[Board]: LoPy4

[cabinlab]

SOC

ESP32

Lora IC

SX1276

Product Link

https://pycom.io/product/lopy4/

Description

No GPS Tested on 1.2.65. Not yet tested on 1.3_ Forum Post

[mc-hamster]

How many people are using this board?

[garthvh]

End of life and no other interest, can revisit if next version gets some traction

[gretel]

works for me, taken from the discourse thread:

variant.h

#undef GPS_RX_PIN
#undef GPS_TX_PIN

#define I2C_SDA 12
#define I2C_SCL 13

#undef PIN_NEOPIXEL // no support
#define LED_PIN 16

#define BUTTON_NEED_PULLUP
#define BUTTON_PIN 17 // pycom expansion board v2

// Pin definition in LoPy4 Manual is incorrect. See link to errata:
// https://forum.pycom.io/topic/3403/wiring-of-dio-pins-of-lora-sx127x-chip-to-esp32/4?_=1655162492722
// https://forum.pycom.io/topic/3483/erratum-in-lopy4-specification-document
// LoPy (original, not 4) pin definition:
// https://forum.pycom.io/post/20460

#define USE_RF95
#define LORA_DIO0 23  // Note: All DIO are wired through a diode bridge to a single pin
#define LORA_RESET -1 // NC
#define LORA_DIO1 23  // Not really used
#define LORA_DIO2 23  // Not really used

#define LORA_RXEN -1
#define LORA_TXEN -1

#define RF95_RXEN LORA_RXEN
#define RF95_TXEN LORA_TXEN

#undef RF95_SCK
#define RF95_SCK 5
#undef RF95_MISO
#define RF95_MISO 19
#undef RF95_MOSI
#define RF95_MOSI 27
#undef RF95_NSS
#define RF95_NSS 18

platformio.ini

; Meshtastic Pycom Lopy4
[env:pycom-lopy4]
board = lopy4
extends = esp32_base
build_flags =
  ${esp32_base.build_flags}
  -D PRIVATE_HW 
  -I variants/pycom-lopy4