Displays Your parking time (next whole or half hour) with a seven-segment-font on an e-ink display. Keeps time with a ds1302 realtimeclock.
Arch BLE any platform with embedded hal bindings should work (needs I2C and SPI) 2.7inch eink Buttons on shield are used for setting time.
OLED display (ssd1306), only used for setting time DS1302 or another RTC chip with battery backup
Using cargo-embed
cargo embed --release
Press both buttons on e-ink shield, OLED-screen will show settings. btn2 increases seconds/minutes/hours btn1 cycles between seconds/minutes/hours