The dot matrix clock was built without the use of a regular Arduino board but uses the ATmega168 with Arduino bootloader and assembled on a breadboard. An RTC clock compensated by temperature is used ...

The gadget is built around two main circuit boards, the LED Matrix and the Host master board.In a previous project, I shared the making details of an 8x8 LED matrix. For this project, I expanded the ...

A RTC DS3231 can be attached for an accurate time when no WIFI is available. A LDR controls the light intensity. In the menu that can be accessed via a serial terminal, Bluetooth or a Web page many ...

When we last heard from [lixielabs] he was building Nixie tube replacements out of etched acrylic and LEDs. Well he’s moved forward a few decades to bring us the Pixie, a chainable, addressable ...

After I finished the morse code generator I came to the conclusion something important was missing. But what??? Looking at my desk, in our kitchen, in our livingroom it became clear: almost all ...