Quantity   Component name
1 × ATMega328p AVR Microcontroller
1 × 1x8 Male Pin Header For OLED module
1 × Bridge Rectifier
1 × 470uF Electrolytic Capacitor One for power smoothing, one across OLED reset to delay oled reset on powerup
1 × 10uF Electrolytic Capacitor Power smoothing
2 × 0.1uF Ceramic Capacitor
1 × LM7805 Voltage Regulator
3 × 5mm Male PCB-Mount Spade Connector
3 × 5mm Male Cable Spade Connector
3 × 5mm Female Cable Spade Connector
1 × 3-Core Cable To tether grinder_timer unit to coffee grinder
1 × 5mm Cable Grommet
1 × 1x7 Female Pin Header For panel-mount buttons.
1 × 115x65x55mm Aluminium Enclosure
1 × 250VAC/5A PCB-Mount Relay
1 × Single-Sided Copper-Clad Blank Board To fab PCB
4 × 16mm Panel-Mount Momentary Push Button, Black Up, down, left and right push buttons.
1 × 16mm Panel-Mount LED Momentary Push-Button Grind button.
6 × Hook-up Wire with Male Pins Connect buttons to header.
7 × Hook-up Wire with Female Pins Connect OLED to header
1 × 1x6 Male Pin Header Serial/USB Adapter
1 × 2x3 Male IDC Header ISP
1 × 32.768kHz Crystal
3 × 10k Resistor Pull-ups for reset, SDA and SCL
1 × 128x64 OLED Module with on-board SSD1306 Driver
1 × 240VAC/6VAC Transformer