Knowledge should be uncompromisingly sought after and freely given away.

Tag AVR

Essential Reading: AVR Power Conservation for Battery-Powered Projects

I’ve had many a project lately that needed to use batteries rather than being powered from the mains. I’ve been reading lots lately about saving power in AVR chips and general concepts for power conservation in my projects. It’s made… Continue Reading →

Build an ATTiny13A Halloween Jack-O-Lantern with Realistic Fire LEDs

So I was waiting for this time of year when I first built my “Fake-fire LED” boards last year and now it’s finally here! Battery Life and Performance I’ve been running this jack-o-lantern for about 20 days now (this board… Continue Reading →

DIY IKEA Lampan RGB LED Mood Light with ATTiny2313 and PWM Control

The Inspiration A few months ago, I saw this blog and video. The gentleman had hacked a Lampan light from IKEA with LEDs, I was immediately enamored with the idea of building it and giving a few of them to… Continue Reading →

DIY Nursery Temperature Monitor with RGB LED Indicator and ATTiny45

Let me start by saying I found out a few weeks ago that I’m going to be a father. This is my first child and as you can imagine I’m filled with excitement and nervous energy. Both my wife and I both agreed that we wouldn’t start actual preparations for the coming baby until the 12th week to ensure all was well (1 in 4 pregnancies end in miscarriage). I just couldn’t sit still and wait, I started reading about what to expect, how to care for a newborn, and so forth.

It was while I was reading about SIDS (sudden infant death syndrome) that I saw a few articles discussing the proper temperature for a nursery to help prevent the SIDS. The articles all agreed that cooler was better, ideally between 64 and 74 degrees Fahrenheit.

ATTiny13A Fake Fire LED PCB: Battery-Powered Candle Flicker Effect

A while back I wrote about a neat project that I had read about where a couple of LEDs and an ATTINY13 had been used to simulate the flicker flame of a candle or fire. I built a prototype and… Continue Reading →

AVR Power Saving Techniques: Using the Watchdog Timer for Battery-Powered Projects

I’ve been consumed lately with saving power with my designs and I decided to focus my obsession on my new “FakeFireLEDDriver” design I got inspired to build from this example. I knew that I wanted to hand out Halloween gifts,… Continue Reading →

« Older posts

© 2026 Lifelong Learning — Powered by WordPress

Theme by Anders NorenUp ↑