Custom Board Support - ESP32 Boards

Bruce Firmware - Custom Board Support

Pre-built binaries for affordable ESP32 development boards.

New Boards

• ESP-WROOM-32 + ILI9341 2.4" TFT (5-way buttons)
• ESP-WROOM-32 + ST7789 2.8" TFT (XPT2046 touch)
• ESP32-S3 + ST7789 2.8" TFT (XPT2046 touch)

Features

• CC1101 Sub-GHz & NRF24 2.4GHz radio support
• IR TX/RX & RF TX/RX
• SD Card & WiFi/Bluetooth

Flash Instructions

esptool.py:

# ESP-WROOM-32 + ILI9341
esptool.py --chip esp32 --port COM3 --baud 921600 write_flash -z 0x0 Bruce-esp-wroom32-ili9341.bin

# ESP-WROOM-32 + ST7789
esptool.py --chip esp32 --port COM3 --baud 921600 write_flash -z 0x0 Bruce-esp-wroom32-st7789.bin

# ESP32-S3 + ST7789
esptool.py --chip esp32s3 --port COM3 --baud 921600 write_flash -z 0x0 Bruce-esp32s3-st7789.bin

Browser-based: ESP Web Tools

Replace COM3 with your actual port

Troubleshooting

• Connection failed: Hold BOOT button while connecting
• Wrong chip: Use --chip esp32 for WROOM-32, --chip esp32s3 for S3

Pinout

ESP-WROOM-32 + ILI9341 (Buttons)

Function	GPIO
TFT CS	17
TFT DC	16
TFT RST	5
TFT BL	32
SPI MOSI	23
SPI MISO	19
SPI CLK	18
BTN SELECT	35
BTN UP	34
BTN DOWN	26
BTN RIGHT	27
BTN LEFT	33

ESP-WROOM-32 + ST7789 (Touch)

Function	GPIO
TFT CS	17
TFT DC	16
TFT RST	5
TFT BL	32
Touch CS	21
SD CS	12
SPI MOSI	23
SPI MISO	19
SPI CLK	18
BTN OK	0 (BOOT)

ESP32-S3 + ST7789 (Touch)

Function	GPIO
TFT CS	10
TFT DC	7
TFT RST	5
TFT BL	38
Touch CS	3
SPI MOSI	11
SPI MISO	13
SPI CLK	12
I2C SDA	8
I2C SCL	9
BTN OK	0 (BOOT)

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Contributed by @Aryann019x