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...
Connectivity board crashes after a few seconds of sending/receiving packets really fast with the following:
<error> app: ERROR 4 [NRF_ERROR_NO_MEM] at ../nrf_sdk/components...
NRF52
I have a Transmitter and Receiver. The Receiver starts and listens to the ESB.
The Transmitter starts, sends a message on the ESB and restarts. The message is static...
We are in the progress of finalizing our first Bluetooth products, based on nRF52840, S140 6.1.1 and SDK 15.2.0. We have gone through the listing process (Launch studio and...
DFU failed on nrf52832 with my custom program that is based on coexist example and not failed with blinky ???
is there any frame loss for a big hex file that want to dfu...
Folks,
Using the HID mouse ble-peripheral example code as a base, I'm attempting to add SPI support, using the SPI example for pieces of code.
Both sets of code build...
I am trying to set up ack in my PTX so that when my PRX is off or out of range I get the case TX_FAILED event and when it is on and receiving data my PTX will get the case...
Hello,
I am looking into the nRF9160 hardware. And at the moment we are only interested in the lowest level possible.
The peripherals are well documented, as espected...
Hello,
I am working on TWI master application on a nRF51 board, with a sensor associated.
I have often a problem while the reception sequence.
My application:
-> nrf_drv_twi_tx...
The latest changes to the Secure Boot sample main.c file cause compilation issues;
new main.c @line 304 NRFX_PERIPHERAL_ID_GET(NRF_P0), 0);
Doesn't work.
old main.c...
SDK 14.2
nRF52832
The application I'm developing uses the flash memory to store parameters such as calibration parameters for the sensors on the product. I foresee that...
I start with the ble_template example (SDK 15.1 || nrf52382 || Embedded Studio for ARM 3.41). My goal is to transmit data (string or int) from a custom made PCB to the NRF_TEMPLATE...
Hi
I am back on the firmware end of my project after several months doing the PC and Xamarin ends in C#... Trying to remember my C...!
My device has 3 MCU's incl the...
Hi,
I am getting these compilation errors:
'NRF_DRV_SPI_INSTANCE_1' undeclared here (not in a function); did you mean 'NRF_DRV_SPI_INSTANCE_'?
'NRF_DRV_TWI_INSTANCE_0...
Though it doesn't seem to be mentioned in the product specification, I've confirmed the hint from https://github.com/NordicPlayground/nRF52-ADC-examples/tree/master/saadc_low_power...
Hello Supporters ,
I have built one application using NRF52 .in which i have interfaced sensors and Winbond[W25Q128FV] SPI Flash. now i want to store sensors data to SPI...