Pump control for a bioareactor application
Measure and record mains frequency on the SD card along with the timestamp.
Any AC voltage up to 250VAC 50/60Hz, then send values to Adafruit IO MQTT, and a local App Inventor app...
The application is used to detect and store the signals from a bioreactor (Microbial Electrolysis Cell for hydrogen production)
A small device that will help you sorting resistors without wasting time with their color code.
Create a history graph that maps temperature values live on a TFT LCD in seconds. Just edit 2 variables and choose your graph's colour.
Use three HC-SR04 ultrasound sensors and two battery displays to show you how close the obstacles are and from which side.
Using the VL53LO and an Arduino for distance measurement.
+ LCD/OLED can be used to measure body temperature or to detect movement... in Celsius and Fahrenheit!
Bridging the gap between professional and DIY/hobbyist bench power supply.
A beginner to mid-level project utilising an inexpensive ultrasonic sensor, an Arduino and some intermediate code language.
A measuring device that also doubles as a burglar alarm, using an ultrasonic sensor and LCD.
Simple weather station Arduino UNO: measures temperature, humidity, air pressure using BMP280, DHT11, windspeed 3D-printed anemometer.
USB LiPo battery powered, Arduino-based non-contact IR thermometer, stopwatch, inactivity tracker, cooking timer with alarm & 7-Seg Display.
One of the widely used, automation and process control devices is the flow meter; it is a device used to measure the flow rate of liquid.
Build a speed monitor using our 24GHz radar evaluation board Sense2GoL and see who's the fastest on the floor!
Using Wemos D1, an ultrasonic sensor and Thingio.AI IoT platform.
Using the library SoftSerial and doing the configuration of one 10-bit ADC pin.
This is a monophasic and biphasic residential consumption monitoring meter using the ESP32.
This project demonstrates how easy you can use the DMMShield from Digilent with all Arduino boards.
Just a quick showcase on a handheld, wireless and battery operated distance sensor. Incredibly long-life (8 + years!).
With a DC range of -25V to +25V, a voltmeter combining analog needle & digital LEDs to represent integer & fractional voltages respectively.
Measuring and monitoring temperature and humidity using raspberry pi and DHT11
An auto ranging meter with diode/LED, resistance, capacitance, continuity testing capabilities. No Voltage or Current measurements !