There are 44 circuit schematics available in this category. Click here for all circuit diagrams. The Last circuit was added on Saturday, January 28, 2023.Please note some adblockers will suppress the schematics as well as the advertisement so please disable if the schematic list is empty.

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CircuitCategoryDate AddedOK?Votes 
Precision Digital AltimeterData AcquisitionMay 01, 2024Status1 vote up vote down
8 Photo-Detector Circuit BoardData AcquisitionSep 10, 2024Status0 vote up vote down
Self made data-logger V2.5 (second edition)Data AcquisitionNov 27, 2024Status-3 vote up vote down
Circuit monitoring device logs for over 10 days and can log up to 32k events both digital and analogData AcquisitionMay 24, 2024Status0 vote up vote down
Home Brew Compass SensorData AcquisitionApr 27, 2024Status-1 vote up vote down
Connect a NTC with a wheatstone bridge to a normal AD-InputData Acquisition Status1 vote up vote down
Making an LM35 temperature recorder (based on PIC12F675) - logs to EEPROMData Acquisition Status0 vote up vote down
Making an LM35 temperature recorder (based on PIC12F675) - serial outputData Acquisition Status-1 vote up vote down
Accelerometer with microcontroller and displayData Acquisition Status-1 vote up vote down
Using a 555 Timer as an A/D converterData Acquisition Status0 vote up vote down
Honey Bee counter (PDF)Data AcquisitionJan 26, 2025Status-1 vote up vote down
Capacitance type liquid level measurement (PDF)Data AcquisitionJan 26, 2025Status0 vote up vote down
Transducer AmplifiersData Acquisition Status0 vote up vote down
ADC Input Driver DIFFERENTIAL to DIFFERENTIALData AcquisitionApr 11, 2024Status0 vote up vote down
ADC Input Driver DIFFERENTIAL to SINGLE-ENDEDData AcquisitionApr 11, 2024Status2 vote up vote down
ADC Input Driver FULLY DIFFERENTIAL AMPLIFIERData AcquisitionApr 11, 2024Status0 vote up vote down
ADC Input Driver SINGLE-ENDED to DIFFERENTIALData AcquisitionApr 11, 2024Status-1 vote up vote down
ADC Input Driver SINGLE-ENDED to SINGLE-ENDEDData AcquisitionApr 11, 2024Status1 vote up vote down
Thermostat node schematicData AcquisitionOct 31, 2024Status0 vote up vote down
Ultrasonic Range Finder & ImagerData AcquisitionJun 09, 2024Status1 vote up vote down
Remote digital thermometer sends data over AC power lineData AcquisitionFeb 21, 2025Status0 vote up vote down
Voltage follower with 1G ohm input resistanceData AcquisitionFeb 21, 2025Status0 vote up vote down
Serial Port A/D-converterData AcquisitionJan 26, 2025Status-1 vote up vote down
Centronics port D/A converters and low-pass filterData AcquisitionJan 26, 2025Status0 vote up vote down
Strain gauge sensor interfaceData Acquisition Status0 vote up vote down
Wind speed loggerData AcquisitionOct 25, 2024Status1 vote up vote down
Wind speed logger Mk2Data AcquisitionOct 25, 2024Status0 vote up vote down
PIC16F877A Thermometer with MCP9700A sensorData AcquisitionJun 27, 2024Status0 vote up vote down
4 Bit Digitizer / flash ADC using discrete componentsData AcquisitionMar 05, 2025Status0 vote up vote down
Accelerometer SchematicData AcquisitionOct 31, 2024Status0 vote up vote down
Pressure Sensor-Based Altimeter CircuitData AcquisitionApr 27, 2024Status1 vote up vote down
Water-level sensorData AcquisitionJan 26, 2025Status1 vote up vote down
1-Wire Barometer projectData Acquisition Status0 vote up vote down
Addressable ADCData AcquisitionJul 24, 2024Status-1 vote up vote down
ADXL202 break-out boardData Acquisition Status0 vote up vote down
ADC logger 6ch Measurent and serial port logger with wireless longrange linkData Acquisition Status0 vote up vote down
Atmel Mega32 8ch Analog signal measure loggerData Acquisition Status0 vote up vote down
Computer datalogger circuitsData AcquisitionJul 10, 2024Status0 vote up vote down
Simple Computer A/D Uses a Serial PortData AcquisitionJul 10, 2024Status0 vote up vote down
Simpler temperature datalogger based on PIC12F683 and Maxim DS18B20Data AcquisitionJul 15, 2024Status1 vote up vote down
Digital Remote ThermometerData AcquisitionJul 30, 2024Status0 vote up vote down
XBee ZNet 2.5 Wireless AccelerometerData AcquisitionJun 28, 2024Status0 vote up vote down
Doppler Radar Sensor using CDM324 24GHz radar modulesData AcquisitionSep 06, 2024Status1 vote up vote down
Analog front-end / amplifier for CDM324 24GHz radar moduleData AcquisitionSep 06, 2024Status1 vote up vote down