Quantity   Component name
1 × RN-42 Bluetooth SPP Module
1 × Atmel Atmega328p
1 × Power Switch
1 × 3.7V 500mAh LiPo
2 × 361 nm LED
2 × Green LED
5 × 68 Ohm Current Limiting Resistor
1 × Taos TSL238 Light- Frequency
1 × 10k Ohm Reset Pull-up
4 × 1μF Filter Capacitor
1 × Bi-Color Red/Green LEC
1 × 1k Ohm Pull-up Resistor
1 × USB mini-B Port
1 × USB Charge indicator 3mm LED
1 × 300 Ohm Current Limiting Resistor
1 × MAX1555 USB Charge Circuit
1 × 3.3 V LDO