Quantity   Component name
1 × original LED driver electronics providing 12V and LED drivers (transistors)
1 × arduino nano which controls the LED drivers and reads the sensors
1 × Light Dependent Resistor and 22k pullup to measure light brightness and thus the time of day
1 × BC517 Darlington transistor touch sensor + 1k6 base-, 9M pulldown-, 16k pullup-resistors and 22n capacitor