic
wireless temperature sensor
Here`s the Arduino code for reading incoming packets from the XBee and displaying the received analog sample on the LED display. Parsing an XBee packet is quite...
making multi function water level – Circuit Schematic
making multi function water level
The following multi-function water level controller circuit post is based on the suggestions expressed by Mr. Usman. Lets learn more about the requested modific...
Sensors – Circuit Schematic
Sensors
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motion sensor using pir sensor module – Circuit Schematic
motion sensor using pir sensor module
A diode is used in series to drop the voltage down to 5. 4 V as the operating voltage for the PIC microcontroller should be below 5. 5 V. Besides, the diode als...
ultrasonic distance measurer – Circuit Schematic
ultrasonic distance measurer
Borrowing techniques echo sounder used to measure ocean depth, distance measuring device can be made with an ultra sonic. Gauge this distance using the same cir...
sensors – Circuit Schematic
sensors
Though the Arduino has no problem catching the incoming sensor data (it typically executes code in the range of microseconds (1 millionth of a second), I was ru...
optical apd rx1 – Circuit Schematic
optical apd rx1
As it turns out, many types of LEDs appear to exhibit gain effects akin to those of an avalanche photo diode when reverse-biased - an effect that has been obser...
Modulated Light DX – Circuit Schematic
Modulated Light DX
Which type of modulated light receiver should one use A photodiode straight into a high gain, high impedance amplifier A photodiode into a current amplifier A b...
project morpheus – Circuit Schematic
project morpheus
The goal of this project was to build a circuit that would monitor a person`s sleep activity and, eventually, give feedback on that activity to the user. The pu...
mains voltage detector – Circuit Schematic
mains voltage detector
The detector is intended to sense and signal to another circuit that an appliance is connected to the mains voltage. For this purpose, an optocoupler, IC1 in th...
automatic room light controller with – Circuit Schematic
automatic room light controller with
The objective of this project is to make a controller based model to count number of persons visiting particular room and accordingly light up the room. Here we...
control line follower robot controlled – Circuit Schematic
control line follower robot controlled
This Robot use two motors control rear wheels and the single front wheel is free. It has 4-infrared sensors on the bottom for detect black tracking tape, when t...