A voltage to frequency converter can realize an opto-isolated analog input for Arduino or other microcontroller systems.
Project tutorial by Giovanni Carrera
A DAC is a circuit that allows you to translate numeric values into analog signals.
Project showcase by Arduino_Scuola
Tutorial of Shift Register 74HC595, drivers like ULN2803, UDN2981, transistor BC327, making your designs more robust and reliable!
Learn about Serial communication between Arduino. Transmit data between two Arduino using RX/TX lines.
Project tutorial by Harsh Mangukiya
Things you should know using ESP8266 WiFi module for its safety and easiness as it's very delicate module to use.
by Patel Darshil
Keypads are used in all types of devices, including cell phones, fax machines, microwaves, ovens, door locks, etc.
Step by step approach is followed so that any hobbyist or design engineer can have a better understanding of the basic concepts.
Project showcase by Shailza
Learn how to submit your Arduino-based project. It may even get featured on the Arduino social channels!
Power management for portable Arduino projects.
Project tutorial by craic
A cheap (less than $20) signal generator that can produce a sine wave, up to 70MHz (Though practically 20-30MHz).
Project tutorial by Umar Sear
How long have we been pressing this button? (Interruptions and EEPROM)
Project tutorial by javier muñoz sáez
Did you ever wonder what happens between the time you click on "Upload" and your sketch starts running? Here's how you can find out...
Develop a strong magnetic stirrer for the price of an entry level magnetic stirrer.
Project showcase by jdale18
Quality microcentrifuges are generally too expensive for most people to afford. This project aims to provide a low-cost alternative.
Project in progress by Kemal Ficici
A RFID module connected to two LEDs.
Project showcase by Tech with Matthew
Back up a file stored on an SD card to Dropbox automatically.
Project tutorial by Andrei Florian
Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!
by Boian Mitov
I really want to make a Raspberry Pi laptop but just can't find the right size trackpad so in this project we will be salvaging an old one.
Project tutorial by Dante Roumega
Recently, a friend of mine had an issue with his car’s ECU and needed a frequency counting device.
Project in progress by jasir
This article will show how to communicate between Arduino and Visual Studio through COM (UART) port.
Project tutorial by whitebank
7 awesome cases for 7 different circuito.io-supported components. It's 3D time!
Project in progress by circuito.io team
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