Keypads are used in all types of devices, including cell phones, fax machines, microwaves, ovens, door locks, etc.
How to make projects more robust and reliable using drivers ULN2803, UDN2981 and PNP transistors.
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...
nRF24L01 radio transceiver provides very efficient and inexpensive way to establish communication between microcontrollers.
by Robin Kanattu Thomas
Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!
by Boian Mitov
Three ways to use Arduino as a USB to TTL converter. Helpful one!
by Patel Darshil
Intro to using FSMs in your IoT projects.
by Gustavo Gonnet
Exploring the signals behind Arduino's Servo library, and characterizing a servo's response to pulse width.
by 3 developers
We train the Intel Arduino 101, with a 128 node hardware neural network chip created by General Vision, to recognize OCR MNIST characters.
by Marcus O'Brien
This tutorial shows how to connect the ENC28J60 to the Arduino, download the library Ethercard and get it to work by loading an ex sketch.
by Kristian Blåsol
Build a treasure chest or use an existing storage box, attach a push-button quadrature rotary encoder (endless spinning dial) and lets go!
A simple and inexpensive solution is to use a 'mobile power bank'
by Giovanni Carrera
In this project, I am going to make a LAN cable tester with just a few basic electronics components. It cost me just a bit over $3.
Learn about photoresistors and the process of characterizing their response to light intensity.
This is a step-by-step tutorial on how to use the RAK811 LoRA node module and send LoRa packets to a gateway.
by Naresh krish
After you read this post, your projects will never run out of power after a power outage.
by Silícios Lab and PCBWay
Have a successful connection between Arduino and Raspberry Pi using I2C Communication Protocol.
by Madhav Reddy
A digital device that visualizes analog signal.
This project requires no wiring and is really cool it is able to decode and encode a language that i made up called HEX and Binary.
by Team Audrino Bro
Other than a Windows PC, USB cable and Arduino, here's a no cost approach to doing graphically rich, interactive demos for the Arduino.
by Philip Ushijima
Connect your IoT device project to mobile phone through notifications with no pain and even no coding! Spend about 10 minutes to set it up!
by Uladzislau Bayouski
I built the right and left mouse buttons with wall switches.
This simple tutorial project shows how to program interrupts in Arduino along with 7-Segment display interfacing.
by Rahul Acharya
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