Search found 6 matches

by rickard.von.essen
20 Oct 2018, 08:10
Forum: Workshop
Topic: Atmega32u4 bootloader?
Replies: 3
Views: 1758

Re: Atmega32u4 bootloader?

Yes you need to flash the bootloader onto the atmega32u4 with an ISP. See this article https://electronut.in/bootloader-atmega32u4/

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by rickard.von.essen
30 Aug 2018, 21:50
Forum: Gallery
Topic: Toshiba T4600C
Replies: 2
Views: 2167

Toshiba T4600C

Picked up a vintage Toshiba T4600C for ~$2.5, but unfortunately it doesn't use alps.
by rickard.von.essen
14 Aug 2018, 15:37
Forum: Workshop
Topic: Help debugging why random keys won't work on an old pcb
Replies: 14
Views: 3837

Re: Help debugging why random keys won't work on an old pcb

The first thing to do is to check that pushing the closes the circuit and opens when releasing it. Use a multimeter.

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by rickard.von.essen
30 Jul 2018, 09:37
Forum: Workshop
Topic: ESD'd PCBs, what to do ?
Replies: 2
Views: 1438

Hard to see that a metal shelf could cause this. Electrostatic discharges have a high potential (V) but a really low current (A). The shelf more likely protect against ESD, since it would dispense the the discharge over the whole shelf. Do you have a lot of connected electronic devices in the shelf?...
by rickard.von.essen
17 Jul 2018, 09:12
Forum: Workshop
Topic: G80-11900 PCB?
Replies: 7
Views: 2448

Re: G80-11900 PCB?

Where are you located? Maybe someone skilled in PCB repair can fix the PCB for you.

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by rickard.von.essen
12 Jun 2018, 08:48
Forum: Workshop
Topic: XT/AT/PS2/Terminal to USB Converter with NKRO
Replies: 866
Views: 595270

Re: XT/AT/PS2/Terminal to USB Converter with NKRO

I am assuming the firmware is compiled for atmega32u4 / 16 MHz, as I'm using a Pro Micro 3.3v / 8 MHz please make available a .hex compiled for 8 MHz... Thanks! Check out QMK, it's open source and you can adapt it as you want. https://github.com/qmk/qmk_firmware/blob/master/keyboards/converter/ibm_...

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