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,all!
I have a question about downloading program into nrf51822 MCU.
That is:
As you konw, using the nRFgoStdio to download the code, you have to download the softdevice...
Hi all,
I have a devicewith display and only want a specific smartphone with my APP to connect to it.
I implement the authentication procedure at application level by...
We have some product using nRF51r22 QFAAC0.
E0 version is replacing C0 now. I just want to know when is Nordic going to stop producing the old version?
Thanks
Hi, I'm a ble developer using nrf51822.
It is a wierd question,
Is this any possible to write value to one characteristic's CCCD value from itself(device)?
This is my...
I am using the nRF51822 Development Kit
I have compiled the blink_example and the s110 ble_app_hrs in the nRF51_SDK_v5.2.0.39364.
I am unable to program the SoftDevice...
Are there any I2C examples for the nRF51822 ( write/ read functions) ?
If not, can anyone suggest a good starting point for I2C?
I am using Eclipse kepler for development...
In the nRF51 SDK examples, some pass the parameter adv_params off the stack as a locally declared vaiable in the context of the function and some pass static global variables...
I successfully made an Arduino code using nordic library that gets notification from iOS ANCS.
But some minor bug exists: sometimes i don't get any notification from the...
Hi all,
I used the ble_app_hids_mouse example in SDK 4.4.1 and found:
1.when the mouse does the first bonding with the master, the report rate could reach 125Hz(I set...
Hi, I am trying to code my nRF51822 on my custom board, however right now I'm having my doubt on using some of the example code provided in the SDK.
Essentially, I want...
Hi,
1/ I download the s110 softdevice and ble_app_hrs to the nRF51822 board, and running normally.
2/ I download the s120 softdevice and ble_app_hrs_c to the nRF51822...
Dir sir. I read the white paper "Tuning the nRF24xx matching network" and I have a question.
I would like to know the setting of the spectrum analyzer when I measure the...
I'm looking at the 5.2 SDK and I have noticed a few minor things that may be bugs or might be my mistake but here goes:
In the GCC linker scripts, I was carefully...
Hi,
Recently I want to set up a dynamic network that with the node change this position ,the network will change dynamically.But there is the question,with the node's position...
Hi,
I am working on a keyboard project,I change the HID report as follows
0x05, 0x0C, // Usage Page (Consumer Devices)
0x09, 0x01, // Usage (Consumer Control)
0xA1...
