Building Glasgow
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| Project Building Glasgow | |
|---|---|
| |
| debugging PCB assembly so we can build a PCB to debug our PCBs | |
| Status | Initializing |
| Contact | noopwafel, Shiz |
| Last Update | 2020-01-04 |
Wha?
We're going to try assembling some Glasgow [1] PCBs. The FPGA is BGA, and there are way more than >100 jellybean parts to place, so this will probably involve the Reflow Oven. Failure is fun!
Glasgow is described as an `open source multitool for digital electronics'; it's basically an FPGA with configurable level shifting for 16 ESD-protected I/O pins, so you can connect it to a whole bunch of random interfaces:
Status
We ordered 50 revC1 PCBs and a stencil from JLCPCB.
- They are currently being manufactured. They asked for confirmation that the solder mask layer was meant to be missing the DNP parts, replied.
noopwafel plans to buy about 10 board's worth of components; the total BOM cost is about 70eur in these quantities.
- We managed to import a BOM into Mouser, and to break Digikey's BOM manager.
- Mouser has almost all the components, except we need to substitute some jellybean parts and some LEDs.
- The FPGA is only available in useful (small) quantities from Digikey.