Search found 5 matches

by Takigama
Sat Dec 22, 2018 6:35 am
Forum: Geiger Counter
Topic: SMD/ESP version
Replies: 6
Views: 2806

Re: SMD/ESP version

Boards have finally arrived but sadly I wasn't ready with the parts i'd need to put it together:

Image
by Takigama
Sat Nov 17, 2018 6:53 am
Forum: Geiger Counter
Topic: SMD/ESP version
Replies: 6
Views: 2806

Re: SMD/ESP version

Sent the current version off to the printer today, once it arrives I'll write some code and see how it goes. Was tempted to put an ESP-01 header in there also, but ultimately chose not to.

Available on https://github.com/takigama/RadiationMonitorsUSB if anyone is interested
by Takigama
Tue Nov 06, 2018 5:56 pm
Forum: Geiger Counter
Topic: SMD/ESP version
Replies: 6
Views: 2806

Re: SMD/ESP version

Ok, heres my first itteration, very much a work in progress though: https://github.com/takigama/RadiationMonitorsUSB/blob/master/32u4/GMcounter.pdf Ok, i now also have the layout (the textual stuff needs to change but the layout and tracks will stay the same from this point): https://raw.githubuserc...
by Takigama
Tue Nov 06, 2018 6:18 am
Forum: Geiger Counter
Topic: SMD/ESP version
Replies: 6
Views: 2806

Re: SMD/ESP version

I'll give it a shot, though on the switching speed thing, i was more refering to Q2 (The tranny driving the pulse output on GM_PULSE). Though i realise i can easily get a 2n3904 in smd form anyways so thats not important. I'll post the schematic in here before i fling it off to the printers. Really ...
by Takigama
Mon Nov 05, 2018 9:11 pm
Forum: Geiger Counter
Topic: SMD/ESP version
Replies: 6
Views: 2806

SMD/ESP version

Hi All, Recently got dumped a few GM tubes (im told they're a SBM-20) and i've always wanted to be able to see what I can do with one... There's a reasonable amount of info available, but alot is also quite hard to follow. Ultimately, i thought this one would be a good circuit to start with cause it...

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