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Seeed Studio XIAO nRF54LM20A Sense Wireless Development Board
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The Seeed Studio XIAO nRF54LM20A Sense Wireless Development Board is a compact, ultra-low-power development board designed for next-generation IoT, wireless, and edge-sensing applications.
Powered by the Nordic Semiconductor nRF54LM20A SoC and paired with the nPM1300 power management IC, it combines advanced wireless connectivity with integrated battery charging and efficient power regulation.
The board supports Bluetooth LE 6.0, Matter, Thread, Zigbee, and 2.4 GHz wireless communication, making it a versatile choice for connected devices and smart applications.
With 28 GPIOs, USB Type-C, NFC, an IPEX4 antenna connector, a 6-axis IMU, and a digital microphone, the XIAO nRF54LM20A Sense provides the hardware flexibility needed for sensing, wearable, automation, and edge IoT projects. Its ultra-low-power design, with deep-sleep current as low as 4.76 µA, makes it especially suitable for battery-powered and always-on wireless devices.
| Specification | Details |
|---|---|
| Product Name | Seeed Studio XIAO nRF54LM20A Sense |
| Chipset | nRF54LM20A / nRF54LM20B |
| Processor | Arm® Cortex®-M33 @ 128 MHz; RISC-V 128 MHz Coprocessor |
| RAM | 512 KB |
| Flash | 2 MB Non-volatile Memory (NVM) |
| External Flash | 8 MB onboard external flash |
| PMIC / Battery | nPM1300 PMIC for power regulation and battery charging |
| Interface | 28 × GPIO, 9 × Analog, 1 × I²C, 1 × UART, 1 × SPI, 1 × NFC, 1 × SHPHLD |
| Onboard Features | RGB User LED, Charge LED, Reset Button, User Button, IPEX4 Connector, 6-Axis IMU, PDM Microphone |
| Wireless Connectivity | Bluetooth LE 6.0, Bluetooth Mesh, NFC, Thread, Zigbee, Matter, Amazon Sidewalk, Proprietary 2.4 GHz Protocols |
| Power Input | USB Type-C: 5V; Battery: 3.7V |
| Light-Sleep Current | ~9.96 µA |
| Deep-Sleep Current | ~4.76 µA (System OFF) |
| Deep-Sleep with GRTC Wake-up | ~4.92 µA |
| Ship Mode Current | 0.33 µA |
| Software Compatibility | Nordic nRF Connect SDK, PlatformIO, Zephyr RTOS |
| Working Temperature | -20°C to 70°C |
| Dimensions | 21 × 17.8 mm |
| Available Version | XIAO nRF54LM20A Sense Pre-soldered |
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
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While the product has always been good and have never found a faulty one, the experience of purchase from Robocraze has also always been a wonderful one. On time delivery, well packaged, no follow up or reminder, easy tracking etc. Great work team, keep it up !!
It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
Components are good - nice packing
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