MCP4725 I2C DAC Module – Quick Entry
For a while now, I’ve had need of a simple digital to analog converter circuit to be able to work with an Arduino microcontroller. To this end, I had a good search around and eventually […]
Philips Astra Spot Review & Teardown
For a long time I’ve been wanting to use elegant spotlights in my workshop, and although I have a few issues to take care of, like a simple model and a way to install it, […]
Coreless Motor Guide
If you’re in a plan to make a minuscule robot, you’ll then need to learn more about a coreless motor. I came across it as a pretty great solution for an upcoming healthcare electronics project. […]
L293D Arduino Motor Driver Shield – A Quick Walk
On COVID-19 lockdown days, I came across several motor driver modules in my scrap box in the attic – surprisingly most of them are unused Chinese modules. The L293 Arduino Motor Driver Shield, in particular, […]
Arduino & Advanced 16-bit PWM
Hi there! Last week I finally managed to get an Arduino delivering a 16-bit PWM (pulse width modulation) output from a nifty piece of code. Is the experiment finished? Of course not. Anyway, in this […]
Simple Solar Power Box
This article covers a simple version of my portable solar power box. In use, it worked flawlessly for me. Although this is a simple version, I am sure someone will be able to improve on […]
LED Track Light & Spotlight – DIY Ideas
Building track lights and spotlights seems to be an obsession of mine. I built my first one in my school days or so, and this time my project thought is on simple power LED light […]
Poor man’s Over-Current Detector
Presented here is the basic circuit of an over-current detector built around a handful of easily available and inexpensive electronics components. This simple circuit for DC devices wakes up when the connected output load draws […]
Sewing Machine Light v1.0
Sewing is a complex art that requires a lot of skill, precision, and patience. So, it’s critical to be able to see what’s doing, and a well-lit needle zone is very essential. Some high-end sewing […]
Fishing Light Attractor – DIY
Using light is a common way to trap fish in fishery industry. Attracting fish by using artificial light source is to induce them to form a large shoal at night taking advantage of fish’s photo […]