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 Nordic's community,
I have a question about how to write values to different characteristic in one time ( the values to write are inferior to 2O bytes) with an Android...
Hi
I've implemented a BLE peripheral based on the SDK11. For bonding i'm using the new peer manager. If the code runs on a nRF51 DK the bonding works properly. After the...
Hi
I'm having problems with the I2C. For now what I see is the twi_transfer function remains in infinite loop. Other symtomp is the SDA line remains normally at low level...
Hello,
I am currently trying to transmit around 800kbps of data using the Nordic ESB protocol. I am also attempting to sample 2 inputs using the SAADC at around 32 khz...
Hi,
We try to communicate between nRF51822 SoC and a GPS module through UART on a custom board but failed initializing UART.
More details:
We use nRF51822 as a...
Hi i use a soft with DFU and Beacon.
I will use the beacon and when i press on a button i can update the software with DFU.
DFU and BEACON works independently but when i...
Hi. We are going to mass production now and the 3rd party lab that will certify our product says we need to have a special mode in the firmware that would do :
continuous...
Hello Nordic! Regarding Notifications on the s110, once sd_ble_gatts_hvx(conn_handle, ¶ms) returns NRF_SUCCESS , how long does it take, at most, in units of CI (Connection...
Dear sir.
I have question of SPI slave communication.
[NRF_SPIS1->TXDPTR] is a point to address of TX buffer.
After [spi_slave_buffers_set] is called and SPI transaction...
I've successfully compiled, flashed, and run the SDK11 ESB examples on nRF52 DKs using GCC, and am trying unsuccessfully to get them to work on the Keil 5.20 IDE.
I've...
I tried to get the ble_app_proximity example to work today, with either the nRF51-DK, nRF51-Dongle or nRF52-DK, along with the Nordic Connect app on Android.
I encounter...
I am working on application where the nrf51 will read information from several sensors and send the data to a smartphone app via BLE. Among the sensors are one that sends...
Hi, I am trying to get my ble400 board working with nRF51822 chip. I downloaded SDK v11 and made all nedded preparation. I have successfully compiled blinky app, and everything...
Hi Nordic Tech support team,
I'm Hardware design engineer and working on wearable IoT design and would like to implement OTA programming for nRF52832 Bluetooth SoC.Kindly...