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Custom board with nRF5340: after reset firmware does not run and SWD is locked 0

I'm using ncs 3.2.1 with a custom board (Holyiot-20046-v1.0). I used the "Create a new board" function in nRF Connect VSCODE to create the board file. I copied the Zephyr...
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0 replies

Started 2 minutes ago
by denis
Not Answered
Xiao Seeed nRF52840 Sense - problem reading microphone data 0

Hi all, I am having difficulties reading microphone data using built-in microphone at Xiao Seeed nRF52840 Sense. I have configured the overlay file as suggested here . Then...
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0 replies

Started 2 hours ago
by jaroslav.psenicka
Not Answered
board failed after update mfw_nrf9151-ntn_1.0.0-1.alpha firmware 0

I Just got nRF9151 SMA board, try to test NTN feature , after following instruction to update so called "alpha" firmware, somehow the board can not reflash back to any vesion...
12 views

0 replies

Started 2 hours ago
by SimonLou
Not Answered
nRF5340 PDM CLK waveform 0

Hi We use nRF5340, set GPIOs as PDM for DMIC device, and measure waveform as below The PDM DATA high level will decrease periodically Is this waveform normal? If yes...
31 views

0 replies

Started 5 days ago
by Poki Huang
Not Answered
RSSI on Fanstel module with FEM dropped after SDK upgrade 0

Hi! I just upgraded a product we developed using a Fanstel BT840X module (nrf52840 with a Skyworks SKY66112 amplifier) from SDK 2.3.0 to SDK 3.1.1 and I noticed that our...
36 views

0 replies

Started 7 days ago
by Glen M

Recent in the DevZone Blog

Now, uCXpresso.NRF provides the free evaluation license on the GitHub

Jason

uCXpresso.NRF is a RTOS C/C++ Framework, Features: Develop on Mac OS/X, Linux and Windows with LPCXpresso IDE (free). Multi-Tasking RTOS supported Enhanced BLE C++ framework Tickless Low Power…
- 12 Nov 2014
change device name through BLE

mira67

Build a custom BLE service and enable the write attribute Configure the characteristic "attr_char_value.max_len = MAX_LEN"; max_len should be larger than your device name In the BLE event…
- 11 Nov 2014
nRF51822/nRF51422 getting started and documentation overview

Stefan Birnir Sverrisson

BLE and ANT development kit Nordic Semiconductor offers the nRF51 series for BLE and/or ANT wireless connectivity. The nRF51 (nRF51422 or nRF51822) is a System on Chip, which means it has internal microcontroller…
- 30 Oct 2014
Keil in-line program through DFU BLE

scytulip

I am investigating Master Emulator API and found something interesting that can help you program your device through BLE DFU in Keil. This method calls the python script used in MCP. If you can use MCP…
- 29 Oct 2014
Nordic Semiconductor nRF51822 Firmware for Background Data Recording

scytulip

#Nordic Semiconductor nRF51822 Firmware for Background Data Recording Updating on https://github.com/scytulip/nrf51-back-rec Design Objective This firmware is designed for low-cost long-time low-power…
- 23 Oct 2014
Nordic nRF51822 ARM Cortex-M0 Development using emIDE

Hugh

Nordic nRF51822 ARM Cortex-M0 Development using emIDE To avoid the hefty charges with commercial compilers I tried emIDE with some success; here are the settings I used for the EV Kit Official emIDE…
- 22 Oct 2014