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I'd be happy to answer any questions you might have.Ĭlick to expand.Like most things, it depends. Since Willem programmers are hobbyist level, they assume you know something about programming EPROMs so you can do it reliably. All of the components needed should be readily available most of what you need is on the programmer you purchased. I sold Willem's programmers in the US and have small number of bare boards I'd sell at cost if you're interested in assembling your own. Unfortunately it's no longer available commercially. The only Willem variant I would consider buying is the 4.1 which has a relay to switch VCC so it can handle NMOS EPROMs (2716, 2732, etc) and higher capacity CMOS EPROMs (larger than 1Mb). That means they struggle to produce VPP > 12.5V, some even struggle to provide 12.5V. Just understand that all PCB3 variants use a step up regulator to generate VPP and they opt for an inexpensive molded inductor that saturates at a low current. You get the picture.Click to expand.If you're going to program enough EPROMs to justify not having someone else program them for you and you want to stay with an inexpensive Willem based programmer, any PCB3 variant, ATH3.1, or Willem 4.1 can be made to work. One day it works on one PC the next it doesn't but now works on the notebook wich it didn't like previously. I've spent dozens of hours installing and deinstalling the software. It is totally unpredictable if it will work or not. The main problem I've had was getting the right version of the software and getting their USB driver to work. The only other commercially available would've cost a few hundred Euros and this one cost abou 80 EUR incl. I've bought it because I needed to program a particular NXP micro and didn't know anything about microcontrollers at the time. This peace of s*it must be one of the worst pieces of code ever produced and the support is non existant. The snag with this programmer is the software.
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It probably does program all the devices the manufacturer claims, I had no problems there so far. I've got the Top2005 version and it is kind of like a niceish device but really rather crap. Well, they claim to be able to programm a lot of devices, like a few hundreds or so. There are these chinese universal programmers on ebay, usually called TOP Programmer.
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