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Velleman PS1503SBU Variable 0-30V 3A Bench PSU

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charliex:
I was doing a soak test on a simple circuit with a few mA (didn't register on the current display) and when i came back to it, it'd stopped responding. So of course i started prodding at connections and checking things etc, luckily before ripping it all apart I looked at the PSU display.

Turned out the only thing that didn't survive the soak test was the test bench psu! Instead of 5V it'd gone down to 0.2V

So big thumbs down for that, the 12V was being supplied by another PSU of the same model, at a higher current and it was fine. So probably a manufacturing defect, the board has a couple of large 40/44 pin socketted DIP's and lots of intra/interconnects.

I forget the fundamental who'll police the police.

GeekGirl:
I am not to thrilled with Velleman products, I bought their USB to DMX512 kit, but before I built it I looked at A couple of forums on devices to be used with various PC based lighting programs.

I found out that this device does not do well at high channel counts (the definition of high was about 64 channels out of a possible 512 lol)

I only bought the kit as I was brousing Jaycar lol and all there kits are Velleman.

I am never going to buy a kit from Velleman again.

I wish DSE and Altronics still did lots of kits, but I know that this is due to lots of up and coming electronics enthusiasts are not interested in kits.

Regards,

Kat.

charliex:
Agreed, it's radio shack/tandy level. Fortunately that's also a good reason to use it for soak testing, since it tests the what if factor !

If it survives velleman PSU testing, it'll survive anything ;)

Simon:
unfortunately computers have taken over the hobby window, few people are into electronics like they used to be. I used to buy an electronics magazine in Italy which year after year got worse, putting in kits with virtually no explanation instead of inhouse designs and ultmately moving to computers, naturally i stopped buying it. I did become quite enthusiastic about computers myself, got online and plugged into electronics forums, learnt lots got enthusiastic about electronics again and now I'm doing pics etc.

I started by going to maplin's only to find what a rip off it is, stuff is priced way over the odds or it was just never made to actually work, i bought a kit from them and it had a slip of paper in it warning about an error some idiot had made in the parts liost on two caps, the kit came with no explanation as to how it works but was made by a company that provides educational material !

These days hobbies are not fashionable and people (especially in england) are very very lazy and electronics is too much for the poor dears brains to handle

Zero999:
COmputers are a hobby for some: beefing up hardware, water cooling, overclocking, programming, hacking (heavilly customising thing, not compromising other systems) and playing around with operating systems i.e. Linux, BSD and React OS.

Electronics isn't what it used to be and will probably never recover as a hobby because it's so easy to get stuff made in China but things such as MCUs, hacking appliances and interfacing with computers will always be popular.

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