TimGremalm/Fyr

Lighthouse electronics for receiving DMX512. ESP32 on LightboxNano using ESP-IDF.

Fyr

Lighthouse electronics for receiving DMX512.

Specs

Microcontroller

• MCU: ESP32 PICO D4 https://docs.espressif.com/projects/esp-idf/en/release-v3.0/get-started/get-started-pico-kit-v3.html
• PICO Pin Definitions https://demo-dijiudu.readthedocs.io/en/latest/get-started/get-started-pico-kit.html#pin-descriptions
• PICO D4 datasheet https://espressif.com/sites/default/files/documentation/esp32-pico-d4_datasheet_en.pdf
• ESP32 ADC https://randomnerdtutorials.com/esp32-adc-analog-read-arduino-ide/
• ESP32 UART https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/uart.html

Electronics

• Light development board: LightboxNano https://github.com/TimGremalm/LightboxNano
• LighboxNano schematics https://raw.githubusercontent.com/TimGremalm/LightBoxNano/master/output/LightBoxNano.pdf
• Hall effect sensor OH49E https://datasheetspdf.com/pdf-file/1418337/Ouzhuo/OH49E/1

Inspiration

DMX parsing inspired by https://github.com/luksal/ESP32-DMX

Setup

• Configure esp-idf environment (ESP-IDF v5.0-dev-4001-g495d35949d 2nd stage bootloader)
• https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/index.html

Rehash build environment

get_idf

Build and flash

Configure

idf.py menuconfig

Build

idf.py build

Flash

idf.py -p /dev/ttyUSB0 flash

Serial Monitor

Monitor

idf.py -p /dev/ttyUSB0 monitor

Close monitor

Press CTRL+] to exit.

Build and flash within monitor

Press CTRL+T then A to build and flash.