tessract BOM: x3 47 Ohm resistors x1 330 Ohm resistor x2 10k Ohm resistor x1 100k Ohm resistor x2 10 uF Capacitor x2 .1 uF Capacitor x1 4.7 uF Capacitor x1 Push button switch x1 LED x1 Li-Ion Battery x1 Micro USB x1 ATMEL ATtiny85 x1 Microchip MCP73832 x1 Microchip MCP1755 (MIC5504 alternative) x1 Osram LRTB GFTG Current consumption: Part Current ATMEL ATtiny85 3mA = 3.3V @ 8MHz, 5mA = 5V @ 8MHz HM-10 50mA = 3.3V (active 8.5mA, sleep 50-200uA) OSRAM LRTB GFTG Red = 5-40mA, Green = 5-50mA, Blue = 5-50mA