BLE Sniffer Basics + Comparison Guide (Updated 2026)
A BLE sniffer is one of the most crucial tools that every Bluetooth developer should have on hand.
nRF52840
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Bluetooth GATT: How to Design Custom Services & Characteristics [MIDI device use case]
A complete guide to designing custom Bluetooth LE GATT services and characteristics, with a hands-on MIDI device implementation example using the nRF52.
Master BLE Sniffing: nRF52840 USB Dongle & Wireshark Guide
Learn how to capture and analyze Bluetooth LE advertising packets with the nRF52840 USB Dongle and Wireshark, including setup, display filters, coloring rules, and custom Wireshark profiles.
Implementing Nordic nRF52 OTA DFU over Bluetooth LE - Part 4
Learn how to integrate Nordic Buttonless DFU into your own nRF52 application, generate signing keys, build a secure bootloader, create DFU packages, and perform over-the-air firmware updates via nRF Connect.
Zephyr Tutorial: Bluetooth Low Energy Development
What is the Zephyr Project? Zephyr is an open-source real-time operating system (RTOS) meant for use on resource-constrained embedded systems.
The nRF52840 USB Dongle Tutorial (Part 1)
Learn how to use the Nordic nRF52840 USB Dongle for Bluetooth LE development. Covers setup, nRF Connect for Desktop, programming, and using the dongle as a BLE Central and Peripheral.