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...
Hello -
We are using the nRF52840-DK with the 15.3.0 SDK on FreeRTOS. Our application is configured for tickless idle and based on the ble_app_hrs_freertos example. I...
Hello,
I am using nRF52840, SDK_16.0.0, S140 SoftDevice and Segger 4.16 for flashing the image. I am using ‘ble_app_blinky’.
I have few queries on “LE Coded PHY”, 2Mbps...
Hi,
I have a custom board with nrf52832 mcu and I use FreeRTOS with SDK 16.
I tried the logging feature with NRF_LOG_XX() functions, but only the first few lines showed...
Hi,
I am studying Thread with MQTT-SN examples, and I got some trouble with the disconnection of the publisher.
Here is my configurations:
SDK: nRF5_SDK_for_Thread_and_Zigbee_v3...
Dear all,
Is it possible to:
1. Make a ble central which is just recieving advertising data , but not visible by sniffers and etc.
2. We want o use the nrf52 for a id...
I am trying perform DFU over BLE and get the following result:
nrfutil dfu ble -a cd5dfbcefa30 -snr 682937446 -pkg flash.zip -ic NRF52 Traceback (most recent call last)...
Hi there
I have a question about the newly added errata No. 220 of nRF52832 Rev 1 Erratasheet v2.1.
We don't use the WFE instruction but call sd_app_evt_wait(). Does the...
Hi,
I am learning OpenThread, and I download RaspPi_OT_Border_Router_Demo_2.0.0-1.alpha.zip from https://www.nordicsemi.com/Software-and-Tools/Software/nRF5-SDK...
Hello!
Nice to ask a question here！
I used arm_cortexM4lf_math.lib in NRF52832 software, and used the function arm_cfft_radix2_f32 function. I want to know that for the...
I want to add a function to bootloader_secure_ble, to drive a lora chip, I can upload some user code by this code. but I don't know how many space can be used.
do you have...
Hi.
I'm testing multi peripheral using pc-ble-driver-py.
I tested one peripheral device using heart_rate_collector.py.
It was ok.
But, when I try connecting two peripheral...
Hi all
I need to create a new SEGGER project with SDK1.5, and I hit lot of build error.
I have no idea about following build error, please help, Thank a lot.
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