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Temperature Controller for Crystal Oven – Circuit Schematic
Temperature Controller for Crystal Oven
The temperature of a quartz crystal for oscillator should to be kept constant to operate at very stable frequency. This oven temperature controller is suitable....
Temperature Control Circuit by Fan – Circuit Schematic
Temperature Control Circuit by Fan
The circuit is temperature control by fan, this circuit can control temperature and it also indicates the temperature. All the above functions are monitored and...
Temperature-to-Frequency Converter: Enabling Simple Telemetry – Circuit Schematic
Temperature-to-Frequency Converter: Enabling Simple Telemetry
If you send a DC voltage signal to carry the information for a long distance, then the signal will suffer attenuation with unpredictable characteristic introduc...
TMP01 Celsius Scale Temperature Sensor – Circuit Schematic
TMP01 Celsius Scale Temperature Sensor
The schematic diagram described here is a TMP01 Celsius Scale Temperature Sensor circuit. This circuit is used to convert the VPTAT output voltage that is ....
Simple Parking Sensor Using LM324 – Circuit Schematic
Simple Parking Sensor Using LM324
Circuit diagram is a simple parking sensors, sensing the distance between where the rear bumper of the car and obstacles behind the car. In the circuit diagram ...
Simple Humidity Sensor – Circuit Schematic
Simple Humidity Sensor
You can use a humidity sensor to give an alert of boat leakage, or when your books start being flooded by heavy rain attack on your broken roof, or anything you...
Simple Car Parking Sensor circuit – Circuit Schematic
Simple Car Parking Sensor circuit
car parking sensor circuit takes advantage of the photodiode as the sensor distance. The distance between adjacent sensors....
Simple Capacitive Touch Sensor – Circuit Schematic
Simple Capacitive Touch Sensor
Capacitive touch sensors are based on the electrical capacitance of the human body. When, for example, a finger comes close to the sensor, it creates a capacita...
Simple Automatic Air Flow Detector Circuit and Circuit Board – Circuit Schematic
Simple Automatic Air Flow Detector Circuit and Circuit Board
This circuit is a simple detection of air flow, this circuit can be signaled in the event of air flow. The sensor used is a filament incandescent lamps. Air Flo...
Signal Conditioning Circuit for KMI 15/x Rotation Speed Sensor – Circuit Schematic
Signal Conditioning Circuit for KMI 15/x Rotation Speed Sensor
A modulated current is provided by the integrated rotational speed sensor KMI 15/x. This current signal must be converted to ground referenced voltage signal,....
Signal Conditioning Amplifier for Piezofilm Sensor – Circuit Schematic
Signal Conditioning Amplifier for Piezofilm Sensor
The signal can be converted by piezoelectric films in many ways such as thermal to electrical (temperature sensor), mechanical to electrical (microphone), and....
Reflected Infrared Light Switch – Circuit Schematic
Reflected Infrared Light Switch
Infrared light reflected off a finger is used to activate this switch circuit...
Radiation Sensor Circuit – Circuit Schematic
Radiation Sensor Circuit
Here is 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 t...
Pressure Sensor Signal Conditioning Circuit with Single Op-Amp – Circuit Schematic
Pressure Sensor Signal Conditioning Circuit with Single Op-Amp
This is pressure sensor signal conditioning circuit. It is simple and inexpensive circuit because it has small geometry and simple pressure sensor. It just uses...
Presence detector proximity sensor circuit – Circuit Schematic
Presence detector proximity sensor circuit
This circuit reacts in presence of any conductor object including humans. This circuit does not detect object movement but can act as an proximity sensor!....
Photo Switch Circuit – Circuit Schematic
Photo Switch Circuit
A simple photo switch circuit using NE 555 IC with diagram and schematic.This photo switch ons a relay when light intensity crosses limit.A light sensor circuit...
Motion Detector Sensor Circuit – Circuit Schematic
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 detection, detection senso...
Liquid detector water sensor circuit – Circuit Schematic
Liquid detector water sensor circuit
This is a very simple liquid detector that use a relay to open an evacuation van. You can use it for water or any liquid that conduct electricity. Use any....
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....
Light sensor switch circuit – Circuit Schematic
Light sensor switch circuit
This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain peri...