benikigai/plus-onePublic
Plus One
SHA-256 af66bb205b9668d9bfdd29728526202cc4fa8c3d730791d109b3061a12a39059
status: design choice for a prototype in design
board:
part: part:main-pcba
outline: round, 52 mm
layers: 4
thickness_mm: 0.8
under_the_board: the cell, the module, the speaker and the haptic motor sit side by
side, not stacked, so the puck stays thin
fitted_on_core:
- part:esp32-s3-module
- part:mems-mic
- part:audio-amp
- part:haptic-driver
- part:imu
- part:fuel-gauge
- part:charger
- part:wireless-receiver
- part:ring-led
- part:tact-switch
- part:usb-c
- part:boot-button
- part:power-switch
- part:qwiic-connector
- part:battery-connector
- part:pcb
- part:passives
empty_on_core_fitted_on_plus:
- part:light-sensor
- part:nfc-tag
- part:debug-jumper
interfaces:
usb_c: power, flashing and serial; BOOT button forces the ROM bootloader
wireless_charging: receiver only, through the coil inside the magnet ring; a magnetic
phone charger or a dock charges it, a phone can't
qwiic: I2C, 3.3 V
pogo_pads:
- power
- ground
- I2C SDA
- I2C SCL
- module ID
pogo_pad_placement: five pads outside the charging coil, inside the magnet ring
mic_power: tied to the ring state, so the mics can't be on with the ring dark