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 I just got nrf52dk board, and have issues with dfu mode of MCU, after power on board is dead no any lights, no USB connection. After pushing reset and power on, MCU...
Hello,
I am implementing an application, where I want to connect three NUS peripherals to one NUS client. As a beginning point, I started with the supplied examples from...
I have ported the keyboard example code and integrated it with another set of services. However I don't see the device responding to an LL_ENC_REQ. I'm not sure what I can...
This probably falls under the category of BLE Basics, but I'm a bit slow and need some help. Here's my scenario:
I'm building a very simple BLE Peripheral that provides...
I'm currently using nrf8001 to send data to my phone. To save power from the peripheral device, I wanted to change the connection parameters.
I set the min and max connection...
Hi, I'm using nRF52832 with my external board.
I'm recently working ble uart example.
I control motions with tx message such as LED, motor and so on.
Now, I want to...
Hi,
I need to set a client back to the state, when its flash was erased and programed, so if I understand this correctly, the provisioning data has to be erased.
How could...
I've been developing on the PCA10028 development kit with print statements working fine (though at the moment it seems only SEGGER_RTT print statements are working and not...
Hello,
I am getting an error message while I was compiling the "ble_nfc_pairing_reference" example. How can I obtain this " micro_ecc_lib_nrf52.a" file ?
Fatal Error...
Hi,
I'm trying to edit the nfc message in software but after a while the nfc stops working.
What could I be doing wrong? This is my code, I change the value every second...
I have a project that I assume was originally set up with SES on Windows. I need to build it with MacOS but I get an error 'sdk_errors.h file not found.' I assume this is...
Hi，
I finally want to integrate BLE and 2.4G in nRF52810.
【1】I am studying Timeslot，i found some articles in DevZone.
There is a mention of micro-ESB ， so what is micro...
Hi, I am currently testing some BLE sample code (the proximity code and hrs code) with the nRF52840 PDK and I am trying to just simply interface the GPIO interrupt example...
1. How should I connect with UART to my board?
2. How to put the device into RX mode as required by RED EN300328?
Test the Radio Test Example application by performing...
