Majenko Technologies, Matt Jenkins Power LED Driver Board To add to the new Pulse Rifle ecosystem I have designed (and ordered from China) a tiny Power LED driver board. This will take the firing pulse output from the pulse rifle or smart gun boards (EX conn... Jun 9, 2020
Majenko Technologies, Matt Jenkins M51 Counter Assuming my new M41A counter with sound works properly when the prototype boards arrive from China (they have been made and dispatched, I'm just waiting for them to arrive then I can start building an... Jun 8, 2020
Majenko Technologies, Matt Jenkins On the drawing board: Arrduino Prototype PLUS+ I am just finishing off a new design for a better prototyping system for the Arduino. You've designed your project, and got it all wired up on a breadboard. You'd like to make it a little more perman... Jun 1, 2020
Majenko Technologies, Matt Jenkins Pulse Rifle Counter with Sound I have been spending the past couple of days prototyping up a new version of my Micro Pulse Rifle (uPR) counter board. This one has sound. I had a brainwave the other day. Instead of designing a two-... May 30, 2020
Majenko Technologies, Matt Jenkins My Pi 4 Experiences The Pi 4 has been released, found wanting, redesigned, and re-released (in typical Raspberry fashion). And finally I have my hands on one. So, do I think it's any good? Well, yes and no. **First imp... Oct 5, 2019
Majenko Technologies, Matt Jenkins Another Easy ESP8266 Hack - LED Strip Driver Today's ESP8266 hack is another rather easy one. This time it's a very cheap LED RGB strip driver from Amazon. Well, I say ESP8266. In fact this one uses the ESP8285, which is basically an ESP8266 wit... Jul 14, 2019
Majenko Technologies, Matt Jenkins What is it with the ESP8266? The ESP8266 is everywhere now. Whenever you buy some cheap Chinese (or even expensive non-Chinese) IoT device, like a WiFi power switch, a WiFi connected lightbulb, or whatever, you can pretty much gu... Jul 13, 2019
Majenko Technologies, Matt Jenkins More ESP8266 Hacking - LOHAS LED Yes, I have hacked another ESP8266-based device. This time it's the LOHAS WiFi Smart LED lightbulb. These are really quite nice bulbs, and available on Amazon pretty cheaply. Internally there is your... Jul 12, 2019
Majenko Technologies, Matt Jenkins Common Arduino Errors and Warnings This is my attempt to collate and explain the most common errors and warnings you get when compiling code for the Arduino and Arduino-like boards. *Errors* Expected primary expression before '.' toke... Jun 20, 2019
Majenko Technologies, Matt Jenkins Windows versions ranked by usability This is my list of windows versions that I rank by my opinion of their usability and abilities "of their time". That is, not ranked by comparing them to current standards, but comparing them purely by... Jan 4, 2019
Majenko Technologies, Matt Jenkins Free Quality Wire No, I'm not offering you free wire. Just telling you a good source for free wire. With the whole world going HDMI these days, there are plenty of obsolete SCART cables around. You probably have some ... Aug 21, 2018
Majenko Technologies, Matt Jenkins Filtering WiFi Noise I recently needed to connect an ESP8266 board up to an audio control and processing board I was working on. And as you can guess the noise was horrendous. Kind of like when you leave your mobile phone... Aug 5, 2018
