The BLE-Nano 4.2 Devlopment Board is an Arduino Nano compatible microcontroller board that integrates a CC2540 Bluetooth Low Energy 4.2 chip directly onto the same PCB as the ATmega328P-MU microcontroller. This gives the board standard Arduino Nano pin compatibility with 22 digital I/O pins, 8 analog inputs, 6 PWM outputs, 32KB flash, and 2KB SRAM — while adding wireless BLE 4.2 connectivity without needing a separate Bluetooth module. The arduino nano ble combination in a single compact form factor significantly reduces project wiring complexity for IoT builds.
The Type-C USB interface is a major practical upgrade over the Mini-USB connector found on original Arduino Nano boards. Type-C cables are reversible, more widely available, and less prone to connector wear than Micro-USB or Mini-USB alternatives. The ble nano board programs via the Arduino IDE using the same workflow as a standard Nano — no special driver configuration is required beyond standard CH340 or FTDI USB-serial setup. One trade-off: the CC2540 BLE 4.2 chip requires its own firmware and AT commands for Bluetooth operation — it is not automatically accessible from Arduino sketches without additional setup.
The non-obvious technical detail is the difference between this integrated design and adding a separate Bluetooth module — those are Classic Bluetooth, not BLE. The arduino nano type c ble 4.2 board targets BLE-only applications like heart rate monitors, proximity sensors, and low-power IoT sensor nodes that need BLE rather than classic Bluetooth pairing. The ble 4.2 development board is popular with Indian engineering students for IoT project submissions and wireless sensor prototyping.
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Features:
- CC2540 BLE 4.2 chip integrated directly onto Arduino Nano footprint PCB
- ATmega328P-MU MCU provides 32KB flash and 2KB SRAM for sketches
- Type-C USB interface replaces fragile Mini-USB with reversible connector
- 22 digital I/O with 6 PWM outputs covers motor and LED projects
- 8 analog inputs A0 to A7 support multi-sensor IoT data acquisition
Technical Specifications:
Applications:
- BLE-Nano 4.2 Development Board used for IoT wireless sensor node project
- College project builds arduino nano ble proximity detection system prototype
- BLE heart rate monitor project uses cc2540 bluetooth module for data
- Arduino nano type c board used for low power BLE beacon build
Package Includes:
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1 x BLE-Nano 4.2 Development Board
Yashwant Mehra –
Fully compatible with arduino nano board and works reliably for wireless communication projects
Nikhil Rathore –
Will order again
Aditya Karmakar –
Original product received
Saurabh Venkatesh –
USB Type-C interface provides fast connectivity and power, making it suitable for low-power wireless applications
Mohit Sachdeva –
Trusted STEM store
Priyanka Tiwari –
Quick delivery service
Rituja Patil –
Received this BLE-Nano 4.2 Development Board with bubble wrap packing, technical support was helpful and secure UPI payment, process was smooth and convenient.