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Allen Hill
2.3 KiB
2.3 KiB
Hardware
I ordered the boards partially assembled from JLCPCB (to keep costs down, I ordered and soldered some non-standard/stocked parts myself.)
The non-populated/assembled BOM is:
| Mouser #: | Mfr. #: | Desc.: | Order Qty. | Unit Price (USD) |
|---|---|---|---|---|
| 579-ATTINY3216-SNR | ATTINY3216-SNR | 8-bit Microcontrollers - MCU 8-bit Microcontrollers - MCU 20MHz, 32KB, SOIC20, Ind 105C, Green, T&R | 1 | $1.27 |
| 523-L717SDE09PA4CH4 | L717SDE09PA4CH4F | D-Sub Standard Connectors D-Sub Standard Connectors D SUB R/A | 1 | $1.98 |
| 490-SJ-43514 | SJ-43514 | Phone Connectors Phone Connectors audio jack, 3.5 mm, rt, 4 conductor, through hole, 0 switches | 1 | $1.35 |
| 667-ERZ-V20D220 | ERZ-V20D220 | Varistors Varistors 22V 2000A ZNR SUR ABSORBER 20MM | 1 | $1.24 |
| 538-22-28-8093 | 22-28-8093 | Headers & Wire Housings Headers & Wire Housings 2.54MM BREAKAWAY RA 9 CKT Gold | 2 | $0.76 |
| 865-XC6701D502JR-G | XC6701D502JR-G | LDO Voltage Regulators LDO Voltage Regulators 28V High Speed Voltage Regulator | 1 | $1.36 |
| 563-EXN-23350-BK | EXN-23350-BK | Enclosures, Boxes, & Cases Enclosures, Boxes, & Cases Extruded Aluminum Enclosure Black (1.4 X 2.7 X 1.9 In) | 1 | $14.40 |
An earlier version of the board* lacked cutouts in the corners to fit the ends of the intended housing, so I haven't used the listed enclosure (yet).
*Only version of the board I have ordered so far.
Flashing
The CMake target flash uses the AVRDude utility using the "serialupdi" programmer type. I use a USB => Serial converter with the Rx and Tx lines connected, using one of the options described by SpenceKonde here.