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 am designing PCA10000 based PCB. Unfortunately my manufacturer can't make PCB using prepegs and cores that used in PCA10000 (4.4 and 4.8). They can make using 4...
Hi Nordic
After download SDK12.1.0, I want to extend DFU service in my application.But i find it different with the pervious versions.
For example, i can know how to...
Hi,
I have just started a new project in uVision, using the ble-app-template from the peripheral examples. its running on a custom PCB, with no 32Khz XTAL, and i have changed...
The user manual only tells information of pins , active low such things of led on nRF52832 Dk. There is no detail information of components on nRF 52832 DK board. So, can...
After reading the FAQ on DFU I still do not understand how the bootloader and SD DFU are performed so that a failure during the upgrade does not brick the device (see answer...
Hi,
I have some queries about ESB RF Communications.
1.The address : is it possible change RF communication to one node(Tx) to multiple nodes(Rx). If Yes, Where can...
Hello,
I found that after using SPIM I have forever additional over consumption (additional 400-500uA).
It was solved here in forum
And there is errata 89
[edit]...
I use Gazell to acomplish one host --two device.When i just have one device,everything is OK。But when added to two,it cannot work.
I think,whether channel of two devices...
Hi, I am looking for the test report on the bluetooth emission of the NRF52832 that we use in our product. Could you send it to me by email? Thanks,
Emeline
Greetings,
I have been using the nrf sniffer and Wireshark successfully for for the past month or so. Today Wireshark stopped filtering for the device(s) selected in nrf...
Nordic Team,
I was hoping you could create a similar post to devzone.nordicsemi.com/.../ but one that was dedicated to possible improvements and feature requests. This...
Do you have any recommendations on measuring the voltage of a lithium battery (e.g 4.2V) using nRF52?
Obviously you can't measure directly as Vbatt > Vdd.
To use a simple...
Hello,
I am working on ble characteristics tutorial. (F00D, BEEF example)
I flashed the program and tried to scan my nrf52 DK on my Android phone.
Some parts of my Android...
