MCUs are ideal MQTT clients because the protocol is lightweight and designed for low-bandwidth, low-RAM environments.
FriendlyELEC has launched the "Plus" variant of the NanoPC-T6 Rockchip RK3588 SBC using up to 32GB LPDDR5, instead of LPDDR4x RAM ...
This repo can be used to setup RTC clock (DS3231). The sketch includes a simple AT based serial communication protocol that can be used to set the time. The solution can be embedded into existing ...