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40 lines
1.0 KiB
Markdown
40 lines
1.0 KiB
Markdown
# LoRA HAT pins
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This is derived from the schematics; showing the 5 specific pins used (only)
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```text
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looking down, Pin1 is top left, Pin40 bottom right
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3v3 -- o o -- 5v
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o o -- 5v
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o o -- GND
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AUX ------ o o ------ TX (set to USB serial via jumpers on HAT)
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GND -- o o ------ RX (set to USB serial via jumpers on HAT)
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-- o o --
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M1 ------ o o -- GND
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M0 ------ o o --
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3v3 -- o o --
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-- o o -- GND
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-- o o --
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-- o o --
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GND -- o o --
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-- o o --
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-- o o -- GND
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-- o o --
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-- o o -- GND
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-- o o --
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-- o o --
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GND -- o o --
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```
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The three fixed pins used by the HAT are 7,13 and 15.
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These map as follows:
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* `AUX` is on `PB7`
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* `M1` is on `PD22`
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* `M0` is on `PB0`
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The Serial (TX,RX) is deselected via onboard jumpers, a secondary serial will be jumpered to the module TX/RX instead.
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## References
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#### Lora HAT
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https://www.waveshare.com/wiki/SX1262_868M_LoRa_HAT
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