Quantity   Component name
1 × ATTINY85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × Tactile switch
1 × LED, Green Fiber Optics / Emitters
2 × Resistor, 300 Ohm current limiters for the LED and the switch
1 × SD card socket
1 × MicroUSB socket
1 × LM3940 Power Management ICs / Linear Voltage Regulators and LDOs
1 × Capacitor, 0.47uF for the 5V->3.3V power supply (LM3940 typical application)
1 × Capacitor, 33uF for the 5V->3.3V power supply (LM3940 typical application)
1 × Plastic shell from a Sony PlayStation Memory Card