Recently introduced by u blox, two new Bluetooth low energy (LE) modules, compliant to the latest Bluetooth 4.2 specification and certified to global radio type approvals, provide the ability for sensing and control applications to be embedded on top of the module stack. The modules are available in two versions: NINA B112 (10 x 14 mm) with integrated antenna, and NINA B111 (10 x 10 mm) with an antenna pin designed for customer specific antenna solutions.
Featuring an embedded ARM Cortex M4F microcontroller, a Bluetooth LE stack and support for ARM mbed, the modules and their evaluation kit (EVK) are open for designers who wish to embed their own application on top of the Bluetooth low energy stack.
The latest Bluetooth 4.2 specification offers enhanced connection security capability, IPv6 and faster throughput compared to previous versions. The modules are also ready to support the future Bluetooth 5.0 specification by means of a firmware upgrade. Their application memory – 512 KB Flash and 64 KB RAM – allows for firmware upgrades to be performed over the air (OTA).
With the u blox Serial Port service preloaded, NINA B1 enables fast integration into devices running serial protocols. AT commands, compatible with other u blox modules, keep configuration efforts to a minimum. NINA B1 has advanced power management features to keep the power consumption down to 400 nA with wake up on an external event, 2 µA during idle state, and 5 mA (at 0 dBm) at 3,0 V d.c., during transmission. With integrated NFC capability, the modules may be used to support touch-and-pair use cases for simplified Bluetooth pairing.
The modules comprise a complete standalone Bluetooth low energy product and do not require any additional hardware. Sensors, accelerometers, LEDs and other sensing and control devices can be connected directly to the modules via GPIO, ADC, I2C, SPI and UART interfaces.
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