Content for Perfboard

WiFi Controlled LED Strip Matrix Display Clock Light

“Programmable LED strips, e.g. based on WS2812, are fascinating. Applications are manifold and you rapidly can get impressive results. And somehow building clocks seem to be another domain which I think about a lot. Starting with some experience in …

How to make Attiny based mini game console

“ello friends in this post we’ll se how easily we can build a Attiny based mini game console. In this mini game console you can play some retro games, which is obviously not very high tech but yes you …

Practical PIR for Home Use

“Like many of you out there working with home automation projects, I was looking to build a functional PIR sensor for automating some corner turns in my own home. Although light switch PIR sensors would have been optimal, you can …

CD4017 Based Multi-functional Bicycle Backlight

“This circuit is made by applying very common CD4017 LED circuit so called as LED chaser. But it can support diverse LED blinking methods by plugging control cables as different manners. Maybe it can be utilized as bicycle backlight or …

Alexa IoT TV-Controller ESP8266

“Recently I bought an Amazon Echo Dot during the Amazon Prime day for ~20€. These small voice assistants are cheap and great for DIY Home Automation if you know what is possible and how to build smart devices. I have …

4-20ma Generator/Tester Using Arduino

“4-20mA generators are available on ebay, but I for one love the DIY part of things and using parts I have laying around. I wanted to test our PLC’s analog inputs to verify our scada readings and to test …

Night Light Motion & Darkness Sensing - No Micro

“This instructable is about preventing you from stubbing your toe when walking through a dark room. You could say it is for your own safety if you get up at night and try to reach the door safely. Of course …

Raspberry Pi Shutdown Indicator

“It’s very simple circuit for showing operational status of raspberry pi (Hereinafter as RPI). Maybe it’s useful when you running RPI as headless (without monitor). Sometimes I’m concerned when is right time for completely power-off after shutdown …

Project  Binary DVM

Binary DVM

“Binary displays are very popular for clocks so it looked like there a gap waiting to be filled in the measurement area with an instrument that displayed its results in a Binary format. As result I decided that a DVM …