Orders now closed!
Mar 22 2014
N|Watch – DIY Wristwatch Kit
Sep 25 2013
DIY Digital Wristwatch
Introduction The main incentive behind this project was to see how much I could cram, in terms of both hardware and software, into a wristwatch-like device that is no larger than the display itself. An OLED display was chosen for being only 1.5mm thick and not requiring a backlight (each pixel produces its own light), …
Aug 25 2013
AVR USB RGB LED Controller
While working on an update for my CPU Usage LEDs project I thought why not just make it into a universal RGB LED controller? The CPU Usage LEDs controller took a value between 0 and 255, worked out what colour it should be and then fade to that colour. This was very limiting; changing what …
Aug 17 2013
Bluetooth Net Monitor v2
This post only goes over the new stuff in the network monitor, I’d recommend having a look at the original post first. New PCB design The new PCB is now an almost single board design, just a separate board for the USB connector. The old monitor had a small main board which connected to the …
May 23 2013
A Lithium Battery Charger with Load Sharing
You may have found that charging your project’s lithium battery while at the same time trying to use your circuit didn’t quite workout, with problems like the circuit not turning on and the battery never finish charging. Even an LED can cause the battery to never finish charging. This article goes through creating a battery …
Apr 16 2013
IC samples
Everyone likes free stuff. I thought I’d share my recent success of getting a few free chip samples:
Feb 17 2013
AVRDUDESS – A GUI for AVRDUDE
Feb 10 2013
Millisecond tracking library for AVR
This is a lightweight library for keeping track of time to millisecond accuracy, the data type for storing milliseconds can be easily configured, it supports ‘unsigned long long’ which can keep track of time for 584.9 million years before overflowing! Any clock frequency up to 20MHz can be used, most of the commonly used frequencies …
Jan 09 2013
Bluetooth Net Monitor
A newer version of the Bluetooth network monitor can be read about here, but I’d recommend carrying on reading this post first. Whenever I want to see why a download is going a little slow or getting lag on an online game I’d have to log in to my routers web page or SSH in …
Jan 06 2013
Getting Bluetooth modules talking to each other
Before we start, please note that most Apple devices don’t support the virtual serial link profile that these modules use. A really easy method of making your projects wireless is to use serial Bluetooth modules, these modules take standard serial data and transparently transmit it via Bluetooth to another connected Bluetooth module, no extra code …
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