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,
I have added a timer to my code, which I need to be of 1ms. The handler of the timer is correctly called when the timer is 5ms or above. However, if I change it...
Hello,
After searching in forum, I understood that we cannot debug application with softdevice unless PRIMASK bit is set.
But in my application there is a requirement...
Hi Nordic
I am using GZLL to develop a prototype whereby data from sensors will be transferred to a Computer in a Wireless sensor network.
The idea is, when data are requested...
Dear all,
we want to use a nRF52837 for a developement project we are planning. We have been asking ourselves on which functional level the alpha Softdevice S132 for the...
Hello, i analyze the device manager routine (device_manager_peripheral.c) and in BLE_GAP_EVT_CONNECTED case you checking containing the device address in bonded table.
My...
I am working with nRF51822 beacons and an iOS 9 application that I am developing. I am testing on an iPhone 6. My application uses the CLLocationManager's beacon ranging functionality...
Hi,
I want to use the whole payload of the advertising packet. I decided to use the manufacturer specific data. BUt I cant´use the whole payload by myself. I get this payload...
dear all:
I use the spi slave mode. i have a question,pls help me.thanks.the questions as follow:
I want to distinguish instruction type, and then reply to the corresponding...
Hello,
I am working on nrf51822 SDK 9.0 and softdevice 8.0 . I got the application note to create a custom profile for SDK 5.2.0 and softdevice 6.0.0 in nAN-36_v1.1 . ...
Hi: We develop our program based on (nrf51822 QFAAG0 1403AL), I found a serious problem that our new IC is (nrf51822 QFAAG2 1415AF), and the old program can't run on it any...
Not sure where to post this...
but there's a minor bug in components/toolchain/system_nrf52.c, where NRF_UICR->PSELRESET[0] is being checked twice to see if a reset pin...
While ota dfu via nrf toolbox android app, it sends wrong (0x15918) image size in start packet, and also bootloader starts writing softdevice image at address DFU_BANK_0_REGION_START...
Hi! I want to make a BLE network with 1 master (nRF51-DK) and multiples slaves (nRF51-dongle). I`ll send differents commands from master to slaves. This is for home automation...