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 started using the nRF51422 kit today. Downloaded nRFgo Studio, Master Control Panel, nRF Connect, BLE Sniffer, Wireshark 1.10 (after figuring out that you don't support...
Hai
i am planning to make an iot project with ble for my academics. I am using arduino to control the ble.
I was done a test with blend micro to know its maximum range...
Hello I would like to use more dongles with pc-ble-driver-py. For example I want to create multiple advertisers and test that my DUT would see multiple advertisers. I tried...
Hi all,
I was looking into using a PWM for LED dimming, and in an attempt to smooth out transitions between light states, I found that there was visible flicker as the...
Hi
I want to ask what the this define
#define NRF_CLOCK_LFCLKSRC {.source = NRF_CLOCK_LF_SRC_XTAL, \
.rc_ctiv = 0, \
.rc_temp_ctiv = 0, \
.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM...
Our code is 21k excluding soft-device,as per the example 15k should be the max size limit of code to update FOTA. Is it possible to make changes in DFU bootloader so that...
I read the doc of nRF51, so many reference pic.
Can anybody have make a summary of it
I think Decentralized understanding is difficult.
If we can read all of it in...
Hi,
I am driving 8 RGB LEDs directly from 51822, meaning there are 24 individual LEDs sinking current into the chip. The LED are off or partially on most of the time, but...
I have programmed the system_off with 2 causes of wake-up on 2 different pins.
When the device is woken up, how can I check which pin is the wake cause ?
Thanks for...
Hi,
I use SDK 12 softdevice 130 2.0.1
The example project of HID is running on my nrf51822 board, it is pairs with iPhone but the windows 7 write that the HID driver...
Dear,
I am now testing Power Profile Kit. Using nRF52 DK.
But Strange, Measured Value is strange as attached picture.
Is there any problem on my measurement or setup...
Hi there!
I am trying to develop some application using ANT, and for that I bought some nRF51 (10031) dongles and one nRF51 DK (10028). In the beginning, I tried to use...
We are trying to dump SDK 12.1 examples and advertise the example, we used Segger embedded studio to dump the code, bps example. we followed devzone.nordicsemi.com/.../ to...