Quantity   Component name
1 × ESP8266 WEMOS D1 mini
1 × ATtiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × 18650 Battery Battery
1 × Clickable Rotary Encoder
1 × NeoPixel Ring or Strip WS2812
1 × IRF9540N Discrete Semiconductors / Power Transistors and MOSFETs
1 × 2N3904 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
1 × 2N7000 Discrete Semiconductors / Diode-Transistor Modules
3 × 10K Resistor Resistor
1 × 0.3uF Capacitor Capacitor
1 × 1K Resistor Resistor