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'm using nrf52 with s132(v17.0.0).
When I connect nrf52 with my phone, there is error like this picture.
And, the code is
When the buffer is filled, then...
Hello.
When I use NRF_SAADC_INPUT_AIN7 in SAADC, I get an error in calling nrf_drv_saadc_channel_init(). Looking at nrfx_saadc_channel_init() in nrfx_saadc.c, it seems to...
Hi,
In order to determine signal strength we parse the AT+CESQ response and regularly get +CESQ: 99,99,255,255,255,255 (the final number being the strength), but the connection...
Hi,
1、If I want to devlop zigbee with nRF52840, whether the only one sdk series is `nRF5_SDK_for_Thread_and_Zigbee_xxx` ?
2、Can BLE coexists with Zigbee in a nRF52840...
Hi,
I am using a nRF52832 module to receive some data from another nRF52832, which is sending the digitalized data to the receiver. My receiver consists of a nRF52832 module...
Hi guys,
I am trying to add some BLE OTA functions to my NRF52833 running Zigbee. I have looked into the examples in the SDK, and i can see that there is an example for...
1. Please provide the latest nRF52810-QCAA-R rohs and reach. 2. I did not find the latest nRF52810-QCAA-R rohs and reach at info. 3. The picture shown is older for the customer...
It appears that the current order of articles returned when searching the https://infocenter.nordicsemi.com/index.jsp is ascending (or no order) It would be VERY helpful if...
I am using raspberry pi to communicate with nrf52840 My rpi is used as msater, nrf52840 is used as slave My nrf52840 is implemented as SPI slave under zephyr OS At present...
Hello,
I'm developing a bootloader based on the one included in SDK 13.1. It is now restarting due to an NRF_ERROR_NO_MEM that I'm not sure where it's coming from. It must...
I'm porting my system from 1.2.0 SDK to 1.4.2. The GPIO API has changed quite a bit. I have this problem that when I'm enabling some GPIO to be on interrupts, it seems to...
We are eplanning to include a simple DoA or DoD estimation in our device for BLE bracelet doirection detection. One partner claimed that nRF 52811 can't be used for this purpose...
