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“The Sweeperino a very useful Arduino based test instrument. It is the following: A very stable, low noise signal generator from 4 MHz to 160 MHz without any spurs A high precision power meter with 90 db with 0.2db …

“I remember playing a paper and pencil version of the Battleship Game as a kid. In fact, it has been around since about World War 1. I also had an electronic variant in the early 1960s called Sonar Sub Hunt …

“A motion-activated raffle device that can draw numbers or names. Users can specify the range of numbers or the list of names through WiFi. n class, I use to raffle the names of students and the “lucky ones” get to …

“You play chess?Probably.If you are seen this instructable and you never play a game of chess I think it some strange .OK , you can never played a game of chess and you are trying to learn ,in first …

“In this project, I go through the steps on how to set up a Raspberry Pi LCD 16X2 to display messages from the Pi Tkinter GUI.”

“One day I was wondering: how much electricity is flowing through my apartment right now? Looking online I found various sensor devices like Smappee and Sense, but those are relatively expensive and even require a subscription. So I decided to …

“I recently converted a mountain bike to an electric bike. The conversion went relatively smoothly, so upon completing the project, I hopped on and set out for a shakedown cruise. I kept my eye on the battery charge indicator, not …

“JumpMan is very simple on Arduino. The game uses only two “jump” and “reset” buttons. The game uses a display HD44780 2x16 connected via i2c. In the game, we skip a man over the trees. The speed of the game …

“The ESP32s, are a series of inexpensive microcontrollers, introduced in the last quarter of 2016. They are powerful systems on a chip (SoC) and can replace the ESP2866, and perhaps one might say even the Arduino UNO. Athough, clearly they …

“Which uses more water - a bath or a shower? I was recently thinking about this question, and I realized that I don’t actually know how much water is used when I shower. I know when I’m in the …