Majenko Technologies, Matt Jenkins USB 3.0 Blues? So I recently wanted to capture the video output from an HDMI device. For that I thought I'd tap up eBay and see what was cheap from China at the moment. I found a seller that was selling two differen... Oct 6, 2021
Majenko Technologies, Matt Jenkins Faulty Chinese PowerBank PCBs I have just taken delivery of a batch of USB C 2A powerbank charger + boost circuits from a seller on AliExpress. China churns out millions of these circuits every year, so you'd think they'd be good ... Sep 22, 2021
Majenko Technologies, Matt Jenkins OS X: Why X? *Ok, let me start out by saying this is going to be a page filled with supposition, guess work and, above all, plenty of cynicism. Don't believe anything you read here, it is only the biased and cynic... Jul 5, 2021
Majenko Technologies, Matt Jenkins New Website So... This is our new website. Whaddayathink? Isn't it spangly and posh? There's quite a few things from the old website that aren't here now, but to be honest who really needed them? If you had an ac... Jun 28, 2021
Majenko Technologies, Matt Jenkins Reprogramming a new uPR v4 board (with sound) using PICkit2 in Windows Reprogramming one of the newer redesigned Pulse Rifle boards (with sound version only, mind) with a new firmware is pretty simple in Windows. Step one is to install the right software. You need to fi... Jun 28, 2021
Majenko Technologies, Matt Jenkins Going Virtual I recently decided to rebuild my entire computer system and go to a fully virtualized arrangement, including GPU passthrough, etc.. And what a fight it was. After a lot of googling and finding out dif... May 30, 2021
Majenko Technologies, Matt Jenkins It lives! The new pulse rifle design is alive! We have success! The new design works, and works /perfectly/. Now it's all hands to the pump fulfilling the back-orders.... May 14, 2021
Majenko Technologies, Matt Jenkins Pulse Rifle: One step closer Great news: the new test boards for my even smaller pulse rifle boards have now arrived. I'm just waiting on a couple of components to arrive (should be here in the next day or so), and then I can bui... May 10, 2021
Majenko Technologies, Matt Jenkins New pulse rifle design update 1 So the new boards have been made, and are on their way over from China. They should be with me within about a week, at which point it'll be a case of building one, then creating new firmware for it, t... Apr 29, 2021
Majenko Technologies, Matt Jenkins Pesky supply chains So one of the main chips that I use all the time on many of my products has suddenly vanished off the shelves. Last week I bought some and there were plenty around. This week I go to buy some and /bam... Apr 21, 2021
Majenko Technologies, Matt Jenkins Hacking the Tenma 72-14110 Function/Arbitrary Waveform Generator USB Protocol I recently added a Tenma 72-14110 signal generator to my array of lab equipment. This handy waveform generator has quite a nice array of functions, such as the normal waveform generators, up to 5MHz, ... Feb 6, 2021
Majenko Technologies, Matt Jenkins How I cross-compile a fat binary cross-compiler for OS X Big Sur I have been tasked with creating a new compiler for chipKIT. One of the big things this compiler must do is work on new versions of OS X. That means Big Sur. And that means supporting both /x86_64/ an... Jan 8, 2021