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“It’s the same story every year. At the horizon is a loved one’s birthday, or an anniversary, and I want to make them something special. Buying something won’t do. Oh no, I have to design and build …
“The project presented here is a photodiode amplifier for visible light. The output voltage of the circuit increases linearly with light intensity. Low-cost BPW34 photodiode is used as a light sensor and OPA381 op-amp as an amplifier. OPA381 is a …
“It is not a mystery that we usually have doubts about the energy consumption records presented by the bills. For this reason I set out to create my own energy meter to be sure of what is really happening, if …
“Electric prism is a USB-powered night light which can be programmed using Arduino development tools. This project was born out of a desire to do a simple circuit board design at home, that I would actually use. My first …
“This is a nodemcu esp8266 microcontroller based gaming console that can play flappy bird and many other games.This machine can also be used to make deauther based on spacehuhns code at https://github.com/SpacehuhnTech/esp8266_deauther . Supplies: The requirements …
“A while back I started a project known as stormduino. Stormduino is essentially an arduino uno R3 clone made in Kicad with some slightly different components. For those of you who don’t know what KiCad is, it’s a …
“I have previously done an 8x16x8 Led Cube Clock controlled by Arduino Mega 2560 and Real Time Clock Module DS3231 more than 2 years ago and until now it still works fine. I also conducted the tests using ESP-01 …
“There are a lot of projects based on WS2812B LED strips out there, but most of these are using homebridge or any other solution - mostly based on MQTT - to communicate with HomeKit. Some projects are using effects via Apple HomeKit …
“This tool signals optically and acoustically in several stages when the minimum safety distance is undershot. The problem One of the most effective ways to prevent the spread of COVID-19 and other viral and cold diseases is to keep …
“DUAL USB HOST/HUB OUTPUT WITH CONSTANT CURRENT LIMIT/PROTECTIONRajkumar Sharma 122 Views moderate Tested This project has 2 outputs that enable us to power up 2 USB devices simultaneously from an input supply of 12-30V DC. The idea of …