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...
It seems the only way to use the S310 alpha hex on the development kit is to replace the IC on either of these boards; is this correct or is there another way?
Also, the...
Hi,
I am researching BLE product for a similar task (1 central node with 4-6 concurrent slaves). I have looked up other vendors (TI, CSR etc) and come to a conclusion...
After Googling and searching this forum I still don't know if I can make an HID peripheral (a touchpad) for Android that operates over Bluetooth Low Energy, and is accepted...
Over the air downloaded updates are an essential feature for productization. Are there any examples showing how to implement the OAD? Also is it possible to OAD update the...
Hi,
My nRF51822 evaluation board is not working, here i attached the screen shot's of the error messages i used to get on both the nrfgo studio and in keil. Please suggest...
Hi
When I reduce the operating voltage, the nRF51822 with the heart rate demo running resets whenever the voltage drops below 2.1V and does not recover unless I increase...
I need an star network with 1 master and 4 to 8 slaves. I'm not so concerned about the power, but the convenience of the nRF51822 is attractive.
Does the current BLE library...
Dear all:
Now,i have issue ,i can't fund device.(i have sure the hardware is OK)
i think it is program overwrite the J-TAG register(TDO)? but i may not sure.
have any experience...
The Arduino SDK by David Edwin linked to here is no longer available since the Bluetooth forum seems to be down, and has been for some time: devzone.nordicsemi.com/arduino...
Hello and Happy new year!
My goal - to create ibeacon device. I've bought evaluation board, wrote firmware implementing beacon role and loaded it into PCA10001. It works...
I've modified the simple_uart example to use app_uart instead but I cannot get any data transmitting. I know the connections are correct because it works fine under normal...
Ole Morten has suggested using command-line GDB in a number of postings on this forum. Accordingly, I've tried to do that but always getting the following error ("Cannot find...
Dear Nordic
Does Nordic have a passive writable chip available (with compat antenae) that can be activated by mobile device bluetooth scanning event. The mobile device...
Hello
I am trying to run the dual mode BLE/Gazell application example ble_app_gzll. I adapted it slightly such that the stacks are switched automatically in main() as follows...
