Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi all,
I'm currently working on a project that requires UART communication, and I'm actually focusing on current consumption.
For context, my device only needs to listen...
Im trying to delete button nodes but Im getting errors
devicetree error: /aliases: undefined node label 'button0'
Tried a bunch of different approaches. Deleting unwanted...
Hi everyone.
I would like to know can I skip the system initialize for bluetooth stack , until I need to use the BLE stack to peripheral application ?
I have a project...
Hi!
We have two similar nRF52840 boards and want them to talk via nus_client and nus_server.
At the moment, we consider connection established after client receives the...
Hello,
I am using the AWS IoT library and I came across an issue when downloading a new image (FOTA) from AWS. The FOTA process starts so the image is downloaded up to 50...
Hi eveyone,
I try to using ncs DTM example , but I get error reset with following message. what is the meaning for MPSL ASSERT: 2, 80 , I cannot found any related info...
How do I get to the point that I can print a simple "Hello World" on a terminal from a custom board?
I have a custom board the is based on the nrf5340. Specifically, I am...
Hi,
we are working on a nrf52840 based device, which has an external mx25r16 flash (via SPI), having 3 partitions for: secondary-image, mcu-scatch-partition and application...
The informational section of Lesson 6 uses the "Controller/Target" nomenclature for I2C devices, but question 2 of the Quiz requires the use of "Master/Slave" nomenclature...
Hello,
I'm trying to achieve a rather simple program with three steps.
I initialize the SAADC to sample three channels (currently I only have one setup)
I "arm/prepare...
Hi,
In NRF52840, We use LFXO Oscillator (KJ3270001). We did not connect any crystal or Oscillator for HFCLK.
1) What will be the clock source for SPI and I2C communications...
Hi,
We've been working on taking the distance measurements from the nrf_dm sample and displaying them on a waveshare e-paper 2.13 in display. We've been able to get both...
