Quantity   Component name
1 × SparkFun nRF52832 Breakout https://www.sparkfun.com/products/13990
2 × Stepper Motor: Bipolar, 200 Steps/Rev, 35×36mm, 2.7V, 1 A/Phase https://www.pololu.com/product/1209
1 × Big Dome Pushbutton - Green https://www.sparkfun.com/products/11275
1 × BLE Nano 2 https://redbear.cc/product/ble-nano-2.html
1 × Coin Cell Battery Holder - 20mm (PTH) https://www.sparkfun.com/products/783
1 × CR2032 Battery
1 × Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase https://www.pololu.com/product/1204
2 × DRV8880 Stepper Motor Driver https://www.pololu.com/product/2971
1 × MB102 Breadboard Power Supply 3.3V/5V
2 × 450XL Synchro Timing Belt Closed timing belt, 1/5" pitch, 3/8" width, 45" length
1 × DFPlayer Mini
1 × WaveShare 2.9inch e-Paper Module http://www.waveshare.com/product/2.9inch-e-paper-module.htm
1 × Full-size Breadboard https://www.sparkfun.com/products/12615
1 × KY-024 Linear Hall Effect Sensor https://tkkrlab.nl/wiki/Arduino_KY-024_Linear_magnetic_Hall_sensors