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 am working on CAN driver for the MCP25625 device, which communicates to the nrf9160 via SPI. I am following the SPI example https://github.com/Rallare/fw-nrfconnect...
Hi,
in the timeout_handler of app_timer_create, invoking function nrf_esb_write_payload(&tx_payload),The timeout_handler function won't come in again,why? timer cancel?
Dear all,
I am using NRF52832 for a mesh application. I utilize the light switch example for the project.
Description of my application:
1. We have 6 devices. They...
I am trying to integrate LPS22hb sensor n nrf52832. I am starting with twi_master_using_nrf_twi_mngr example(sdk15a->compents->drivers_ext->lps22hb)
I have added lps22hb...
Hello,
I have a device that samples data from a bunch of sensors every n hours, and that when in IDLE must consume around 100uA. To achieve this, I'm using a counter (that...
Hi,
I connected MCUBoot and FOTA to my project. I checked that the download is working, but not stable. I saw in the documentation that you can enable the continuation of...
Hello I need a falling edge response via GPIOTE. The settings I use for sdk 16 to sdk 14.2.0 do not work. For sdk 16 I use the functions nrfx_gpiote _..., for sdk 14.2.0 nrf_drv_gpiote_...
I observed a peak of 334 ua during system-on low-power mode during idle time which is periodic around 4 sec. I am using ble with RC clock option.
1.is it waking for calibration...
Previously, I learned that BLE is capable of 1:1, 1:N, and N:N communication, but I didn't get the exact information. Can I get some information? How do you do it, what's...
What is the max current nRF52840-DK source from Vdd pins, i am connecting multiple sensors through the Vdd of nRF52840-DK i want to know how much load it can source ?
Hello,
There is a problem printing the log message. I am using SDK12.3, keil compiler and segger J-Link. After modifying the project a little, normal log output is not available...
Does the nRF9160 have an ATEX component certificate? Why there is no marking such as "Ex ia IIC Ga" provided? What exactly do you understand by the term "ATEX compliance"...
After a conversation with a Nordic engineer and some research it looks like there is no official way to upgrade a product over the air from an nRF5 SDK based product to an...