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 trying the Thread Cloud COAP Client
<InstallFolder>\examples\thread\experimental\cloud_coap_client
on a NRF52840 PDK. I'm using Thread SDK v0.10...
I have troubles with connection using nrf51822 and android phones:
First I connect and bond the device to the phone and it works ok.
Then I periodically...
Hiya,
Regarding voltage amplitude peak to peak for external high-swing clock HFXO 32MHz, what's supply rails?I don't find out this specification defined in datasheet PS_V1...
My phone is like beacon that transmit service data.
(I checked service data in different phone.)
scandata.png
So, I want to recieve service data, service UUID with...
Hello,
I am really new to the field, I apologise, if things I am saying do not make sense, explanations and corrections appreciated :) I am trying to reach IPv4 internet...
Hello,
I would like to make use of an external ADC that is connected to my nRF52832 through SPI & easyDMA,minimizing the use of the CPU (or without using the CPU).
The...
Hi all,
I am started my project using the softdevice S130 v2.0.1 and the ble_app_uart example(SDK11) on a custom board with the nRF51822. I had to made some changes for...
Hi,
after porting an existing application from version 3.0 of the s132 SD to version 5.0, I experience, that sd_ble_gatts_rw_authorize_reply() returns NRF_ERROR_INVALID_PARAM...
I want to use the SPI in master mode, but the slave just have three lines,the miso and the mosi is the same line,but I don't know how to config the pins? Do the nRF52832 supports...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
I am trying to wrap BLE into a nice c++ class.
For this i am using ble_app_uart example.
I think it was working fine until i was up to clean the helper functions.
After...
Hello,
I have a nRF52 as central and a cc2650 as peripheral, when I received advertising answer, I can't see the full size of advertising data (see 7 instead of 31). With...
Another programmer developed the nRF52832 source code using IAR.
But I want to use Keil uVision.
So please tell me how to convert IAR project file to KEIL uVision Project...