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,
I am using nrf 52840 development board for developing mesh. I am using segger IDE in my windows 7 desktop for code flash to the board.
The SDK I am using is nRF5_SDK_15...
Hello to everyone.
I have a doubt about the function of NRF_LOG library in nRF52 DK. I´m trying to display the voltaje value from pin P0.26 on Termite, so I saw in this...
I have a eval board pca10040 and a custom board both having nrf52832 chip, on the eval board the nrf_sdh_enable_request function calls happens successfully with error code...
Hi Folks,
I am trying to get some data to persist past a reboot. I noticed the ram_retention_pca1004 example and it showed a simple assignment of:
NRF_POWER->GPREGRET...
Using SDK15.2 example ble_app_hrs, i need to transfer custom messages and values to the phone app so i want to use ble_nus service, i did everything as in the example ble_app_uart...
This PAN states:
"Conditions • GPIOTE is configured in event mode • TWIM/SPIM utilizes EasyDMA"
What is not completely clear are these two separate conditions? Or do both...
Hi,
I am using the 2 NRF52840 boards, rev 1. I am using SDK 15.2. The first board is running the NRFX_SPIM example. The second board is running the SPIS example. The rx_delay...
Hi,
I am trying to combine TWI and SPI peripherals to the ble_app_uart exmaple in SDK 15.2
I am facing the following error
.\_build\nrf52840_xxaa.axf: Error: L6200E...
Hi,
I'm exploring the HID keybaord example of nrf5 SDK V12.3.0, and get a problem:
I first connect my iphone to the device, and it's working, if the device is 'ignored...
I am working on a linux vm 16.04 and playing with the pc-ble-drive-js library. I recently got the board up and running and started looking at the heart_rate_collector example...
Hi,
without providing too much code right away, I would like to ask how I could circumvent AT command interface hangups. My current test application calls AT commands like...
Hi there,
I'm looking forward to improve our firmware in terms of power consumption. Therefore we would like to use Power Debugging mechanism which is support by IAR Workbench...
The example projects I am referring to is located here:
nRF5_SDK_15.2.0\examples\iot\mqtt\lwip\subscriber\pca10056\s140\ses\iot_lwip_mqtt_subscriber_pca10056_s140
nRF5_SDK_15...
Hi all,
I successfully ported the Semtech’s LoRaMac-node (from official GitHub, master branch) to a custom assembly of two dev boards : the NRF52832 (Dev Kit PCA10040) from...
Hi,
I am trying to use UART interface on a nRF9160DK board to connect a rs-232 to rs-485 module for the purpose to make nRF9160DK a Gateway.
But I have no idea where to...
