The Companion IC is a very cool looking Clock + Ohmmeter + Capacitance Meter + Diode Tester!
Project tutorial by Srijal Poojari
The device is capable of testing: PNP, NPN transistors, N or P channel MOSFET, diodes, double diodes, resistors, capacitors...
Project tutorial by Mirko Pavleski
Improved version of the soldering iron controller for Hakko 907 iron.
To simplify building the controller, LCD screen is implemented.
Project tutorial by Alexander
In this tutorial I am looking at using millis function in the code. Describing the advantages it has over using delay function.
Project tutorial by mdraber
Another simple to build useful instrument in you lab.
This is a simple square-wave generator that basically uses the TimerOne library allow you to generate a PWM signal at pin 9.
An arduiNOOB friendly tutorial for beginners on daisy-chaining.
Project tutorial by HeathenHacks
This device can also be called an EMF meter, as it can measure the relative strength of a field using a scale of 10 LEDs.
let's measure the smallest resistance ever posses by any wire or any shunt. The proper use of OHM's law with practical.
Project tutorial by sagar saini
On this simple tutorial, we will explore how to discover colors using an Arduino and the TCS 3200 sensor, displaying it on an LCD.
Project tutorial by MJRoBot (Marcelo Rovai)
Adjustable Temperature PTC Hot Plate for soldering SMD
Project tutorial by Tim Jackson
Relay VS Transistor.
Simple to build and useful instrument for your lab.
The device is sufficiently accurate and uses minimum number of external components.
Discharge a fully charged Lithium-Ion cell through a resistor while measuring the current flowing through the resistor to calculate capacity
You'll learn how to create an automation system to communicate 3 Arduinos via RS485.
Project tutorial by Robotics Arduino
Use the IO Expander and Relay Expander with the Arduino to control up to 65,280 relays!
Project tutorial by Christian
A very simple but useful device for your lab.
How to make a VU meter with 38 bars per channel on a modified 20x2 VFD display.
This project can identify Basic Logic Gate ICs, viz. NOT, AND, NAND, OR, NOR and XOR using Arduino
Project tutorial by shreyas_arbatti
A useful tool for accurately measuring long distances.
The maximum signal frequency that the oscilloscope can display is 20 kHz, and the maximum input voltage is 5 V without a voltage divider.
Measure and record mains frequency on the SD card along with the timestamp.
Project tutorial by Neeraj Rane
This device serves for accurate measurement of small resistances in the range of 0.1 ohm up to 50 ohms.
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