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This readme describes how to create an acryl laser engraved logo which fits in a wooden lasercut case with integrated neopixel leds for an awesome effect!
The case and acryl are both made with a laser-cutter and apart from that some soldering is required.
- esp32 in a small form factor
- acryl (cast preferably)
- wood suitable for laser-cutting
- six APA102 neopixel leds
- hotglue / woodglue
Flashing the ESP32 (pico)
The ESP32 first needs to be flashed with
micropython following the instructions on
their website. After a successful installation opening the esp's serial port
with for example screen should provide a Python interpreter. A tool called
ampy can be used to copy the two Python
files to the esp32. Simply execute
ampy -p /dev/ttyUSB0 put pythonfile.py.
The file called
boot.py will be executed on boot, and in the current code
it then goes into a deepsleep after which it executes again. This makes it a
bit more difficult to update the code, since ampy does not seem to be able to
interrupt the deepsleep or reset the MCU, the easiest way to update
boot.py is replugging the esp32, opening screen and pressing ctrl+c to
interrupt the boot code so the esp32 does not go to sleep. Then ampy can be
used again to upload a new
The code is licensed MIT and the
esp32/generic_dotstar.py code is taken
library which is licensed MIT.