trombik / led-bottle-lighting

A lighting system to illuminate bottles.

Bottle Lighting

A lighting system to illuminate bottles. Supported bottle diameter is 100 mm.

Requirements

Electrical components

• ESP8266 or ESP32 development board
• Low Vth N-channel MOSFET
• some passive components
• Universal board
• Touch sensor
• 12V LED strip or SPI-based addressable LED strip (SK9822, or APA102)
• 18 or 20 AWG power cable
• 3D printer

Tools

• Soldering iron and a solder wire
• Oscilloscope (optional for debugging)
• Multimeter (optional for debugging)
• A breadboard (optional for debugging)
• A small LED (optional for debugging)

Software

• git
• Slicer software, such as cura
• esp-idf or ESP8266 RTOS SDK

Features

Dims the LED by PWM.

Brightness can be controlled by a touch switch.

Schedules on/off in cron(5) format.

Schematic

See a kicad project in schematic.

Firmware

See the esp-idf project in src.

License

ISC. See LICENSE.

Authors

• Tomoyuki Sakurai