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 need help sorting out a configuration.
What I want to accomplish:
phase 1: detect if any bluetooth phone/device is present, without connecting to it
phase 2: determine...
The app doesn't run when i flash the hex file. However it does run in debug.. I use embedded studio in OS X and nrf51 DK. I added STARTUP_FROM_RESET to preprocessor definitions...
Hello!
What are the differences between the nRF52-DK and the Preview DK?
I have heard that there is an error with the RAM:
devzone.nordicsemi.com/.../
Are there any...
Hi all,
it's possible to use a DCC pin to power an external element (like a led, for example)?
If, yes what is the maximum voltage that we can have? It's V battery or...
Hello
I just bought a NRF51422 (PCA10031 v1.1.0) dongle. It worked for sniffing, but after I upgraded the bootloader as indicated in the MBED post ( developer.mbed.org...
I'm having a strange problem, where sd_app_evt_wait() won't make the CPU sleep, after I've started a app_timer (consuming >2mA). Its working perfectly before I've started...
hello,
I want to generate a square wave; examples of your company use PWM official offer;Square wave frequency lower accuracy, configuration 10KHz frequency, there will be...
Hi,
I use HID application with S110 v8.0 profil.
I use BLE HID Keyboard example.
I put datas from smartphone to BOOT KEYBOARD OUTPUT REPORT and I whant read them by...
Hi, this is my first question here. I am using softdevice S120 v2.1 for connecting and discovering a custom service with 9 custom characteristics. I was trying to read all...
Master Control Panel occasionally works for me, but at other times it will never launch. I click on the app, something seems to happen but the window never appears. I tried...
Hi,
I'm looking for an easy way to send raw data measured by NRF51822 (as single bytes) to a host computer, without using Nordic dongle.
The example project ble_app_uart...
Hello!
I have a problem with getting a value (uint8_t) from a characteristics.
I am using 2 nrf51422 boards, where one is a central and the other is a peripheral. I...
I am running a GATT server with multiple proprietary characteristics. I need to perform an action when some of these characteristics are read. They are read-only characteristics...
I'm using an nRF52832 (QFAAB0) on a custom PCB, nRF5 SDK, S132 v2.0.
I'm occasionally encountering spontaneous resets and want to tract down the source. I found the RESETREAS...
On fds_init() I am getting back an "Invalid Data" error code and I'm not sure why.
This is on pca10040, SDK11 and S132 v 2.0
I lifted the example mentioned here -> devzone...
