In this project, I'll make a small circuit capable of blinking lights, on its output we get a digital signal that we can use ...

Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

Android: Last week, we discussed Circuit Playground for iOS, a comprehensive electronics reference manual. Android users can get in on the action with ElectroDroid, a collection of electronic ...

Meshtastic, an open-source firmware for long-range mesh networking, offers an elegant solution. Using LoRa radios allows ...

Today, phone-connected front-door cameras and comms systems are ubiquitous. Here's a DIY smart doorbell for engineers and ...

Ever wanted to move Pac-Man using pencil drawings, make music with bananas or type an email with alphabet soup? Now you can thanks to Makey Makey, a simple circuit board that turns almost any object ...

The heart of this diy metal detector circuit is the CS209A IC. The metal detector is built with one 100µH coil that has 40 mm in diameter and is made of 50 turns/0.4 mm wire. CS209A has one oscillator ...

Here’s something for the inner romantics and DIY circuit board assemblers in all of us. Yes, I’m talking to you, my friend; soldering iron in one hand, PCB board in the other, pining to tell your ...