Color Sensor
Color sensor circuit which can sense eight colors, i.e. blue, green and red (primary colors); magenta, yellow and cyan (secondary colors); and black and white....
motion detector sensor circuit
This circuit is a motion detection sensor, this circuit uses a light source and detector as a sensor infrared motion detector. Motion sensor using infrared LED ...
analog line follower robot
Perhaps we often see robots line follower robot which is going to follow the line on the track. in general line follower robot is controlled by a microcontrolle...
Temperature To Pulse Width Converter Circuit Using LM3524
The circuit is temperature to pulse width converter. The LM3524 to convert the output of an LM135 temperature transducer into a pulse width which can be measure...
Motion Detectors with Infrared Sensors
Motion detectors often we hear, is to use ultrasonic sensors, the advantages of this sensor is sensitive and rapid response. But the main problem is that someti...
Water Activated Relay circuit board
Circuit diagram is water activated relay circuit. In this diagram circuit using two transistors connected as a high gain compound pair. 2N2222A transistors T1 a...
wind meters
This circuit is a circuit diagram gauges simple wind meter. Working principle of this circuit are the transistors Q1 and Q2 are used to feel the wind. The relat...
Ultrasonic Sensor Circuit
Ultrasonic sensor circuit is a sensor that consists of transmitter and receiver. This circuit is useful for remote control. The frequency of sound produced by a...
Advances in Measurement & Sensor Tech
In this issue, we feature articles on a variety of measurement-and sensor-related embedded design projects. I encourage you to try similar projects and share yo...
Geiger Counter
April 2006 was the twentieth anniversary of the Chernobyl reactor accident. In the days following the incident winds deposited much of the reactor contents acro...
Wireless temperature monitor has data-logging capabilities
Tom Au-Yeung and Wilson Tang, Maxim Integrated Products EDN You can make a wireless temps system with two ICs You can use a local temperature sensor and an ASK ...
Water Level Controller
Water level controller circuit described here control the water level inside a tank. There two modes available with this water level controller circuit. The....
Visitor Counter Circuit using TSOP1736
This room light controller project automatically using Microcontroller Visitors Counter is a reliable circuit that takes the task of controlling the room....
Use neural sensors to build smart sensor systems using microcontrollers
Neural networks are wide topic. But this small example demonstrates how to create basic neural sensor which takes resistive readings from multiply sensors and m...
Ultrasonic range finder circuit
The circuit is designed to be low cost. It uses a PIC12C508 to perform the control functions and standard 40khz piezo transducers. The drive to the transmitting...
Thermoelectric Heat Pump for Laser Diodes Stabilization
Usually, semiconductor laser diodes are operated from current drives. Unfortunately, The output power is strongly dependent on the device temperature ? a....
Temperature to Digital ConverterCircuit using LM35
Above circuit shows Temperature to Digital Converter diagram using this LM35 sensor with a useful bypass capacitor from VIN to ground and a series RC damper...
Temperature controlled relay circuit
This temperature controlled relay circuit is a simple yet highly accurate thermal control circuit which can be used in applications where automatic tempera....
Temperature Meter circuit
This temperature meter uses the precision micro power centigrade sensor IC LM35. The output voltage of the IC is linearly equal to 10Mv per degree centigr....
Temperature Measurement (Sensing) and Monitoring
Temperature? measurement (sensing) and monitoring will be economical and straightforward if we apply the input of? TC9400 V/F converter with a voltage from....