Other
“Real time control of a many solenoids. As I designed an self-designed PCB(MCP23017 IO Expander for 16 solenoids on 1 board) to control a large number of solenoids and built an enclosure to house 100(10x10) solenoids. Then I …
“In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or an Arduino Uno. I love music, and I also love electronics. For years, I’ve been building musical electronic devices, mostly …
“A completely redesigned MCP23017 IO expander breakout, easy to use and breadboard friendly. New style MCP23017 Breakout – Top view There will not be a lot of obvious differences at first, but if we look closely, here are the changes:– In …
“The Badger 2040 keypad is an inexpensive programmable USB macro keypad with keymap display. The firmware is based on CircuitPython and can be easily extended by yourself. If you just want to customize key bindings, you don’t even need …
“This is my attempt at a chording keyboard. I got inspired by gBoards’ Ginny keyboard but felt like there’s some room for improvements. Especially uncomfortable was using mouse with it. Thus I have decided to attach a trackball. Now …
““Glowing Air-Bubble Clock in Water” displays the time and some graphics by illuminated air-bubbles in water. - font: 8 bits width - display area: roughly 200mm height x 90mm width. - The viscosity of water is low and the bubbles rise too fast …
“The Hydrosys4 is an open source project which aims to provide automation tools for gardeners and farmers. It is specifically designed for irrigation and greenhouse automation. The system is based on the very popular and inexpensive raspberry PI computer board …
“Since getting an Arduino starter kit I was wondering what to make of all those fancy buttons, shiny LEDs, touchscreen LCD displays… I was thinking about weather station, but I was told that in the maker’s world, weather station …
“A Hand-crafted 8x8 LED matrix driven on Arduino using the MCP23017 GPIO expander and controlled via Bluetooth from an Android device. The internet is littered with tutorials teaching how to use dot matrices or build them, so why add-in another …
