Octopus Curve Tracer
Sometimes when we troubleshoot circuits, we have to remove components from the PCB for testing. But if you own an oscilloscope (sadly, I don’t), you could test the parts on the PCB w...
Hello,
I’m Anuradha Gunawardhana
I'm a Designer, Maker, and Electronics enthusiast who likes to build things and document them.
Latest Posts
Backup Battery Pack
In this project, I’ve built a Li-ion battery pack that is capable of charging directly from a solar panel. The battery pack has 75 cells in a 3-cell configuration which results in a ...
Spot Welder
When connecting 18650 Li-ion cells to build battery packs, soldering conductors directly to the cells is a bad idea. The best way to connect batteries is to spot weld metal conductor...
WiFi Switch
This wall outlet can turn On/Off any device plugged into it. It uses an ESP8266-01 module to connect to the home network over WiFi. Recently I wanted to remotely turn on/off a devic...
Simple Security System
Nowadays, anyone with a basic understanding of electronics can build their security systems with the help of microcontrollers like Arduino development boards. This project is my take...