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 have this program running on KEIL 5, what could be the problem with the code and Do you guys have any sample code for mcp9808?
Note- I am using the wired connection not...
I'm using SDK11 and PCA10028.
hrs works well, but did not bond with central(both android(kitkat) phone and iphone) in the nRF Toolbox app, althogh it's device manager ported...
I was wondering if anyone has done any extremely high speed UART work on the nRF51 (or the non-EasyDMA module on the nRF52). I need to improve performance for an existing...
Hi,
I ran the ble central example code on nrf51822 16KB ram version without any problem. But when I run the same code in nrf51822 32KB version, the program flow goes to 0xFFFFFFFE...
Working on my first project in mbed using the Nordic nrf51-dk.
The project utilises a TMP112 temperature sensor and attaches the reading to the service data to make it...
I'm trying to rename my device using s130, but the name doesn't get applied.
I went back to the "roots", ie the HRS sample.
Just before entering the loop, I add a name...
Hello,
I am working on a custom board with NRF52832-QFAA-R7 and trying to run ble_app_uart_c on it. I am using uVision 5.23.0.0
The first trouble that I am facing...
I'm trying to implement usb function on the nrf52840. The moment that I connect the usb to the computer the chip resets.
With gdb debugger i found out where the fault happens...
I have some question about ANCS ,when we trun off the IPhone and turn on the IPHONE.
The notifcation is disabled. I have to turn OFF the bluetooth and ON bluetooth form ISO...
Hi All,
I am a beginner,Can you please explain me what is the role of this line?
APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, m_tx_buf, m_length, m_rx_buf, m_length))...
Hi All,
I am using nrf51422, SDK 12.0.0, an SPI OLED display 128x32, and an SD card.
I want to interface an OLED display and an SD card onto the nrf51422. Although my...
Hi all,
I like build a smartwatch-like device that can receive notifications from my android phone. The bluetooth device has a oled screen and displays what notification...
I need to turn on and off one pin around every 100 us. Time between must be 1 cycle (couple of ns) and can't be interrupted at any circumstances.
Without a softdevice I disable...
Hi All,
I am a beginner in nrf52.
I need to get the client device address in ble_app_hrs_central, because I have more than one devices connected.
There is a hrs_c_evt_handler...
