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...
Is there a Hardware Design Guidelines white paper for the nRF52840? I'm looking for something similar to what is available for the nRF9160. For example, this:
https://infocenter...
when I used simulator in keil5 for NRF51 software debug, there is a problem : *** error 65: access violation at 0xFFFFFFF4 : no 'write' permission. When I used the keil5 command...
Hi,
I am using nrf52840 DK and SDK version 17.0.2. I want to write data into particular address location(application area) of the flash using fstorage. It is writing the...
Hello ,
On NRF52840 DK my logger works fine and I get no problem with printf(). However, on my custom board the program goes into hard fault with the following :
0x4001...
Hi there,
I'm using nrf52840 DK and Custom board, SDK 15.1.0, Segger Embedded Studio(SES v5.20)
my issue is when i receive data from uart interrupt based on serial uartes...
Hello Guys,
I'm developping and st7789 IPS screen driver and i'm having problem with SPI0 . I'm using NRF52840 DK 2.0.1
First I took SPI example from sdk 17.0.2 configured...
Hello All,
I am using SES on BMD340 controller with FreeRTOS project.
After few modification in the code, I am facing *.elf doesn't exist during linking stage. There...
On a nRF52833 on a custom PCB, due to space and allocation limitations, I need to run UART Rx and UART Tx over GPIO pins that are limited to standard drive, low frequency...
Dear all,
I have a NRF52832 module (EBYTE E73) and before yesterday, everything was fine.
We had a outdoor test last week and till then, everything was fine.
After...
I've tried this with both 1.5.0 and 1.5.1, with the same results. I install the SDKs using the toolchain manager, and when the installation finishes I open a bash shell, also...
I'm learning how to use OTA DFU on Win10 laptop. I followed this and this guide step by step. I have a couple of questions:
1) (See below code) How to use " arm-none-eabi...
I've recently purchased a Thingy:91 and wasn't able to update its firmware via nRF Connect. I'm guessing this is because that there is no MCUboot on the Thingy:91 that I have...
Have a USB powered Chengdu Ebyte nRF52840 Dongle (PCA100059-style) that has the following:
- USB 5V
- VBUS pin : connected directly to USB 5V
- VDD pin: not connected...
Hello Nordic!
I've been implementing some more commands in my endpoint handler but (I don't know how) it has stopped working. I have added the responses of the commands...
