Main control board for an IoT-based smart pill dispenser. Integrates a Raspberry Pi Compute Module and STM32F0 microcontroller. Features include:
-802.11b/g/n module (connected to RPi via SDIO) for easy software integration).
-Socket for precertified cellular modem module.
-CSI camera interface (replicating full RPi configuration).
-I2S DAC and audio amplifier for a mono speaker.
-Dual-channel brushed motor driver.
-High current LED drivers with fade, breathe, and blink effects.
-Multiplexed I2C interface for 6 time-of-flight laser distance sensors.
-Batterry charging and management for a single-cell lithium ion.