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...
Hi
I am testing sending and receiving data between nRF51 dongle and peripheral by example of heart-rate-collector.
now I could find characteristics I need(write, read...
Hi all,
My application is as follows:
I have an android app which will send some data to a nRF DK. The data I want to send is in HEX characters between 0x00 to 0xFF. And...
Hello,
For nRF51822 and nRF52832, I'm using GPIOTE, PPI and timers to measure the duration that a pin, which is normally low, goes hi (typically 100-300 milliseconds). I...
The following questions are in regards to the instructions at nRF_Connect_SDK-modifying-a-sample-application .
In the Windows environment, I am transitioning from using...
Dear all,
I recently made a custom PCB using the aQFN73 package of the nRF52840 and, even though I respected the antenna constraints (but in 2 layers) I get no signal whatsoever...
Hi Devzone:
I am using P0.00 as SDA and P0.01 as SCL on nRF52833, And I got waveforms like below when I am doing I2C transactions:
the red waveform is SDA and the green...
Hello,
I slightly modified examples\multiprotocol\experimental\ble_zigbee_dynamic_color_light_bulb_thingy so that it can receive changes in the color temperature attribute...
currently i am doing my master Thesis in Bluetooth low Energy. I am searching for BLE Transceiver for Evaluation Purpose. I have a development board S32 from NXP and would...
Hi,
I want to create a Thread border router and am following the instructions from the infocenter.
In the hardware requirements, it is mentioned that the image needs...
Hi Team,
We are using the nrf52830 SOC for our application. In data sheet mentioned that it supports AES-128 bit Hardware engines (ECB,CCM, AAR). How to enable and use these...
Hi guys
I am trying to load a firmware to a Minew's nrf51822 Module using a JLink V8 programmer tool. So far , I can see the chip with the Jlink console:
sudo JLinkExe...
Hi all,
We had implemented Nordic QSPI using "nrf_drv_qspi_write" and "nrf_drv_qspi_read" operation , however I am seeing for page to write in flash of 4096 bytes with 512...
Hi,
During our development, we observed that when BLE central and peripheral devices are communicating, then often central device will not receive data from peripheral device...
mcumgr seems to not like the hex files in mfwnrf9160120.zip, and the NRF programmer can't be plugged into anything automated such as CI, and I'm also running into https:/...
Hi!
This is what I'm using:
-SoftDevice S113 v7.0.1
-SDK v17.0.0.0
-SES v4.52c
-nRF52840
I've created a custom buttonless uart bootloader based on the "secure_bootloader_uart...
