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...
As an example, let's see this function from app_hrm (heart rate monitor):
static void conn_params_init(void)
{
uint32_t err_code;
ble_conn_params_init_t cp_init;
...
I am laying out a board in altium using the nRF51422 - just cutting out the essential pieces in the silk box from the nRF51 DK altium project.
I have some concerns. Once...
Hello, I am going to make a PCB to mount the module and programming pins SWCLK/SWDIO/VCC/GND. I wanted to run my module at 1.8v, but I am worried if the nRF51 dev board, when...
[87] CPU: Unexpected wake from System ON Idle when using FPU
This anomaly applies to IC Rev. Rev 1, build codes QFAA-B00, QFAB-B00, CIAA-B00.
I have the PCA10040....
I made a custom board with the nRF52+SDK11.0.0+s132. The firmware is based on the ble_hrs example (modified to fit my board and modified the application, but the basic premise...
I want to change Variable state( 0->1 or 1->0) when I push the button.
I was searching for example relating to the GPIO.
but I did not find that i want.
Everything...
Hi,
What should i do after i load mesh app in " github.com/.../nRF51-ble-bcast-mesh" adress?i have two board
When i download the app,why doesnt advertising exist.i cant...
Hi,
I am working on an Eddystone application for broadcasting advertisement URL to both Android and iPhone devices using the nRF52DK with the latest SDK 12.2. I have read...
Hello,
our company wants to launch a new device using Bluetooth.
We use your chip and your Softdevice S110 v8.0.0, what Bluetooth licences are we required to pay, and...
Hi,
I am using SEGGER Embedded Studio 3.10h on OS X and SDK 12.1.0. I get this error
main.c:614: undefined reference to `ble_dis_init'
even though I have:
...
Hello,
We have found a bug in nrf_bootloader that can prevent the application from starting up properly.
In nrf_bootloader_app_start.c, the nrf_bootloader_app_start()...
I saw the example of Andriod nRF Master Control/Connect app triggering the FOTA for mbed platform without using any button. Unfortunately, I don't have Andriod device and...
during the pcb design of nrf52, is it compulsory to totally copy your reference pcb layout . since our case need to design a small size device, so i have to modify the pcb...
Hi,
I wanted to know whether Bluetooth 5.0 will ever be supported on the NRF51 series chips or we need to migrate from NRF51 to NRF52 in order to have Bluetooth 5.0 in...
hi,I have a issue about pairing.
anyone can tell me the process of pairing and binding ,how the event BLE_GAP_EVT_SEC_PARAMS_REQUEST generate;
Do you have same example about...
