Quantity   Component name
1 × Arduino Micro development board
1 × Card reader (microSD) I used the one from Adafruit
1 × MicroSD card (up to 4Gb) Any speed class
2 × LED 5mm, any color
4 × Screw-tipe through-hole 5,08mm connectors Two pins each
1 × Development board 4x6 mm Green, FR4, prototype board
4 × Diode 1N4007
3 × Thru-hole 10k ohm, 1/4W 5% resistor basically any resistor