BLE Wireless Heart Rate Collector

Wanting to learn more about creating embedded Bluetooth Low Energy (BLE) firmware, I recently purchased a Nordic nRF52840 dev kit shown below.

Nordic nRF52840 DK Development Kit

I also purchased an inexpensive BLE heart rate monitor and a small OLED display from Adafruit to use with the nRF52840 to display realtime data from the hea…

Date: August 31st, 2019 at 4:24pm
Author: Terence Darwen
Tags: Embedded, BLE, Bluetooth Low Energy, Heart Rate Collector, Heart Rate Monitor, Nordic, nRF52840-DK, ARM Cortex-M4, SSD1306