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...
I am creating an App for iOS using nrf beacon.
App is for garage door and i want to get notification when door closed or open, when beacon is in range or out from range but...
I am using nRF 52840 board. I used Keil 5 to load one of the examples in SDK successfully, but when I unplug the USB cable and used the battery. My program doesn't run properly...
We worked on the nrf52832 DK.
We will begin the prototyping phase. But the dev kit's antenna is too big. Can send me a reference and schematic of a ceramic antenna.
Other...
We have based our code off of ble_app_proximity. Upon first connecting to the advertising NRF51822AB device with softdevice 110 v8.0.0, we write to pstorage.
static void...
I USE IAR7.7 AND v11.0
THERE ARE ERRS.
FS_REGISTER_CFG(fs_config_t fs_config) =
{
.callback = fs_evt_handler, // Function for event callbacks.
.num_pages = NUM_PAGES...
SDK Version: 13 Alpha
I've been able to track down, through app_uart.h, where UART interrupt priorities are set using NVIC_SetPriority(). Now I'd like to know where interrupts...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello,
I am evaluating the USB audio example from SDK v14 with an nRF52840-Preview-DK (PCA10056, V0.9.2, 2017.25).
SW9 is set to VDD power, SW6 is set to DEFAULT. The...
Hi,
I'm trying to setup Keil with PC-Lint using Nordic SDK11. I've noticed that SDK files contain a lot of PC-Lint annotations and I assumed that it should work but I'm...
Hi,
I am using the nRF52-DK board to program a custom nRF52832 beacon.
The nRF52832 device is a new device (virgin ;-))
I am using the connections as in:
devzone.nordicsemi...
I have a custom board that is running the NRF52832 from the Redbear MB-N2 Module.
Suddenly the board will not BLE advertise.
I loaded the HRM example and that won't advertise...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
Hello!!! Please tell me why for example Bluetooth or Bluetooth 5 Mesh would be better in living rooms (buildings?) than Sub 1 GHz (868 or 433 MHz for example) such as Sub1...
ADS1118:
How can I recieve the first 16 bits getting transmitted by the slave ? Will MOSI clock out p_txBuf while storing bits to arr_rxBuf if I set TX buffer len to...
