Quantity   Component name
1 × MSP430G2210 SOIC-8 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × MCP1703T-3302E/CB SOT-23-3 Power Management ICs / Linear Voltage Regulators and LDOs
3 × SI2302CDS-T1-E3 SOT-23-3 Discrete Semiconductors / Diode-Transistor Modules
1 × 1uF Ceramic Capacitor 0603
1 × 0.1uF Ceramic Capacitor 0603
4 × 100kΩ Resistor 0603
3 × 49.9Ω Resistor 0603
1 × 1 Segment of 3 LEDs RBG Light Strip The cheap kind you buy from china
1 × Photocell (optional) The MSP430 could monitor the photocell and turn on automatically at dusk and/or shut off when exposed to a flashlight for example.
1 × Toilet Paper / Paper Towel Roll, Emptied.
1 × PCB https://oshpark.com/shared_projects/kzO9ZGp5