Waveshare ESP32-H2-Zero

Dev Board
Waveshare ESP32-H2-Zero

Ultra-compact castellated ESP32-H2 development board with BLE 5.2, Zigbee 3.0, Thread 1.3, and Matter support. USB-C powered with WS2812 RGB LED, 15 GPIO pins, and 4MB flash in a tiny 23.5 x 15.2mm fo

RISC-V RV32IMC single-core @ 96MHz, HW crypto (AES/SHA/RSA/ECC/HMAC)320KB SRAM4MB15 GPIOBLE BLE 5.2Zigbee Zigbee 3.0

DFRobot Beetle ESP32-C6

Dev Board
DFRobot Beetle ESP32-C6

Coin-sized (25×20.5mm) ESP32-C6 wearable dev board with WiFi 6, BLE 5, Thread, Zigbee, Matter, integrated LiPo charger, and 14µA deep sleep — for $4.90.

RISC-V single-core @ 160MHz512KB SRAM4MBWiFi 802.11ax (WiFi 6)BLE BLE 5.0Zigbee Zigbee 3.0

Adafruit Feather M0 Bluefruit LE

Dev Board
Adafruit Feather M0 Bluefruit LE

ARM Cortex-M0+ dev board with Bluetooth LE (nRF51822) in the compact Feather form factor. Features 256KB flash, 32KB RAM, native USB, and a built-in LiPo charger for wireless wearable and IoT projects

ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz32KB SRAM256KBBLE BLE 4.0 (nRF51822)
~$30View

Adafruit Feather nRF52 Bluefruit LE (nRF52832)

Dev Board
Adafruit Feather nRF52 Bluefruit LE (nRF52832)

nRF52832 ARM Cortex-M4F Feather board with native Bluetooth 5 LE at 64 MHz, 512KB flash, 64KB RAM, 8 analog inputs, 12 PWM channels, and built-in LiPo charger. FCC/IC/TELEC certified for production BL

Nordic nRF52832 ARM Cortex-M4F @ 64 MHz64KB SRAM512KBBLE BLE 5.0
~$25View

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