Quantity   Component name
1 × Atmel ATMEGA 328 Microcontroller
2 × Texas Instruments TLC5940 LED drivers
1 × Texas Instruments TPS61026 Boost regulator
1 × Texas Instruments LDC1000 Inductive sensor
1 × Analog Devices ADXL337 3 axis accelerometer
1 × Circuit board https://github.com/InanimateCarbonRod/BikeLight-Board. Send a message if you'd like to get in on a group board order. They'd be around $10 each.