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madworm

359 orders since Feb 10, 2013

Finsing, Bayern, Germany

Ships from Germany.

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Due to being rather busy with "life" as such, I can only ship once a week.

Overall Rating:

Review Breakdown

5
5 4
8 3
0 2
0 1
0

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Average Ratings

Product: (4.69)

Documentation: (4.38)

Shipping: (4.92)

Communication: (4.92)

All Reviews

Douglas | Dec. 30, 2017

Great idea and implementation. Somewhat fiddly construction.

For Tiny AVR-ISP pogo-pin programming adapter

This is a great alternative to more expensive ISP solutions that take up more space on your board. Clean, well-thought-out design and seems sturdy. Easy to use, though it does not clip on - you must hold it in place. Assembly instructions could be more clear and easier to find. I had to look in several places to find the correct orientation for the 6-pin header. The link printed on the board does not take you directly to the page you need. But that is a minor complaint; the product itself could hardly be better.

Paul | June 6, 2016

Handy for small AVR layouts, if a little tricky to solder

For Tiny AVR-ISP pogo-pin programming adapter

Fully-assembled, this is a lovely little product. Gives you a half-pitch (50mil) pin spacing 2x3 pogo bed, to attach the usual ISP signals to. This is lovely for getting a really small board layout - I once managed to squeeze the required bare pads onto the underside of the board directly beneath an ATtiny84 chip, thus wasting zero extra board space. Being a straight-through adapter, it doesn't really matter which way round you mount it on your 6way ribbon cable, just make sure to align it on the target board in the same orientation.

My advice would be to ensure you're very careful soldering it up. These tiny little pogo pins can be very delicate, and it takes a while to get all the pins aligned precisely parallel to ensure no shorting out between them. Also when designing a board with bare pads on it, make sure to place at least one via drillhole in the centre of a pad, to give the points of the pogo pins something to grip onto so the whole thing doesn't slip. It wouldn't take much slippage to cause a short, potentially destroying your chip.

Ontje | Oct. 22, 2015

Perfect for tiny projects

For Tiny AVR-ISP pogo-pin programming adapter

This is a great little adapter! I pre-tinned all the pads on the PCB used some scotch tape to hold down the pogo pins while soldering - which made it actually quite easy to get this tiny thing assembled. Saves so much space on the PCB I could actually fit the ISP header inbetween the SOIC ATtiny84 pins and now program from the bottom side of the PCB.
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Response from madworm | Oct. 23, 2015
You know what, I've never tried taping the pins down myself. Maybe I should give it a try :-P

Jan | Feb. 26, 2015

Pretty cool LED indicator

For 8-bit LED indicator

I really like this 8 bit LED indicator - as it says in the tin: no worries about anode/cathode, either one or the other row works. For even more fun, wire the 9th pin to a microcontroller pin and change rows on the fly!

The kit was quite fun to solder. I didn't even destroy any of the parts, but the two spare LEDs are appreciated - Thanks!

One explicit instruction which would put my mind at ease before soldering: it doesn't matter which way the LEDs point, as long as they all point in the same direction ( - I hope that I understood the schematic and my multimeter readings correctly).
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Response from madworm | March 5, 2015
LED orientation... that's actually in the description!

And I promise, I didn't just insert it :-)

Garrett | Jan. 27, 2015

Very nice and useful product, quite reasonably priced

For 8-bit LED indicator

I put together a crude, bigger, less versatile (only one set of LEDs) version of this product for my own breadboarding. Found this, but was put off by the by-hand surface-mount soldering; I've done a lot of through-hole, but assumed it was beyond my abilities. I decided to get some as a first SMT project, because they'd be so useful in my tinkering and it would be a fair investment to screw a couple up learning what I was doing. I managed to somewhat screw up the first one (15 of the 16 LEDs worked okay), but managed to crank out 11 of them this evening, all working perfectly (but not as pretty as the examples, of course). Good project for an intro to surface mount soldering.

Mike | Dec. 3, 2014

Excellent product

For Tiny AVR-ISP pogo-pin programming adapter

Finally got around to using this last night and it is awesome! My project will all be smaller now with the help of this adapter.

Mike
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Response from madworm | Dec. 10, 2014
Glad you like it so much :-)

One has to wonder how we've manged to live with the standard 3x2 pin header for so long. Especially so for tiny creations.

Robert | Sept. 18, 2014

Works as designed, great Idea!

For Tiny AVR-ISP pogo-pin programming adapter

Some tips on how to solder aligned would be great.
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Response from madworm | Dec. 10, 2014
I promise to improve the description, once the latest revision boards are in!

Nicholas | Aug. 22, 2014

It's tiny - requires expert soldering skills

For Tiny AVR-ISP pogo-pin programming adapter

Words and pictures did not fully express how truly tiny this thing is. Although the pins are long, the space between them makes this like soldering closely packed 0603 SMD parts. Definitely not for the faint of heart. I deferred to an expert coworker to assemble mine. I've no doubt I would have made a hash of it.

At the time (and currently), an assembled version is not an option. I would have gladly paid US$20 more to buy an assembled one.

I haven't actually used it yet, as boards with the correct footprint have not come back from the fab yet, but I have experience with a full-size (.1") pogo ISP adapter, so I have no doubts that it will actually work as advertised. And being able to shrink the ISP footprint is worth it in the end.
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Response from madworm | Aug. 25, 2014
Thank you for your feedback. I have adjusted the description, hopefully it's now more obvious one needs to be very good with the soldering iron. I'd like to offer assembled products, but there are some regulation issues that prevent that. And I can't get around them as of now.
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