Temperature
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LCD-LED Display
THERMOMETER WITH LM35 SENSOR SCHEMATIC CIRCUIT DIAGRAM
The LM35 is an integrated circuit sensor that can be used to measure temperature with an electrical output proportional to the…
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Sensors - Tranducers Circuits
Heartbeat Sensor using Arduino (Heart Rate Monitor)
A heartbeat sensor is an electronic device that measures the heart rate, or the pace at which the heart beats.…
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Temperature compensated
Temperature Controlled DC Fan using Microcontroller
A Temperature Controlled DC Fan is a system which automatically turns on a DC Fan when the ambient temperature increases…
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Temperature compensated
Thermistor Temperature Sensing Alarm
This is a Thermistor Temperaturee detecting and warning circuit in one. When the temperature exceeds a certain threshold, the circuit…
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Fire Alarm
Low-Cost Fire Alarm Circuit
The temperature rises in a room where a fire has broken out. A fact is used to detect fire breakout…
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LCD-LED Display
Simple Temperature Measurement and Control Schematic Circuit Diagram
The circuit described here and its accompanying BASCOM software arose from the need to control the temperature in a laminator.…
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Motor Circuit Diagrams
Fan Speed Controller Schematic Circuit Diagram
Anyone who uses a computer for long periods will appreciate the benefits of a silent PC. Quite a few websites…
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Battery Charger
L200 Charger Circuit Schematic Circuit Diagram
This circuit came about as the result of an urgent need for a NiMH battery L200 charger. No suitable dedicated…
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Sensors - Tranducers Circuits
Temperature Logger for the Fridge Schematic Circuit Diagram
Most National Health Departments and Councils seem to agree that the recommended fridge temperature should be between 2 °C and…
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Calculator & Measurement
Temperature Sensor with Single-wire Digital Interface Schematic Circuit Diagram
A temperature measurement system with up to eight distributed temperature sensors can be realized using only a single signaling lead.…
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