Majenko Technologies, Matt Jenkins Serial Test Sketch This is a little sketch that I find useful for testing the serial communication on an Arduino-like board. It not only sends data of its own accord ( millis() every second), but also echoes back what i... Aug 2, 2018
Majenko Technologies, Matt Jenkins Hacking the SWA1 Smart WiFi Power Switch The SWA1 Smart WiFi sockets are great cheap WiFi controlled sockets that you can get on Amazon. Not only are they very convenient, but they are eminently hackable. Hackable to the extreme. Inside on... Jul 22, 2018
Majenko Technologies, Matt Jenkins Converting a Commodore C16 Keyboard to USB Dave "The 8-Bit Guy" Murray recently bought a whole batch of Commodore Vic 20 motherboards and C16 keyboards cheap. Don't ask why. However, he's selling them off cheap [1] , so I decided to snap up on... Jul 12, 2018
Majenko Technologies, Matt Jenkins Arrays? Pointers? What the C? Arrays and pointers are always a problem for newcommers to C and C++ programmers. Especially if they have come from higher level, more "dumbed down" languages like Java or Basic. You may think that a... Jul 2, 2018
Majenko Technologies, Matt Jenkins Expected } at end of input error A common problem, and one that can cause a new programmer to pull their hair out. However, it's a problem that always has a simple solution, and with the right tricks it's also easy to find where the... Apr 26, 2018
Majenko Technologies, Matt Jenkins Things to do with a chipKIT™ Lenny and a QuickIO. No. 2: Virtual Mouse Number two in my series of what to do with a Lenny [1] and a QuickIO [2] . How about a mouse? Yeah, a mouse. Honest :) Well, maybe not an actual mouse, but maybe make it control the mouse pointer in... Feb 23, 2018
Majenko Technologies, Matt Jenkins Things to do with a chipKIT™ Lenny and a QuickIO. No. 1: Autoclicker This is the first part of a new series entitled "Things to do with a chipKIT™ Lenny [1] and a QuickIO [2] ". In it, I'm going to be exploring some of the cool things you could do in just a matter of s... Feb 20, 2018
Majenko Technologies, Matt Jenkins Vacuum Fluorescent Displays on Arduino Vacuum Fluorescent Displays are probably one of the coolest displays of all time. Certainly one of the most popular of recent history. Developed in 1959 by Philips they have endured right through to m... Dec 23, 2017
Majenko Technologies, Matt Jenkins Configuring Yùn WiFi It's not always obvious how to configure the WiFi on the Arduino Yùn properly, since most of the good settings are hidden away in the "advanced" interface. So I'll do what I can to expose them to you.... Jun 2, 2017
Majenko Technologies, Matt Jenkins Adding An OLED To My Computer As part of my work I end up with hundreds of small TFT and OLED displays scattered around doing nothing. One of them, the PG25664CG OLED screen (16 shades of green) I figured would be about the same s... May 19, 2017
Majenko Technologies, Matt Jenkins Splitting Up Text in C A common question I often find is: How can I split this incoming data into parts? It's especially asked in conjunction with reading data through serial. So I thought I'd introduce you to two complet... Apr 8, 2017
Majenko Technologies, Matt Jenkins What Exactly is a GPIO Pin? I was hoping to make this the topic of my first ever video tutorial, but I still haven't got round to cleaning my desk of all the junk and setting up a holder for my phone to use as a camera. Plus I a... Mar 20, 2017