nyan:boxes
Differences
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nyan:boxes [2025/02/12 03:10] – river | nyan:boxes [2025/05/13 08:23] (current) – river | ||
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Notes on Nyan prototype / development boxes I have built. | Notes on Nyan prototype / development boxes I have built. | ||
+ | |||
+ | ===== Connectors ===== | ||
The NMEA 2000 connector wires have the wrong colours. I have used the correct colours of ferrules to mark them, according to the colours tabulated in [[: | The NMEA 2000 connector wires have the wrong colours. I have used the correct colours of ferrules to mark them, according to the colours tabulated in [[: | ||
+ | |||
+ | ==== Custom ==== | ||
+ | |||
+ | === Waterproof blue connectors with 9 pins. === | ||
+ | |||
+ | | 1 | +12V nom. (NMEA2000 bus power), OR USB VBus (5V). | | ||
+ | | 2 | Ground | | ||
+ | | 3 | USB D+ | | ||
+ | | 4 | USB D- | | ||
+ | | 5 | CAN+ | | ||
+ | | 6 | CAN- | | ||
+ | | 7 | SWDIO | | ||
+ | | 8 | SWDCLK | | ||
+ | | 9 | Boot or Reset | | ||
+ | |||
+ | === Pico Internal Wiring to Connector === | ||
+ | |||
+ | | Red | USB VBus | | ||
+ | | Black | Ground | | ||
+ | | Yellow | ||
+ | | Blue | USB D- | | ||
+ | | Grey | Boot | ||
+ | | Green | SWDCLK | | ||
+ | | White | SWDIO | | ||
+ | |||
+ | === Debug Cable === | ||
+ | |||
+ | 9 pin blue waterproof connector for flash / debug of boxes. Pinout as above. | ||
+ | |||
+ | Cable end has: | ||
+ | * USB plug | ||
+ | * 3 pin dupont socket as pico debug: orange: SWDCLK, black: ground, yellow: SWDIO. | ||
+ | * Brown dupont: pin 9, BOOT. | ||
===== 0 ===== | ===== 0 ===== | ||
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* Pi 5. Has official fan heatsink. | * Pi 5. Has official fan heatsink. | ||
- | * Heltec WSL V3 | + | * <del>Heltec WSL V3</ |
* INA3221. CH1: 50mR, power input. CH2: 5V converter output, voltage only. | * INA3221. CH1: 50mR, power input. CH2: 5V converter output, voltage only. | ||
* Lightning sensor | * Lightning sensor | ||
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* PoE splitter | * PoE splitter | ||
- | Pi is connected as a JTAG debug probe to the Heltec. | + | <del>Pi is connected as a JTAG debug probe to the Heltec.</ |
RS422 UART board screw terminals are connected externally. Additionally, | RS422 UART board screw terminals are connected externally. Additionally, |
nyan/boxes.1739329823.txt.gz · Last modified: by river