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...
hello there in my code,
APP_ADV_INTERVAL 64
APP_ADV_TIMEOUT_IN_SECONDS 5
using nrfsniffer i am getting 57 packets in 1 second.
i can't understand it. because APP_ADV_INTERVAL...
Hi!
I tried to some research in the forum but I would like you to assert my final decision.
My goal is to design a sensors network (at the beginning with five end-nodes...
I am working with some code from a previous provider and I found in its void bsp_event_handler(bsp_event_t event) function this code:
case BSP_EVENT_MID_PRESS:
err_code...
Not sure if this is the proper venue for a bug report:
In nrf_nvmc.h (from SDK v12.2.0)
/**
* @brief Write consecutive words to flash.
*
* @param address Address...
Hi,
We need to add WeChat / AirSync functionality to our nRF52-based product. Is there any support available from Nordic for this kind of environment? For example ble_wechat_service...
I would like to hide BLE advertising from normal BLE devices.
And only be able to see such advertising with dedicated scanner.
I was thinking of changing access address...
hi，
i can't find the ID for softdevice_s140
run cmd ： nrfutil pkg generate –help
--sd-req TEXT The SoftDevice requirements. A comma-
separated list of SoftDevice...
Hello,
I´ve got a problem with the primary services discovery when register more than 1 vendor specific UUID.
I´m actually connecting one Cadence Sensor and one Motion...
Hello!
I have problem with DFU bootloader on nRF51822-xxAA.
For first, I made all steps for upload bootloader(erase chip, upload SD s130, upload bootloader).
I used...
Hello, I use nRF51822 based device with s110 softdevice. I noticed that data exchange is different on different connected centrals.
For test I used Windows and Android powered...
Hello,
I have my project up and running using the "nrf51-micro-esb" project. I can successfully set my device to PRX mode and have it receive payloads just fine. Similarly...
Hi,
I have an issue about power consumption with a board nrf52 10040. The consumption should be 100µA but is 500µA. I found an errata about that in ' infocenter.nordicsemi...
We're using nRF52 to read two sensors data: one is an ADC chip using SPI; the other is a PPG sensor using I2C. MCU sampling rate is 250Hz, meaning every 4ms, MCU will poll...
Hi all!
I'm a beginner developer.
I start my work with nrf51822, download examples e.t.c
Now I try to download my code in real PCB with external 16MHz crystal.
Code worked...
