In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
I am working with a MacBook Pro (El capitan) and the nRF51822 beacon and I need to measure the RSSI. I understand that the app nRF connect can do it, but the antenna on my...
Scenario is as follows:
NRF52 (SDK12.1, SD3.0) works in central and peripheral mode.
What happens is that on start we create a single shot timer with 4.2second to wait...
I write a function, It can read ok without BLE starting.
When I start the BLE , the function can not run.
So I think that , if I can use some function to stop the stop the...
Hi, all.
I tested ble_app_uart in example directory by PCA10040 board.
It works well.
printf ("UART Start!") in main.c works well. "UART Start" string cames out on putty...
Hello everybody,
I have a problem when I try initialize the ANCS service. The method ble_ancs_c_init(); from ble_ancs_c.h return the error NRF_ERROR_NO_MEM.
My configuration...
I flashed the nRF52 DK with the mbed bootloader developer.mbed.org/.../ but I'm having issues with the board. When I drag and drop the file which is a very basic blink program...
Hi,
I was trying to integrate a more simple version of the buttonless dfu example on my application. My first step was to get rid of the peer_manager and also the flash...
What is the use of of PCA10040 chip in NRF52 Development Kit(NRF52832 chipset). ?
Do I need a programmer to program NRF523832 in the DK, Can I just program it through USB...
Hello,
I asked a question after this old one : old one and I read other posts on the subject.
I wonder whether explained constraints may have changed or not since I am...
Hello,
I'am trying to do directed advertisement with NRF51822 (Smart Beacon Kit pca20006). I don't have any previous connection with peer, its address is hard-coded. The...
Hello:
I am writing a BLE profile involving several characteristics. One of the characteristics is an operation code (read/write) tunnel.
Each time a BLE central device...
This situation occured just in Android phone,iphone have not meet this situation.
A detailed description as follows:
After DFU used Android phone,connect again,notify...
Hi, I want to send data from arduino to nrf51dk which will then use uart service to send the data over bluetooth.
I want to use SPI communication between the two microcontrollers...
I have read these the following posts:
devzone.nordicsemi.com/.../
devzone.nordicsemi.com/.../
But, most of the answers are quite old. I am wondering if the solution...
