Data acquisition and data logging schematics

  • Air flow detector
  • Air flow detector
  • Strain gauge sensor
  • Digital Water Wave/Tide/Level Meter (PIC16F876)
  • Self made data-logger V2.5 (second edition)
  • Magnetometer
  • Analog input section based on AD9220
  • uModem 4+4/8 channel A/D board
  • ADXL202 accelerometer to CV output
  • Light direction sensor
  • 12-Bit ADC interface
  • Digital thermometer
  • Universal flight controllers / datalogger
  • Rain detector
  • Home Brew Compass Sensor
  • Using 555 Timer as an A/D converter
  • ADC0804LCN 8-bit A/D converter
  • Web-based thermometer project
  • Low Flow-Rate Thermal Flowmeter
  • Geiger counter
  • Differential Capacitance Measurement for Tilt Meter
  • Honey Bee counter (PDF)
  • Capacitance type liquid level measurement (PDF)
  • Thermostat node schematic
  • Digital PC Oscilloscope
  • Ultrasonic Range & Imager
  • Precision Digital Altimeter
  • Remote digital thermometer sends data over AC power line
  • 4-channel data telemetry system
  • Voltage follower with 1G ohm input resistance
  • Digital compass schematic
  • Temperature datalogger
  • Serial Port A/D-converter
  • Centronics port D/A converters and low-pass filter
  • LCD Thermometer
  • Wireless Liquid Level Sensing for Restaurant Applications
  • Accelerometer Schematic
  • Pressure Sensor-Based Altimeter Circuit
  • Ultrasonic range finder circuit
  • 1-wire barometer
  • Water-level sensor
  • Addressable ADC
  • Electronic altimeter using PIC16F877
  • Wireless weater station