njord/lasertag_remote_control
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OpenLaserTag, MILES TAG 2, Micropython, Raspberry Pi Pico W
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njord 9149761c82 Add Zephyr RTOS port of OpenLaserTag remote control 
Port the MicroPython firmware to a maintainable Zephyr C application under
zephyr_app/, alongside the untouched original reference implementation.

- OLT IR protocol in pure C (olt_proto) with a host unit test
- buttons, piezo, RGB PWM, battery ADC, IR TX (software 56 kHz carrier),
  IR RX (edge-capture + timeout decode), and gated BLE Nordic UART service
- uasyncio tasks mapped to Zephyr threads / workqueues / k_timer
- rpi_pico overlay (full) plus esp32 and nucleo_f401re stubs
- prj.conf / Kconfig / overlay-ble.conf build configuration
- docs/migration-notes.md: hardware inventory, module/API maps, open questions

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-19 15:38:26 +02:00
.claude Add Zephyr RTOS port of OpenLaserTag remote control 2026-06-19 15:38:26 +02:00
.vscode fix debug 2024-05-28 17:19:12 +02:00
docs Add Zephyr RTOS port of OpenLaserTag remote control 2026-06-19 15:38:26 +02:00
lib version 1.0 relase 2024-06-22 01:13:41 +02:00
zephyr_app Add Zephyr RTOS port of OpenLaserTag remote control 2026-06-19 15:38:26 +02:00
.gitignore Add Zephyr RTOS port of OpenLaserTag remote control 2026-06-19 15:38:26 +02:00
.micropico add micropico 2024-05-13 22:02:47 +02:00
CLAUDE.md Add Zephyr RTOS port of OpenLaserTag remote control 2026-06-19 15:38:26 +02:00
main.py versio 1.0 release update 2024-06-22 01:19:05 +02:00
migration-prompt.md Add Zephyr RTOS port of OpenLaserTag remote control 2026-06-19 15:38:26 +02:00
README.md Update 'README.md' 2024-06-22 00:22:02 +01:00

README.md

lasertag_remote_control

OpenLaserTag device, MicroPython

Raspberry Pi Pico W

MicroPython FW: https://micropython.org/download/RPI_PICO_W/

Pi Pico W datasheet https://datasheets.raspberrypi.com/picow/pico-w-datasheet.pdf

PCB 51x21mm, 1mm hole 20x8(10) 2.54 pitch grid

Pi Pico BLE: https://electrocredible.com/raspberry-pi-pico-w-bluetooth-ble-micropython/

Micropython IR: https://github.com/peterhinch/micropython_ir/blob/master/RECEIVER.md

Pi Pico VSCode: https://randomnerdtutorials.com/raspberry-pi-pico-vs-code-micropython/

STM32WB

MicroPython FW: https://micropython.org/download/?mcu=stm32wb

BLE Bluetooth UART - terminal

https://play.google.com/store/apps/details?id=de.kai_morich.serial_bluetooth_terminal

install OpenLaserTag on Pi Pico W

install primitives lib

$ mpremote mip install "github:peterhinch/micropython-async/v3/primitives"

install lib folder on device

$ mpremote connect /dev/ttyACM0 cp -r ./lib :

install main.py

$ mpremote connect /dev/ttyACM0 cp ./main.py :

OpenLaserTag remote box

Box Z62, 2xAA:

https://www.kradex.com.pl/product/enclosures_with_battery_basket/z62

https://www.krabicky-pro-elektroniku.cz/plastova-krabicka-z62--cerna/

BLE Bluetooth UART - terminal

https://play.google.com/store/apps/details?id=de.kai_morich.serial_bluetooth_terminal

Pi Pico

IR RX

IR RX TSOP4856
datasheet: https://www.vishay.com/docs/82459/tsop48.pdf

  • pin1 OUT - Pi Pico pin 16 (pull up)
  • pin2 VCC
  • pin3 GND

IR TX

  • IR TX TSAL6200 / TSAL6100
  • PN2222A NPN transistor
  • resistor 47R

Pi Pico pin:

  • pin 16 - IR RX
  • pin 17 - IR TX - 22R - IR LED OSRAM SFH4544
  • pin 18 - button
  • pin 19 - button
  • pin 20 - button
  • pin 22 - Red LED, resistor 75R
  • pin 28 - 2xAA 1,5V BAT - Schottky diode - VSYS Pi Pico
  • pin 15 - PN2222A NPN transistor - Piezo

BLE UART Serial Terminal

Show IR RX recived commands

Send IR Commands from terminal

  • led_off LED OFF
  • led_on LED ON
  • bomb Send Explode command over IR TX
  • Any Lasertag command in hex FFFFFF or 0xFFFFFF send this command over IR TX