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nrf52840dk getting I2C error code -5 with bme280 (Lesson 6 DevAcademy) even with the solution code. 0

I am working my way through the DevAcadmy (nRF Connect SDK Fundamentals) using an nRF52840 development kit. In lesson 6, exercise 1, I try to get an I2C with a BME280 to...
- development
- software
- nrf52840
- twi
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0 replies

Started 3 hours ago
by IoT-Dani
Not Answered
nRF52833, Using MCUBoot with an external at45db641e flash drive for DFU 0

We are trying to understand whether it is possible to use our external flash drive at45db641e to implement DFU and then load the application firmware via Bluetooth. As far...
15 views

0 replies

Started 11 hours ago
by Stas Jis
Not Answered
Custom Beacon Type ID? 0

Just a quick one as I couldn't find it on google. I'm going to implement a beacon like broadcaster but one not based on location. It'll probably be a uuid, a random identifier...
18 views

0 replies

Started 11 hours ago
by snoopy20
Not Answered
Can't Debug nRF52810 throuth ST-link 0

I use example from nrf52 SDK. project path:nRF5 SDK\nRF5_SDK17.1\examples\ble_peripheral\ble_app_uart\pca10040e\s112\arm5_no_packs. emulator: ST link V2 but no target...
26 views

0 replies

Started 17 hours ago
by josip
Not Answered
Data loss occurs when using TCP to send data on the nRF7002 DK. 0

Hi I am using the nRF7002 DK with NCS 2.7, based on the sample project `nrf70-wifi-ble-image-transfer-demo`. I modified the code to embed a fixed image as a header file...
18 views

0 replies

Started 19 hours ago
by Ziyao Zhou

Recent in the DevZone Blog

The S110 7.3

Asbjørn Sæbø

We are now releasing the S110 7.3 (s110_nrf51822_7.3.0). This is a new production release in the S110 7.x series. (It will be uploaded today or early next week.) This is a bugfix release - as the release…
- 5 Jun 2015
A presentation on how nRF51 DFU works

Hung Bui

Hi, I attached here some slides that we used in our technical seminar for Device Firmware Update. Download the presentation here: DFU_SDKv8.0_Pub.pdf The presentation covers: What DFU is and what…
- 4 Jun 2015
Parse MQTT message in Wireshark for IoT test

Jun Qing ZOU

Wireshark (version 1.12.5 at the time of writting) lists MQTT as supported protocol but could not parse it from the TCP payload by default. We can add some plugins to enable it. Download the Wireshark…
- 26 May 2015
Upgrade RADVD for IoT on Raspberry Pi 2

Jun Qing ZOU

The RADVD deamon in Raspberry pool is version 1.8.5 (up to Raspberry 2015-02-16). root@raspberrypi:~/radvd# apt-cache policy radvd radvd: Installed: 1:1.8.5-1 Candidate: 1:1.8.5-1 Version table…
- 25 May 2015
Workaround needed for TWI driver (nrf_drv_twi) in SDK v8.1 (TWI_COUNT missing)

Hung Bui

In SDK v8.1 we added the TWI driver (nrf_drv_twi.c). Unfortunately the nrf_drv_config.h file wasn't updated correctly with the new driver. The symptom is the error with "TWI_COUNT is missing". Here…
- 20 May 2015
Common FAQs on DFU

Hung Bui

If you are looking for a place to get started with DFU, please have a look at this presentation here and the tutorial here. In this post, we cover some in depth Q&A topics regarding Device Firmware…
- 15 May 2015