Content for 16x2 LCD

homemade cycling powermeter

“In my latest project I tried to realise a simple and cheap cycling powermeter based on Arduino. After a month I can say “Yes I can”. There are many commercial products (SRM, SRAM …), but I’m always looking for a …

Intelligent Arduino Uno & Mega Tic Tac Toe (Noughts and Crosses)

“I decided to create the classic game of Noughts and Crosses (or Tic Tac Toe, as it’s also known) on the Arduino after being asked by my daughter if we could build a game together. Here is a video …

PIC16F628A Programmable Digital Timer

“Programmable relays find use in numerous automation applications such as automatic street light control, watering and pump control, HVAC, home automation, power plants automation in industries, etc. This article describes how to build a fully functional, one-channel programmable relay switch …

Capacitance Meter using Arduino

“When we come across circuit boards which are previously designed or we take out one from old TV or computer, in attempt to repair it. And sometimes we need to know the capacitance of particular capacitor in the board to …

Frequency Counter using Arduino

“Almost every electronic hobbyist must have faced a scenario where he or she must measure the frequency of signal generated by a clock or a counter or a timer. We can use oscilloscope to do the job, but not all …

Reverse Geocache Box

“Adafruit customer Kenton Harris used a reverse geocaching box to propose to his girlfriend (she said yes). After the project build and successful proposal, he shared how he built the reverse geocache with us. We thought others may be interested …

Tetris on Arduino + LCD

“I programmed Tetris in C. It runs on an Arduino + LCD. I worked on it for 2 Days. It was a lot of fun.”

Ambilight system for every input connected to your TV

“I have always wanted to add ambilight to my TV. It looks so cool! I finally did and I was not disappointed! I have seen many videos and many tutorials on creating an Ambilight system for your TV but I …

Ember Remote Control

“The buttons on Ember’s front panel leave a lot to be desired like clicky-ness, colors, optional light-upgrade, not having resin on them, etc. Don’t worry you don’t have to feel unfulfilled any longer! If you follow this …

Fish Feeder Sensor Array

“My aquarium is a Juwel Rekord 800 and has a Juwel feeding machine. I bought the machine to be able to feed my fish on regular times when I’m not around. It’s a great machine, but as an …