Quantity   Component name
1 × C-Beam™ Linear Actuator Bundle A stepper motor (NEMA 23) driven platform on short rails
1 × Stepper motor driver Microstep capable current control for the stepper motor
1 × WeMos D1mini minimal ESP8266 development board
1 × LCD 2004 4 line 20 character LCD with controller
1 × I2C LCD control module The common PCF8574 used to drive the LCD module
1 × I2C digital I/O expander The common PCF8574 used to connect the push buttons
1 × 8 push buttons Menu buttons on both sides of each line on the LCD display
2 × Reed contacts & magnets
1 × INA219 current sensor module
1 × Software https://github.com/johanvdp/FoocusStacker