Advertisement
Water Switch Sensor Circuit – Circuit Schematic
Water Switch Sensor Circuit
...
Humidity Control Switch Circuit – Circuit Schematic
Humidity Control Switch Circuit
This humidity controlled switch circuit turns on and off an electrical load (for example a heater) depending on the moisture content of the surrounding air.....
Vibration Sensor/Detector Circuit – Circuit Schematic
Vibration Sensor/Detector Circuit
With the help of a simple ceramic piezo-electric detector it is possible to assemble an interesting and useful Impact sensor unit,which can be used to dete.....
Touch Switch Circuits – Circuit Schematic
Touch Switch Circuits
A great collection of touch switch circuits. A touch switch is an electronic device that enables us to control a circuit by simply touching a sensor. The circui...
Clear Glass Sensor – Circuit Schematic
Clear Glass Sensor
Industrial grade clear glass sensor modules are widely available but not within the reach of an average electronics hobbyist. The simple clear glass sensor.....
Electric AC Heater Controller Unit – Circuit Schematic
Electric AC Heater Controller Unit
Minuscule circuit of the electric AC heater controller presented here is built around the renowned 3-Pin Integrated Temperature Sensor LM35 (IC1) from NSC ...
Line Following Robot Sensor – Circuit Schematic
Line Following Robot Sensor
This Line Following Robot sensor or surface scanner for robots is a very simple, stamp-sized, short range (5-10mm) Infrared proximity detector wired around.....
Coffee Thermometer Circuit – Circuit Schematic
Coffee Thermometer Circuit
The circuit featured here is very useful to save you from burning your tongue. The coffee thermometer is composed of a voltage regulator, a temperature to volta...
Magnetic Field Sensor Circuit – Circuit Schematic
Magnetic Field Sensor Circuit
This DIY magnetic field sensor circuit is very simple and can detect fixed magnetic fields or fields that are varying at an audio frequency. The unit is no.....
Heatsink Temperature Monitor Circuit – Circuit Schematic
Heatsink Temperature Monitor Circuit
This heatsink temperature monitor circuit signals via 3 LEDs when the temperature exceeds 2 boundary levels. When the heatsink temperature is below 50.....
Radiation Sensor Circuit – Circuit Schematic
Radiation Sensor Circuit
A simple tool to check the degree of radiation from an electric or electronic instrument. The LEDs in the circuit will give a running light pattern at the momen...
Temperature to Voltage Converter Circuit – Circuit Schematic
Temperature to Voltage Converter Circuit
With this simple temperature to voltage converter circuit we can do a precise measurement of the temperature in a room. A NTC resistor or a thermistor is u.....
Fatigue Testing Circuit – Circuit Schematic
Fatigue Testing Circuit
This fatigue testing circuit is very simple and easy to build and will determine how tired a person is. It has been discovered that the highest light frequ.....
Water Level Sensor Circuit – Circuit Schematic
Water Level Sensor Circuit
This simple water level sensor circuit monitors the presence of water in a certain location or container. The circuit sends an acoustic alarm when it sense.....
HEAT SENSOR image – Circuit Schematic
HEAT SENSOR image
This simple circuit senses heat from electronic devices and gives warning alarm. It is an ideal add on circuit to monitor heat in CD players, Amplifiers etc. Th...
Heat Sensor Circuit – Circuit Schematic
Heat Sensor Circuit
Here are 2 heat sensor circuits, first one is build with the 4060 IC, the second one is simpler than the one before and has fewer components. It is an idea.....
Earthquake Detector Circuit – Circuit Schematic
Earthquake Detector Circuit
Here is an ultra sensitive earthquake detector circuit that can sense seismic vibrations. It can be used to detect vibrations in the Earth. So it is an ide.....
Ultrasonic Sensor Circuit – Circuit Schematic
Ultrasonic Sensor Circuit
This Ultrasonic Sensor Circuit consists of a set of ultrasonic receiver and transmitter which operate at the same frequency. When something moves in the area co...
Infrared Detector Circuit with PID20 – Circuit Schematic
Infrared Detector Circuit with PID20
This infrared detector circuit uses a passive IR-detector component PID20. It converts heat radiation into electrical impulses. The output voltage of the PID20 ...
IR Infrared Detector Circuit – Circuit Schematic
IR Infrared Detector Circuit
This infrared detector can be used to detect the presence of modulated infrared signals in its vicinity from any electronic source, for instance, an IR han.....