![]() ![]() The USB interface supports any USB device class you can imagine, including communication device class ( CDC, USB-to-serial), mass-storage device ( MSC, removable flash-drives), human-interface device ( HID, keyboard/mouse), and audio. Nordic's nRF52840 builds on their nRF52832 by adding a heap (pun intended) of memory, but the most significant addition is that of built-in support for Full-Speed USB 2.0 interfaces. Peripheral-multiplexing - (Nearly) any pin can support any of the above features!.Real-time clock (RTC) - Keep close track of seconds and milliseconds, also supports timed deep-sleep features.PWM - Timer support on any pin means PWM support for driving LEDs or servo motors.Analog-to-digital converters (ADC) - Eight pins on the nRF52840 Mini Breakout support analog inputs.SPI - If you prefer the 3+-wire serial interface.I 2C - Everyone's favorite 2-wire bi-directional bus interface.UART - Serial interfaces with support for hardware flow-control if desired. ![]() This is a big add compared to the nRF52832! USB - Turn your nRF52840 into a USB mass-storage device, use a CDC (USB serial) interface, and more.Nordic's proprietary RF protocol - If you want to communicate, securely, with other Nordic devices.ANT - If you want to turn the device into a heart-rate or exercise monitor.Bluetooth Low Energy (BLE) - With peripheral and/or central BLE device support.Integrated 2.4GHz radio with support for:.256kB internal RAM - For your stack and heap storage.1MB internal Flash - For all of your program, SoftDevice, and file-storage needs!.ARM Cortex-M4 CPU with floating point unit (FPU).Just to top off a few of our favorite features, there's: Its list of features is exhaustingly-awesome. ![]()
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