外国电子制作-数据采集和数据记录图表

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

Digital compass schematic

Temperature datalogger

Serial Port A/D-converter

Centronics port D/A converters and low-pass filter

LCD Thermometer

Acceleration monitor using Analog Devices ADXL202

Optical sensor using PIC12C508

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