EFR32MG22
1 deviceRelated:1.54" E-Paper Display128MB SLC NAND Flash Memory128Mbit Serial NOR Flash16-Channel I2C GPIO Expander1N41482.41" AMOLED Display2.9" B/W E-Paper Display (128x296)3.3V 2A DC-DC Buck Converter3.3V 800mA LDO Regulator3W Mono Class-D Audio Amplifier4G LTE Cat-4 Global Cellular Modem5-Way Navigation Button

Sonoff SNZB-01P
Smart Button
Zigbee 3.0 wireless button and scene switch with single, double, and long press actions. Battery-powered with CR2477 lasting up to 5 years. Works with Home Assistant, Zigbee2MQTT, and eWeLink.
EFR32MG2232 KB512 KBZigbee Zigbee 3.0
~$13View
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