i2c_write_read() returns -5 (EIO) immediately when writing register 0x01 to the sensor. Logic analyzer confirms the sensor clock-stretches SCL for ~14µs+ after receiving the...
Hello Nordic Support,
I am currently re-qualifying our Bluetooth product in Bluetooth SIG Launch Studio because we had to migrate from NCS SDK 2.1.4 to 2.9.2 due to a security...
I recently completed a field-upgrade path from an nRF5 SDK 17.1 application (with the legacy Secure DFU bootloader) to a fresh NCS-based firmware stack, while preserving user...
Hi
I'm working on a new project using the nRF9151 SMA DK and I have some questions that I haven't been able to answer by searching this forum or reading through the documentation...
Hello,
We are currently evaluating BLE Gateway (CIS, BIS) development using the nRF5340 Audio DK.
We would like to ask whether bidirectional CIS streaming is officially...
Hello Nordic Team,
I am currently investigating the feasibility of building an RTLS (Real-Time Location System) based on trilateration using the new Bluetooth Channel Sounding...
I've built the softsim external profile from Onomondo and it works. But when I try to incorporate it into the app I'm currently developing, it renders the code unable to boot...
hi everyone, I am new to developing apps for nrf51822, and currently I want to learn first, I tried to google a lot around and could not look for the right resources, it would...
hi,
I would like to connect hid keypad with ipad,phone5s and android phone(all these have Bluetooth version 4 )but i couldn't connect this.ie, The nrf51822 module advertising...
I attempted to capture a waveform when running the SPI master example on nFR52 SDK/PCA10040. The source code I have as default and showing as follows
#define SPI0_ENABLED...
Hello,
We are working on a project that includes a countdown but we could not able to do it. Simply we want to do this:
Nrf51822 receives a signal-->run our funcion...
Recently, I've built up the latest OpenMesh v.0.85 example among 3 pieces of nRF51DK successfully. For my application, I would like to increase the data payload, is it possible...
Hi,
I am using Gazell for communication between two nodes. The first node is sending a sensor reading to the second node (which will be called henceforth the sink node...
Hello everybody
I have a nRF905 circuit sealed in a different medium than air and I am facing an 8 dBm power loss after sealing. I would like to know the following: Is...
Hi
I am using PhoneGap Build with BLE plugin to develop iOS/Android APPs for nRF51822 , it is a easy way to develop a BLE APPs by JavaScript. Unfortunately, I can't find...
Hello,
We have recently been playing around with the NRF51822 Beacon and we liked the way it works. So there is one thing we are very curious about: is there any cheaper...
As the followup/implementation to this question
I want to implement a multirole application for the PCA20006 (rev 1.2).
Currently I will only need advertising for my data...
Hi,
I have made a custom board using NRF51822CEAA, following the reference design. Some modules are working properly. But I'm facing following issues on some boards.
...
I am having a strange issue with running BLE DFU on a project that I can't seem to work out. This an S132 v2 project with SDK11.
If all I do is program the softdevice and...
Hello,
I have read the questions on power optimizations in nrf chips:
devzone.nordicsemi.com/.../
devzone.nordicsemi.com/.../
I wanted to use SDK11 example ->...
Dear all,
I'm a quite new BLE stack user and need to get some idea on the idea behind service discovery.
I'm using the S130 and the BLE central example and want to read...
Hi,
We are going into mass production with our first product and would like some expert advice on what is the best approach.
1.) Since we would be doing production tests...
