Greetings!
I am using Wireshark along with an nRF52840 dongle to monitor BLE traffic between a mobile app and connected peripheral and periodically I see some "L2CAP Fragment...
Hello, I am using the nRF54L15 board, and trying to connect to the Adafruit SHARP 400x240 monochrome LCD display .
I got the display driver alone to function just fine after...
Hi,
I am trying to perform a DFU using SMP over BLE. My setup has NSIB and MCUBoot enabled and thus I am able to perform DFU for MCUboot and Application using nrf device...
Hi all,
I'm trying to use uart2 on my custom nrf9151 board, but I'm stuck. As I understand, I use i2c1 so I can't use uart1 and i2c1in parallel, so here is why I wnt to...
Hi - I am seeking clarification on a topic as I am a little unsure on the correct way to do things.
I'm using an nRF52840 and porting an old Firmware from nRF5 SDK to NCS...
Second part of the series Writing Bluetooth LE firmware the easy way blog. This second part shows how to read and advertise the environment sensor data (BME280 using Motsai Neblina module and BME680 using…
The first generation of wireless PC accessories to achieve widespread success (the ones that shipped with a dongle in the box) adopted 2.4GHz radios because these radios offered the optimal trade-off between…
Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
Hello
I wrote a tutorial on using the nrF52 Development Kit with Keil MDK.
www.keil.com/appnotes/docs/apnt_308.asp
This document features essential debugging capabilities of the nrF52 series.
ETM Instruction…
1.Profile
During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。
SCAN_REQ: Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE,sent by the Link Layer…
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MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…