we also produced self PWM for ADC wave form testing. when we stop transmission, we will get good waveform out, but when we starting transmission, output waveform shape is...
Dear Support,
I have some troubles with the Evaluation Kit for nRF51822 :
I use the broad as a central role with S120_nrf51822_1.0.0_softdevice.hex and example...
Suppose a nRF9E5 transmitter is set for continuous transmission on a channel.
A nRF9E5 receiver listening on that channel:
finds carrier and sets CD
finds address...
I will be deploying my nRF51822-powered devices into the field and the end user will not be able to have any physical access to, for example, power cycle the board. I need...
Hi,
We are using the ble_app_uart example in evaluation board to read data from some sensors and send it to the nRF UART V2.0 in Android 4.4. Every 20 ms I am trying to...
I am try this at nrf51_sdk_v6_0_0_43681\nrf51822\Board\nrf6310\s110\ble_app_hids_keyboard
Firt I connect to Android device and keep one whitelist.pp_addrs and one whitelist...
So, i have been trying to perform a DFU over serial using the method mentioned here by Hung Bui.
Here is a summary of what i did:
- build and flash mcuboot
- build and...
I am using pc-nrfutil to perform FW upgrade (transport is serial), The target is custom board with 52840 processor, running Bootloader adapted from the SDK.
For most of...
I've configured the SPI with DMA module as in the code below.
I've loaded the tx buffer with sample data and start the transaction; however, I'm not reading anything either...
Hello,
I have been working on porting the BLE UART PHY S erialization to the STM32L476 (with a Nordic NRF52832 Dev Board and STM32L476 Nucleo-64). I have read the porting...
Dear Nordic,
Running BLE mesh sensor network with multiple servers and a single client linked to a gateway.
SDK: 16.0.0_98a08e2
SDK Mesh: v4.0.0
nRF52840
The client...
I'm attempting to using pa_lna_setup(), specifically the softdevice function sd_ble_opt_set to enable/disable the radio and an external amplifier. My application is a custom...
Hi All,
Im trying to flash the pre boot-loader from here github.com/.../releases
to my nordic usb dongle.
hex-> mdk_nrf52840_dongle_bootloader-0.3.2_s140_6.1.1.hex Im...
Hi Team,
We are using the uECC library for ECC Functionalities, while connecting the debugger we are getting the pop up message like "not finding the source file".But while...
Hello guys,
I have nRF9160DK board here with me and the nRF Connect SDK v1.3.0 environment installed. I want to connect to AWS IoT Thing through the MQTT connection.
I...
When I was testing USB on SDK16.0 with nrf52840, the gateway acted as the host, the following scenario 1 worked abnormally, and scenario 2 worked normally.
Scenario 1: When...
I am using NRF5 on an NRF52840 board, building under GCC. My application needs FreeRTOS and I also need to be able to use stdlib functions such as printf() from any RTOS task...
Hi
I am reading the Irms and Vrms data from the register 0x20 so i am using nrf_drv_twi_rx(&m_twi, ACS71020_ADDRESS, m_sample, sizeof(m_sample)); where we specify only device...
Dear DevZone,
I developed an application based on ESB wireless communication protocol for the nRF52840, and I would like to perform an OTA DFU with it.
I read in this...
This has been noted a couple of times but your treatment of bit fields is just wrong in the bootloader. It not only disagrees with the documentation but it's so flawed that...
Description:
nrfutil and especially the pc-ble-driver-py seem to not work with virtual pyenv environments.
I am expecting it has something to do with the lib files _nrf_ble_driver_sd_api_vX...
