Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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...
Using Keil MDK Lite v 5.22, writing code in C for nRF52, with SDK 12.
Example code works.
How does one declare a function, define it, and call it?
I've created a...
In my debugger, I see that variable error_code is 0x00000004
void app_error_handler_bare(ret_code_t error_code)
{
error_info_t error_info =
{
.line_num = 0,
.p_file_name...
I'm running a debug session.
I set a break point inside of function services_init on line 201.
I ran the run up to break point command
The processor pauses on...
Hi,
i am trying to save data with the flash data storage module. Using this code ( infocenter.nordicsemi.com/index.jsp from infocenter erverything works fine. But when...
I am attempting to do a BLE firmware update via command line tools in an attempt to automate programming in a script file. I have zero problems performing an over the air...
In a project using esb, with two nrf52832 devices configured as default, one as RX, one as TX, with dynamic payload, TX sending packets to RX can change the packet pid (and...
Hi!
I have two PCA10040 boards and I'm running the MQTT publisher example in both using a Raspberry Pi 3 Model B as a gateway.
Therefore, both boards are establishing...
Hello,
I am using pca10028 and sdk 12.2. I am trying to run some code. I am getting some make file error as ble_nus_error.PNG .
My main.c file is New Text Document (3...
Hi,
I have 2 nRF512840 eval kits and tried out the att_mtu_throughput example provided on SDK 13.0.
The throughput about 900-1000Kbps can be achieved with PHY 2.0 DLE...
Is there any way that I can use more than 4 timer in nRF 51 ??
(four or more...)
I'm using Softdevice 130, so It uses Timer 0,
and I'm using RGB Sensor using PWM Library...
i m new in NRF52832, i use saadc exemple pca 10040 sdk 13.0.0, i dont now how to get adc result from the buffer because there is 2 elements in the buffer :
err_code = nrf_drv_saadc_buffer_convert...
Hi, Nordic Forum!
We've been trying to implement an adapted version of the Secure Bootloader with Buttonless DFU in our custom board. We have successfully accomplished...
In this app by Nordic
github.com/.../Bluefruit_LE_Connect_Android
a cyclic redundancy check (CRC) is added to the payload byte array before writing it to the UART receiving...