USB LiPo battery powered, Arduino-based non-contact IR thermometer, stopwatch, inactivity tracker, cooking timer with alarm & 7-Seg Display.
let's measure the smallest resistance ever posses by any wire or any shunt. The proper use of OHM's law with practical.
Used in a coffee roastery as part of a larger system, but can easily be adapted for control needs. A lot of control in a small form factor.
Using Wemos D1, an ultrasonic sensor and Thingio.AI IoT platform.
10 Magnets and 2 Hall effect sensors form a angle encoder which is used to measure angles that are displayed on a OLED screen.
Build and run a Qt application that recognizes a face and detects how far it is from the camera using stereo depth perception
Distance measurement using an ultrasonic sensor.
Measure and record mains frequency on the SD card along with the timestamp.
A sensor that can measure the outer temperature of any body, The MLX90614 infrared temperature sensor with proper circuit.
The basics of measuring the current. Making a own current sensor to measure the current using voltmeter. YES CURRENT USING VOLTMETER
Trying to get a discharge curve of you lithium battery preventing over-discharge? You can get that for less than $10.
Measuring 3 phases in electrical panel
Measuring resistance of short conducting wire in milliohms is not possible with multimeters but they can measure millivolts accurately.
M5StickC + Angle unit = Protractor (detecting range: 0-180 degrees）
This stroboscope is a precise and versatile instrument which can be used to analyze periodic or fast motions.
A digital clock completely built from scratch without any coding or microcontroller. Just by using only 74xx and 40xx series digital IC.
This PVIM Board is a Precision, Eight Channel, Synchronous Data Acquisition board (DVM), with Simultaneously Sampled Isolated Inputs.
In this tutorial, you will learn how to set up DHT11 and DHT22 sensors, and measure the environment temperature and humidity.
An auto ranging meter with diode/LED, resistance, capacitance, continuity testing capabilities. No Voltage or Current measurements !
Let's create a light gate using Arduino.
Just a quick showcase on a handheld, wireless and battery operated distance sensor. Incredibly long-life (8 + years!).
How to measure differential signals using an oscilloscope [examining the ADSL2+].
Measuring and monitoring temperature and humidity using raspberry pi and DHT11
Simple to make, but extremely useful instrument, especially when designing solar systems.
