Adafruit S-35710 Low-Power Wake Up Timer Breakout - STEMMA QT / Qwiic Digital Meter Two tactile switches on GPIO

Two tactile switches on GPIO #5 and #6

schematics and more

Available in a 4GB 64bit LPDDR4 RAM option

providing about 4us resolution for servos at a 60Hz update rate

Adafruit S-35710 Low-Power Wake Up Timer Breakout - STEMMA QT / Qwiic Digital Meter Two tactile switches on GPIOThe Adafruit S 35710 Wake Up Timer is a low power 'watchdog timer' chip that can be programmed to alert with a digitally configurable alarm from 1 second up to 194 days, thanks to a 24 bit second counter. It's a useful alternative to a real time clock or internal sleep timer, ideal for ultra low power projects wanting a separate chip to handle time keeping and alarms. Usage is simple: On I2C write of the timer register, the chip starts counting from 0