Quantity   Component name
1 × 7815 regulator
1 × 7805 regulator Resistors (Fixed) / Metal Film
1 × VEML7700 Ambient light sensor
1 × VEML7700 PCB (see text for open-source design files)
8 × 1uF ceramic capacitors
3 × 1N4001 Diode
1 × 2N4401 NPN transistor
1 × 5mm Green LED
1 × 100-ohm resistor (1/4W)
1 × 4.7k resistor (1/4W)
2 × 10k 1% resistor (1/4W)
2 × 20k 1% resistor (1/4W)
1 × LM358 op-amp
1 × MCP4811 10-bit DAC with integrated voltage reference
1 × Arduino nano (clone)
1 × PCA9306 I2C level shifter
2 × 2.2k 0805 resistor
2 × 4.7k 0805 resistor
2 × 200k 0805 resistor