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...
Dear all,
As some of you have pointed out, if we want to perform DFU and having a watchdog running, the boot loader should embed a watchdog feed. I have successfully managed...
we have used the NRF51822-BEACON KIT EVAL BLUETOOTH SMART BEACON which includes RGB LED, but cannot find a non dev kit model with RGB LEDs . can you recommend one with either...
I am using NRF52 SDK14.0 and SoftDevice S132 v5.0.0. I am using GPIOTE low level port interrupt to wake the system from SysOff mode. If SoftDevice is enabled and I put the...
Hello,
On Nordic Studio, there is a fairly well documented NUS (Nordic Uart Service) that provides a read and write characteristic, and it mimics uart. Data written to the...
I have a BLE device "Masimo" and I'd like to download its data in real time through BLE notifications.
This device comes with an Android App which is able to download the...
Hello,
I have a problem with writing to server characteristic (battery service and custom). sd_ble_gattc_write function returns 0x11 which means another write with response...
Hello,
I am using sdk12.2.2 and pca10040. I want to add uart drivers in ble_app_template code so that I can use printf to get my data on terminal. Unfortunately I am not...
I AM USING SDK 12.2 AND IT IS RECOMMENDED TO USE FSTORAGE. But i found no function to read unlike pstorage_load . so can i use pstorage instead of fstorage will it cause any...
Dear Helpers,
We are facing an issue. It is all related to DFU (secure buttonless) and Android 7.0 (deployed on a Samsung A5).
We have a code that is running perfectly...
Hi
By playing around with the serializer code for the S132 5.0.0 I found a bug in the serializer/deserializer code.
The ble_gap_evt_auth_status_t has a new field "lesc...
I'm using FreeRTOS in my project and I wanted to check if the APP UART FIFO implementation is thread safe, IE I want to have a reader and writer thread. Each FIFO has a separate...
I want to enable BLE's NUS Service(in Old SDK, nRF5_SDK) with in nrf5_SDK_for_Mesh.
Is it possible?
I'm failing, as starting of this, to use Softdevice for parallel use...
I HAD ASKED THIS QUESTION: we have used the NRF51822-BEACON KIT EVAL BLUETOOTH SMART BEACON which includes RGB LED, but cannot find a non dev kit model with RGB LEDs . can...
Hello sir,
I have develop project and their lots of quantity. I want flash my updated program into my nordic device without open this device via BLE services. Is it possible...
