Hi,
We designed the circuit followed the reference circuit(QFN48), but we always failed in the 8kv ESD test.The CPU always reset while ESD testing.
The 8kv ESD power...
Does anybody got an app inventor2 "project" to communicate with the (Adafruit) Bluefruit LE UART (or SPI) ?
Note: my Android version is 4.4.2 (LE "advertising" not supported...
I've created a Secure DFU client using the multilink central example with S130 and SDK 12.2 (running on PCA10031).
There are a few issues we have trouble with.
The...
Hi,
After successfully managing to preserve our devices bonding information (and custom app context data) across DFU updates, we have a few related questions.
I should...
I would appreciate some suggestions on a good development flow to go from an Example to end application
I have nrf52832 on a custom PCB.
I tested several sdk13.0.0 examples...
If anyone will ever have this error:
When using c++ and singleton the use of operator new is not possible.
I found the solution in this post: forum.arduino.cc/index.php...
Hi I am using Jlink board, when connected to my pc, I can't select nRF5x programming.
Version I am using is 1.20.0.2. I tried the uninstalling everything and installing....
To the kind attention of Nordic support team,
reading this https://devzone.nordicsemi.com/f/nordic-q-a/39630/windows-command-line-dfu-over-ble-with-pca10059 thread,
I...
Hi, I'm using the Cyclone FX programmer to program our custom boards with the NRF52840 chip, but after programming all the hex files, the application starts straightaway bypassing...
I want to use a timer to generate a Manchester data. The fastest data rate is 3.906 K-bit. So I want to generate a timer interrupt once 128 uS. Can anyone guide me how to...
Hi,
I am using Laird's BL654 USB dongle based on the nrf52840 and would like to convert the peripheral USBD BLE UART example ( https://infocenter.nordicsemi.com/index.jsp...
Good day!
52840 datasheet states " If the power failure warning is enabled and the supply voltage is below the threshold, the power-fail comparator will prevent the NVMC...
After the MTU size exchange of 247 bytes with Android LL_LENGTH_REQ/LL_LENGTH_RSP are exchanged with 123 byte octets for TX and RX. Data flows properly after that.
But with...
Hello,
I'm working on NRF52840 drivers for custom hardware using Nordic's FatFS / SDIO drivers and a tickless FreeRTOS configuration. When I load the demo code (fatfs demo...
Hi There,
ISSUE:
New Nordic Thingy:91 will not connect to the LTE network, it is giving "LTE link could not be established." and then rebooting.
Things I have tried...
Hi All,
I'm working on adding simple melodies (2-5 tones) to my app using the I2S module and i'm facing some problems:
How do i determine the tone?
Can i determine the...
The supl domain name doesn't resolve.... SPM: NS image at 0xc000
SPM: NS MSP at 0x20027508
SPM: NS reset vector at 0xe965
SPM: prepare to jump to Non-Secure...
To the kind attention of Nordic support team,
Let's please consider this scenario:
PCA10040 with ble secured bootloader already installed
PCA10056 with usb bootloader...
I'm confused by this because I believe I am writing to the correct LED Characteristic. The code looks like:
...
if characteristic. properties . contains (. write ) { ...
Hi
I would like to use an ENUM and STUCT within my application to maintain device state (IDLE, RUNNING etc). This state needs to update a BLE Characteristic. I have the...
Hi
I'm currently testing a microphone, I only want ADC reading from it to show how loud the sound is, so kinds like volume.
If I only using simple ADC to read the number...