SKU: IOWC-0118
📋 GST Invoice Available

Generic Promicro NRF52840 Development Board

₹759.00 (Inclusive of all taxes)
Out of Stock

The Generic Promicro NRF52840 Development Board is a compact ARM Cortex-M4F platform featuring Bluetooth 5.0, Zigbee, and Thread support. With a Pro Micro pinout and native USB-C, it’s designed for low-power IoT, wearables, and wireless sensor node development.

Features

  • Nordic Semiconductor NRF52840 SoC with ARM Cortex-M4F core running at 64MHz for robust wireless processing.
  • Multi-protocol wireless support for Bluetooth 5.0 BLE, Zigbee, and Thread for flexible IoT connectivity.
  • Low-power operation with standby current as low as 1mA, ideal for battery-powered embedded applications.
  • Pro Micro-compatible 24-pin form factor for seamless integration into existing Arduino and custom projects.
  • Integrated 1MB Flash and 256KB RAM for ample program and data storage in complex firmware.

Out of stock

Description

This Promicro NRF52840 Development Board leverages the Nordic Semiconductor Semiconductor NRF52840 system-on-chip, a premier solution for advanced Bluetooth Low Energy and IEEE 802.15.4-based mesh networking. The ARM Cortex-M4F processor provides the computational horsepower needed for protocol stacks like Bluetooth 5.0, Zigbee 3.0, and Thread, while the integrated floating-point unit accelerates sensor data processing.

Engineered for energy efficiency, the board supports multiple low-power sleep modes, making it suitable for always-on wearable devices, remote beacons, and industrial telemetry nodes. The native USB-C interface simplifies firmware deployment via a drag-and-drop bootloader and provides a direct communication channel for debugging and data exchange without external programmers.

Key Features

  • Multi-protocol wireless radio supporting Bluetooth 5.0, Zigbee, Thread, and ANT for diverse IoT network topologies.
  • High-performance 64MHz ARM Cortex-M4F microcontroller with FPU for efficient signal and sensor data handling.
  • Substantial onboard memory with 1MB Flash and 256KB SRAM for complex application firmware and OTA updates.
  • Ultra-low power architecture with deep sleep modes, enabling years of operation on coin-cell or LiPo batteries.
  • Pro Micro (Arduino Leonardo) compatible pinout with 18 GPIOs, including ADC, PWM, SPI, I2C, and UART interfaces.
  • Integrated hardware security features including AES-128/256 encryption, SHA-256 hashing, and a True Random Number Generator (TRNG).
  • USB-C connector for robust power delivery, programming, and serial communication, supporting USB CDC.
  • Compact, breadboard-friendly footprint (approx. 33mm x 18mm) for prototyping in space-constrained enclosures.

Applications

  • Bluetooth 5.0 Beacons & Proximity Sensors for asset tracking and indoor navigation.
  • Wearable Health & Fitness Devices leveraging BLE for smartphone connectivity.
  • Zigbee or Thread-based Smart Home Automation nodes and sensors.
  • Low-Power IoT Sensor Nodes for environmental monitoring (temperature, humidity, air quality).
  • HID Devices like custom keyboards, game controllers, and presentation remotes.

Technical Specifications

Microcontroller / SoCNordic Semiconductor Semiconductor NRF52840 (ARM Cortex-M4F @ 64MHz)
Wireless ProtocolsBluetooth 5.0 BLE, 802.15.4 (Zigbee, Thread), ANT
Memory1MB Flash, 256KB RAM
Supply Voltage3.3V (via USB or external pin)
Operating Current (Active)~5-10mA (typical)
Standby / Sleep CurrentAs low as 1μA (deep sleep), ~1mA (standby)
InterfacesGPIO, ADC (8-bit/10-bit), PWM, SPI, I2C, UART, USB 2.0 (CDC)
USB ConnectorUSB Type-C
ProgrammingUSB Bootloader (UF2), SWD Debugging
Dimensions (approx.)33mm x 18mm x 5mm (L x W x H)

Frequently Asked Questions

How do I program the Promicro NRF52840 board?

You can program it via the onboard USB-C port using the UF2 bootloader. Connect the board via USB, it will mount as a storage drive. Drag and drop a compiled .uf2 firmware file onto this drive to flash it. For advanced development, you can use the Arduino IDE with the Arduino-nRF5 or Adafruit nRF52 BSP, PlatformIO, or the official Nordic Semiconductor nRF Connect SDK with Segger Embedded Studio for low-level access.

What is the power supply requirement and how do I run it on batteries?

The board operates at 3.3V. You can power it directly via the USB-C port (5V regulated down to 3.3V) or by supplying 3.3V to the VCC pin from an external regulator or LiPo battery. For ultra-low power battery operation, utilize the NRF52840's built-in power management and put the chip into System OFF or deep sleep modes, where current draw can drop to microamps, significantly extending battery life in sensor applications.

Can I use this board for Zigbee or Thread mesh networking projects?

Yes, the NRF52840 SoC natively supports the IEEE 802.15.4 radio standard, which is the foundation for Zigbee and Thread protocols. To develop Zigbee applications, you would use the Nordic Semiconductor nRF5 SDK for Thread and Zigbee or the Silicon Labs EmberZNet stack (if ported). For Thread, you can use the OpenThread stack integrated into the nRF Connect SDK. These require setting up the appropriate development environment and compiling the network stack with your application code.

Package Includes

  • 1 x Promicro NRF52840 Development Board

Additional Information

Weight 0.03 kg
Dimensions 5 × 5 × 2 cm