Rotary Encoder

ROTARY ENCODER is a device used for knowing the axial movement and its direction. Although they are available in various types here we are going to discuss about simple contact type encoder module.

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Medicine Reminder and Vending Machine

“A medicine vending machine to store and give doses via medicine bottles and alert patients at prescribed times. There is no cure for CoViD-19 yet, although patients are given some medicines by nurses and doctors to ease the pain,increase …

Power Timer With Arduino and Rotary Encoder

“This Power Timer is based on the timer presented at: https://www.instructables.com/id/Timer-With-Arduin… A power module and an SSR (solid state relay) were attached to it. Power loads of up to 1KW can be operated and with …

Digital IO library

“This goal of this Digital I/O library is to ease the use of simple sensors and devices attached to Digital I/O pins. If you like this library please star or comment on github to pat me in the …

Programmable Keypad

“In this project I’ll show how to make relatively simple and inexpensive programmable keypad for mapping your most used keyboard shortcuts, applications and more. This keypad is detected as keyboard in all major OS, no additional drivers needed. Supplies …

Timer With Arduino and Rotary Encoder

“The timer is a tool often used in both industrial and household activities. This assembly is cheap and easy to make. It is also very versatile, being able to load a program chosen according to needs. There are several programs …

cVert - A truly random MIDI controller

“cVert is the result of an idea I’ve been kicking around for years, and took a few months of work to bring to fruition. The idea was to use a Geiger counter as a true random number generator to …

Play Virtual Connect Four on an LED Matrix

“Use a 64x64 LED matrix, along with a couple of encoders and a button, to play Connect Four against an opponent in real-time. Building upon my previous project, the Pix-A-Sketch, I created a way to play a game of connect …

Digital Controlled Linear Power Supply

“In myteenage years, about 40 years ago, I created a dual linear power supply. I got the schematic diagram from a magazine called ‘Elektuur’, nowadays called ‘Elektor’ in The Netherlands. This power supply used one potentiometer for the voltage adjustment …

DIY Function Generator With STC MCU Easily

“This is a Function Generator made with STC MCU. Need only several components and the circuit is simple. Specification Output: Single Channel Square Waveform Frequency: 1Hz~2MHz Sine Waveform Frequency: 1Hz~10kHz Amplitude: VCC, about 5V Load ability: Not available …

PasswordPump v2.0!

“As promised, this is v2.0 of the PasswordPump, a USB device that manages credentials for up to 250 accounts. Credentials (account names, usernames, passwords, an old password, and categories) are stored ONLY on the device itself, on two removable …