A compact Raspberry Pi CM4 carrier — Piunora
What is Piunora? Piunora is a development board complete with IO headers, USB ports, and HDMI output. It has an…
DIY Digital Clock Using ATmega328p, RTC DS3231 and Seven Segment Displays
This is an user friendly tiny digital table clock where user can access all basic functions of clocks including setting…
Automatic chess board design
I have a chess computer (not pictured), it’s quite a good way to play longer games at home. It’s hard…
An ESP8266-based WiFi doorbell sends SMS messages
On-line shopping has changed the way goods are acquired. For most packages it is not necessary to be around for…
18650 Battery charger reverse polarity protection
Having many 18650 battery cells to charge, I bought a few dirt cheap TP4056 modules (0.22 EUR per piece) and…
Upgrade Your Headphones by Making it Wireless
Upgrade Your Headphones by Making it Wireless In today’s video I want to show you how to make wireless headphones…
How to solve audio feedback issues when live streaming
Mix minus is an audio production technique that lets you get all of your audio signals where they need to…
AvoRipe – Check your Avocado’s Ripeness
It happened to everyone, you buy an avocado, it’s not ripe yet. A few days pass by, and by the…
Stopwatch and Lap Timer with Arduino
Stopwatches are very useful in several applications and made by yourself using an Arduino, it is really more interesting! This…
Raspberry Pi Hexapod Wooden Robot.
It was a dream then a challenge, then it became a reality. The motivation was to teach to the young…