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 encountered the following error while adding device manager to ble_uart_app in SDK_11 s130 using the hardware nrf51-DK. I'm using Keil compiler.
._build\nrf51422_xxac_s130...
While using the device manager, I encountered this line;
#define SEC_PARAM_MITM 1 /**< Man In The Middle protection not required. */
Since security is important, is...
Hello!
I'm trying to test several types of ANT communication like broadcast, background scanning, etc.
And When I check ANT broadcast rx example, I realized that some...
Hi Support Team,
i want to know the voltage range of AVDD(internal DC/DC output) of NRF51822 when DC/DC enabled, please help to check.
i don't find this information in PS...
I use nrf51822xxac, sdk 9.0.0, sd130. When I connect to some beacon as a central I no longer receive BLE_GAP_EVT_ADV_REPORT and I am not able to receive advertising packets...
Hello,
We do not want our beacon on at all times. I suppose our need below has been asked before.
Is there a sample snippit of code, or a document on ble_app_beacon...
hi:
i want to create timer in my code, i create timer and start the timer ,but the timer do not work,i found timer number can not exceed four,detailed information in the...
I found a bug in the FreeRTOS port provided by Nordic for the nRF52832 in SDK v11.0.0. This bug only applies if configASSERT_DEFINED is equal to 1, as the affected code is...
Hi,
We are assessing the pros and cons to port our software to work on S130. We are currently using S110 (Peripheral) and S120 (Central) on nRF51822 rev.3.
Based on the...
I am running ble_app_uart sample code on nRF-dk using SoftDevice n130. It is working fine.
Currently, when nRF UART app connects to ble_app_uart, user does not need to...
I have hard time in start a twi in nrf52832 with SDK11.0, I can't initial twi ,whatever i do ,when i build is still an error ,here is my code:
static const nrf_drv_twi_t...
Hello. Nowadays I'm trying to upload the softdevice for the RTOS based on the freertos.
As you know, determinism is very important for the realtime.
I want to know the...
Hai guys,
I am using nrf51dk, S130, and Keil to develop a simple project. My aim is to send the sensor data from the nrf51422 to the mobile app.
when no mobile is available...
I read this thread: nRF51 beacon high frequency scanning and advertising and have similar problem here.
Some repost from my electronics.stackexchange.com question
...
heya all,
I've tried folowing the guidlines for selecting correct SoftDevice for particular DK, but I am completely confused about the whole naming conventions and versions...