Hello,
We run our Bluetooth Mesh product firmware in BabbleSim, on a simulated nRF52840 (nrf_hw_models, native simulator). We are on nRF Connect SDK v2.9.0. We would like...
An external MCU occasionally sends data to the nRF54L05 over I2C. Between transfers, the nRF54L05 should sleep and wake when addressed, without a separate wake pin.
What...
On a custom Zigbee End Device application for the Thingy:53 (NCS v2.9.3), ZCL Configure Reporting commands sent by Zigbee2MQTT are rejected with ZCL status FAILURE for almost...
Thanks in advanced. I'm immigrating projects into NCS bare metal v2.0.1. Sample Bluetooth ble_nus only advertises for 3 minutes, then device can't be scanned again. I check...
nRF54LM20 + nRF7002, NCS 3.4.1: SoftAP provisioning and station low power in one image
Our battery-powered product (no BLE antenna), removed due to space in the PCB and...
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…
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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…
1.Profile
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…