Quantity   Component name
1 × ESP-12e WiFi mofule
1 × LM339 quad differential comparator SMD SO14
2 × tactile switches SMD 6x3.5mm
1 × 2x5pin boxed header male, 2.54mm pitch, through-hole
1 × 2x5pin header female, 2.54mm pitch, through-hole
1 × LM393 dual differential comparator SMD SO08
3 × 2N7000 SMD FET transistors, SOT23
1 × 24V to 3.3V step-down buck converter (2.54mm pitch)
1 × 100nF SMD capacitor 0805
3 × 47R SMD resistors 0805
2 × 1M SMD resistors 0805
10 × 10k SMD resistors 0805 (some are optional pull-ups)
1 × 470R SMD resistor 0805