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https://github.com/halleysfifthinc/AVCLAN-Mockingboard.git
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Allen Hill
24 lines
2.3 KiB
Markdown
24 lines
2.3 KiB
Markdown
# Hardware
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I ordered the boards partially assembled from JLCPCB (to keep costs down, I ordered and soldered some non-standard/stocked parts myself.)
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The non-populated/assembled BOM is:
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| Mouser #: | Mfr. #: | Desc.: | Order Qty. | Unit Price (USD) |
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| ------------------- | ---------------- | ------------------------------------------------------------------------------------------------------------ | ---------- | ----------- |
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| 579-ATTINY3216-SNR | ATTINY3216-SNR | 8-bit Microcontrollers - MCU 8-bit Microcontrollers - MCU 20MHz, 32KB, SOIC20, Ind 105C, Green, T&R | 1 | $1.27 |
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| 523-L717SDE09PA4CH4 | L717SDE09PA4CH4F | D-Sub Standard Connectors D-Sub Standard Connectors D SUB R/A | 1 | $1.98 |
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| 490-SJ-43514 | SJ-43514 | Phone Connectors Phone Connectors audio jack, 3.5 mm, rt, 4 conductor, through hole, 0 switches | 1 | $1.35 |
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| 667-ERZ-V20D220 | ERZ-V20D220 | Varistors Varistors 22V 2000A ZNR SUR ABSORBER 20MM | 1 | $1.24 |
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| 538-22-28-8093 | 22-28-8093 | Headers & Wire Housings Headers & Wire Housings 2.54MM BREAKAWAY RA 9 CKT Gold | 2 | $0.76 |
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| 865-XC6701D502JR-G | XC6701D502JR-G | LDO Voltage Regulators LDO Voltage Regulators 28V High Speed Voltage Regulator | 1 | $1.36 |
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| 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 |
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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).
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*Only version of the board I have ordered so far.
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### Flashing
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The CMake target `flash` uses the AVRDude utility using the "serialupdi" programmer type. I use a [USB => Serial converter](https://www.adafruit.com/product/5335) with the Rx and Tx lines connected, using one of the options described [by SpenceKonde here](https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md).
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