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Electronics projects

• original Nintendo Game Boy DMG-01 shell and buttons;
• "GameBoy keypad" PCB (originally intended for RPi)
• Arduino Pro Micro 5V + this sketch

• switch to XInput
• add some trigger buttons
• add a rapid-fire combo

outside:

inside:

• original Sega Game Gear shell and buttons;
• Zega PCB (originally intended for RPi)
• Arduino Pro Micro 5V + this sketch

• Logitech Wingman Action Pad PCB with semi-broken analog stick (pic);
• replacement ribbon PCB for DualShock 2 (for the button contacts - very easy to cut);
• this cheap conductive glue;
• breadboard wires

outside:

inside:

• DOIT ESP32 board (has builtin hall-effect sensor);
• PMS5003 sensor (PM1.0, PM2.5, PM10.0 sensor connected via serial);
• BME280 sensor (temperature, pressure and humidity sensor connected via I2C);
• photoresistor/LDR (calibrated with a smartphone);
• (more sensors to come)

• Arduino core for the ESP32;
• PubSubClient MQTT library;
• aREST library;
• PMS library;
• Adafruit_BME280 library;
• Arduino sketch.

LED music visualizer v1: vumeter with only 3 LEDs and light guides

• Orange Pi PC (with onboard mic);
• 3 diffused LEDs connected to the GPIO pins via a 40-pins IDE cable + breadboard wires + 330 ohms resistors;
• see-through colored pens as light guides;
• see-through Gashapon action figure from Sega Gals Collection Vol. 03.

• RetrOrangePi (Debian Jessie-based);
• GMediaRender (UPNP renderer);
• audioleds.py script.

LED music visualizer v2: vumeter + mini spectrogram

• RGB LED wired to the GPIO pins (as vumeter display) + a yogurt vase as light diffuser 😀;
• 4x4 LED matrix made on a breadboard (as spectrum display) + Arduino Uno as controller;
• audioleds.py: updated with 4-bands spectrum analyzer.

LED music visualizer v3: bigger vumeter and spectrogram

• 32x16 P10 RGB LED matrix (as spectrum display) + Arduino Uno as controller and power source (at min brightness takes less than 300mA!);
• WS2812B 1M 30 LED RGB LED strip (as vumeter display) + Arduino Uno as controller and power source (still less than 300mA after reducing the brightness);
• audioleds.py: updated with Arduino control code via serial for the LED strip and the matrix: rgb_strip_serial.ino rgb_music_visualizer_16x32.ino

LED music visualizer v4: live lyrics display

• lrc search and loading from the the local filesystem + rendering on the LED matrix (still WIP): audioleds.py, rgb_music_visualizer_16x32.ino;
• reworked LED strip as mirorred spectrogram mode;
• reduced LED strip brightness.

• Orange Pi PC;
• smartphone camera accessed with the IP Webcam app or USB camera;
• the same WS2812B 1M 30 LED RGB LED strip used for the vumeter in the previous project + Arduino Uno as controller and power source.

• RetrOrangePi (Debian Jessie-based);
• cam2ambilight.py (using opencv to process the video frames);
• the same Arduino control code used for the vumeter in the previous project: rgb_strip_serial.ino