Realtek RTL8720CM development board with an ARMv8-M (Cortex-M4 equivalent) KM4 MCU, 802.11b/g/n Wi-Fi, and Bluetooth 5.0, targeting low-power IoT applications. Exposes configurable GPIOs for peripheral connections.
| Pin | Type |
|---|---|
| 3V3 | Power |
| GND | Ground |
| GPIO | Signal |
| UART | UART |
| SPII2C | Signal |
UART · SPI · 3.3 V · 5 V · Breakout
Seeed describes MDBT50Q-1M and MDBT50Q-P1M as Bluetooth 5.0 / BLE modules based on Nordic nRF52840, with GPIO, SPI, UART, I2C, I2S, PWM, …
Module pins: 3V3, GND, GPIO, UART, SPI/I2C. Schematik maps them to your board in the app.
BLE 5-era modules (nRF52840, MDBT50Q), XIAO MG24 boards with Matter-over-Thread, Bluefruit UART/SPI bridges, HM-11 serial modules, and BLE sniffers cover different jobs and different hosts.
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Adafruit Feather nRF52840 Express visual previewAdafruit Feather nRF52840 Express
Audio & BLE/SPP Pass-through Module - Bluetooth 5.0 visual previewAudio & BLE/SPP Pass-through Module - Bluetooth 5.0
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BLE Micro EVB - Bluetooth 4.0 Device visual previewBLE Micro EVB - Bluetooth 4.0 Device
600-6000MHz 5G Antenna visual previewAdafruit FONA GSM breakouts, the Gravity Air780EU 4G Cat 1 module, Dragino NB-IoT Shield-B8, Pycom FiPy, Quectel and SIMCom M.2 5G modems, and the RockBLOCK 9603 Iridium modem each target a different network tier.
Wireless & comms · Cellular · 58 parts
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Wireless & comms · GNSS & GPS · 68 parts
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Wireless & comms · LoRa & RF modules · 94 parts
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Wireless & comms · Wi-Fi & networking · 26 parts