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...
I would like write music box by buzzer. So I need adjust the PWM frequency continuously.
But i don't find the sample cede which is about adjust PWM frequency in SDK.
Where...
Hi,
I'm using nRF52832 on SDK V12.2. I add the connection params in the conn_params_init:
static void conn_params_init(void){
uint32_t err_code;
ble_conn_params_init_t...
Hi all, present I'm working on sdk11.0.0 now I need to move all my projects to sdk12.1.0 . And all my custom projects have dfu support. In sdk11.0.0. when I select board for...
hello ,
i am trying to make communication between two (stm8s+nrf24l01) modules for which i am using this link zewaren.net/.../110 ,
by this code i am able to transmit data...
hello,
i am using ble_uart_app project in that i have added the pwm feature and added my code. i have tested my code seperately it works fine but when i have added in the...
Hello,
I'm realizing dfu.
1st case - for test
NRF_LOG_PRINTF("main start\r\n");
// ******* main loop start ******* //
while (1)
{
enterBootloader();
}...
I'm trying to set a global variable in RAM as uninitialised so it can be read back after a soft reset condition:
uint32_t data __attribute__((section("NoInit"), zero_init...
Developing an application on nRF52 DK board using Eclipse Neon.3 (4.6.3). When the program is run the following message is displayed in red across the bottom:
There are no...
The micro ecc works well in sdk11.0. However, after I recompile micro ecc in sd12.2, micro ecc can't work in S132 3.0.
I append micro Ecc functions to the Uart Demo in...
I am having a strange issue with the serial DFU in SDK 11, s132v2, specifically running either dfu_dual_bank_serial or dfu_single_bank_serial. My goal is to simply get the...
Hi,
I'm trying to use the GPREGRET register to save some state across resets. It seems to work as documented, but I'm getting the following error after each write operation...
Hello all,
I am working on nrf52DK BLE_UART_APP and i would like to know where the recieved data?(sent from the smartphone app / terminal) will be stored in the controller...
hi all,
I have this problem:
After enable the indication i send for indication , with a snuffer ble i recieve them. But the master control panel lost the first?
...
i want to connect the bluetooth of device (nrf51822) to my android phones bluetooth without using master control pannel.i want general bluetooth connection. can you please...
