M5Stack NanoH2

Stamp Module
M5Stack NanoH2

Ultra-compact ESP32-H2 dev module with Thread 1.4, Zigbee 3.0, Matter, and BLE 5 — featuring a Grove port, IR transmitter, and RGB LED in a stamp-sized 23.5×12mm form factor.

RISC-V RV32IMAC single-core @ 96MHz, IEEE 802.15.4 radio, hardware secure boot320KB SRAM4MBBLE BLE 5Zigbee Zigbee 3.0

Espressif ESP Thread Border Router

Dev Board
Espressif ESP Thread Border Router

Official Espressif dual-SoC development board combining ESP32-S3 (host) and ESP32-H2 (radio co-processor) to build Thread 1.3 border routers and Zigbee gateways with Matter support over WiFi.

Xtensa LX7 dual-core @ 240MHz (ESP32-S3, host) + RISC-V @ 96MHz (ESP32-H2, radio co-processor)512KB SRAM (S3) + 320KB SRAM (H2)8MB (S3) + 4MB (H2)WiFi 802.11 b/g/nBLE BLE 5Zigbee Zigbee 3.0
~$10View

Espressif ESP32-C6-DevKitC-1

Dev Board
Espressif ESP32-C6-DevKitC-1

Official Espressif development board for the ESP32-C6, combining WiFi 6, BLE 5, and IEEE 802.15.4 (Thread/Zigbee/Matter) on a RISC-V single-core SoC — ideal for Matter-native IoT and smart home develo

RISC-V RV32IMAC single-core HP @ 160MHz + LP core @ 20MHz, hardware crypto (AES/SHA/RSA/ECC)512KB SRAM + 16KB LP SRAM8MB (QSPI)WiFi 802.11ax (WiFi 6, 2.4GHz)BLE BLE 5Zigbee Zigbee 3.0
~$10View

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More to explore — popular traits shared by devices with Bluetooth: BLE 5.