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“Rev 2.0 of the RP2040 Joystick Mouse, as well as the code that makes it work Over the last few months, I have been using the initial revision of this project on almost a daily basis. It has come …
“A quick MCP23008 Breakout to be used during prototyping. I designed this breakout to assist me during prototyping my next version of the “RP2040 Emergency Mouse“. In that project, I used the SEEED Studio Xiao RP2040, along with a few …
“With this small, palm-sized device, it is possible to remote control your PC or your Smartphone. Or to control your PC and your Smartphone at the same time. And it is freely programmable. You can write programs like: Login to …
“Hi everyone. If you’re like me you, probably have a bunch of spare sensors lying around either from incomplete projects, or that you bought on a whim for some reason or another. I was inspired by Patrick Panikulam’s …
“The Chernobyl Dice is a quantum random number generator [0] that uses nuclear decays from a weakly radioactive sample as a source of entropy. It consists of four primary components: - An Arduino Nano microcontroller - A Geiger counter - Six uranium glass …
“Home hidroneumatic, pumps and valves controlled by ESP8266 using MQTT, Html Web App and Cayenne. Overview Motivated by the constant lack of water supply in my city I have been forced to install a water tank that feeds a hidroneumatic …
“Battery profiler - my recent Arduino project - needed to store large amounts of data in some kind of flash memory controlled by Arduino. In the past, for this I used serial (SPI) chip W25Q80BV from Winbond that came in a breadboard-friendly …
“One of my main goals with this design is to archieve very low standby current, somewhere in the tens of microamps. The basis for this is a low-power buck on the basis of a Texas TPS62120 where the microcontroller can …
“Everyone loves a good sunny day. And if there are some cool breeze and good music, then that’s the best feeling in the world. But when the sun goes down, we all hate it when we have to go …