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'm facing an issue when i want to delete some file in my FDS file system. Indeed, sometime, i can find dupplicated file with the same file id and the same record...
hi ,
i just realized that i damaged my NRF52 dev kit debugger chip. it is heating up and not working . the rest of the circuit including NRF52832 are fine. is there any...
I am using sparkfun nrf52832 breakout. I am new to this. I don't have a JTAG programmer so I cant program with keil. Is there an alternative solution for the software used...
I was using Sparkfun nRF52832 board to test my application, programming it with FTDI over Arduino IDE. Now I made my own PCB and found out that the IC doesn't have bootloader...
HI there! I am currently having some issues trying to add a custom 16 bit service to my nrf51822 project. Basically I am trying to make a dummy peripheral that I need for...
I have a nrf51-DK. I am trying to get a PWM signal on one pin. Here is my code:
static volatile bool ready_flag;
void pwm_ready_callback(uint32_t pwm_id){ ready_flag ...
is it possible to send ip packet form thread device with destination of non-thread device like ble (i gave ble device hardcoded ip) without border router ?
if yes i want...
Hello,
I am trying to flash my application to my NRF51422. In short, the application is a combination of the ble_app_uart and twi_scanner examples, I am reading data from...
Hello
I'm facing with printf over uart problem in my app. Application based on uart example from SDK 15.2.
However, it happens that printf function prints message to uart...
Hi,
On the latest nrfConnect SDK and zephyr, I started my application based on MQTT and AWS_FOTA samples.
The BSD socket function zsock_getaddrinfo sometimes returns a...
Is there at least one twi example available that uses pca10040e? Not seeing one in sdk15.0 for SES.
I can get the code working for pca10040 on s132 but not for nrf52810...
Hello,
I am new to nrf52 840 SDK, and currently working on Beacon code and really need help to fix some aspect of this code. I have a beacon code and would like to add custom...
Hi,
I'm using 3 AIN pins to read analog readings. However, when I go to sleep mode, I want the current to be as low as possible.
I notice that the AIN pins (saadc) is...
Hi everyone, recenly I had adquired a nrf52840 dk for testing how to work the BLE module. The problem was that in the first attemp the nrfGo showed that message:
I have...
Dear Experts:
Hardware Version :Nordic PCA 10040 1.2.4
SDK Version: nRF5_SDK_15.3.0
Project: ble_app_uart
None code will be modified in the ble_app_uart project. First...