Electronics | Raynerd.co.uk

LightWaveRF JSJS LW574 – Building a Common Anode to Common Cathode RGB LED Driver

by Christopher Raynerd | Mar 29, 2016 | Electronics | 0

Common Anode + R G B light strips are common and cheap on eBay and common Cathode strips ( –...

3 Element Yagi for 2m VHF

by Christopher Raynerd | Apr 28, 2010 | Electronics | 4

After passing my Foundation Licence only a few weeks ago, I wanted to work SSB on 2m and my roof...

Calling ‘CQ’ …The Knole Direct Conversion Receiver

by Christopher Raynerd | Mar 31, 2010 | Electronics | 3

I ordered the Knole DC RX a couple of week back from...

First Homemade PCB – Binary Dice

by Christopher Raynerd | Mar 25, 2010 | Electronics | 1

I had an interesting evening last night. I gave this another go but using my own art work for a...

PCB UV LED Exposure Unit

by Christopher Raynerd | Mar 20, 2010 | Electronics | 2

I`ve been working on this for weeks now, much longer than hoped but I finally got my first PCB...

PIC Binary Dice – 12F675

by Christopher Raynerd | Feb 25, 2010 | Electronics | 0

Simple MikroC code for a binary dice on a 12F675. I was looking for a nice idea for a small project group of students rather than just flashing leds. No embellishment, just a straight forward code! While no button is pressed it...

ATX Variable supply circuit.

by Christopher Raynerd | Feb 18, 2010 | Electronics | 0

A continuation of the ATX PSU conversion, I wanted to add a fully variable output and followed...

ATX PC Power Supply to Electronics Variable Supply

by Christopher Raynerd | Feb 17, 2010 | Electronics | 1

I was in need of a 5v power supply for my microcontroller circuits as the supply I have was not working with them for some reason and I was not happy keep using batteries. There are many write-ups online so if your interested,...

Binary Clock – circuit part-1

by Christopher Raynerd | Feb 15, 2010 | Electronics | 0

This is Part 1, the start of the circuit for the clock case. Not sure how it will be enclosed yet, infact there are quite a few unknowns as I am also unclear how I`m going to connect the 25 led anode pins to the PIC and make it...