Quantity   Component name
1 × Raspberry Pi Pico
1 × Li ion charger module single cell with no battery protection (it's in the battery)
1 × 5v boost module
1 × 4x3 tactile keypad custom designed, but is pin compatible with the common ones
1 × Dream SAM2695 module custom design
1 × 8x2 LCD module 3.3v parallel I/O
1 × 3D printed enclosure custom design
1 × Kuensa mainboard custom design
1 × Micro SD module
1 × Rotary encoder EC11
1 × MCP23008 Microprocessors, Microcontrollers, DSPs / IO Controllers
1 × USB socket Through hole type
1 × Micro USB plug
1 × Li ion battery 1800mAh pouch type with protection
1 × SPDT switch Through hole power switch