Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
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 mashed up RTC and SAADC examples. The files of the project are attached in the end of the post. The problem is that after the first iteration (I want to sample audio for...
Hello,
I am using developping on an nRF51822 with SDK12. In our application, our custom board need to communicate with a computer through a USB communication. I am not...
I'm working on the product using the nRF51422 QFAAE00 , SD110_nrf51_8.0.0, SDK 10.0.0. My product has the advertising flow as below
The device advertises forever...
Hello!
I have a problem when scanning and advertising at the same time with a NRF51822 and S130 v.2.0.0. (SDK11).
I can start both scanning and advertising without any...
Hello,
I am designing a PCB layout using nRF52832, I want to make it as small as possible so I am considering to route all component tracks to another layer.
I want...
Hi,
For an application I have a nRF51 at my disposal and I need to transfer about 3'000Bytes. I found in the documentation that the nRF51 can use the S130 SoftDevice which...
Hi.
Using PCApp/MCP(v 3.10.0.14), How can "BLE_GAP_EVT_SEC_INFO_REQUEST" occur?
Or will not it occur?
If it occurs, please tell me how to do it.
Thank.
Hello,
I need help about the multirole with the Freertos.
When I take the code example from Nordic "C:\Nordic\nRF5_SDK_13.0.0_04a0bfd\examples\ble_central_and_peripheral...
Example project: blinky_FreeRTOS_pca10028.uvprojx
I include SEGGER_RTT.h file.
After execute vTaskStartScheduler() function.
SEGGER_RTT_printf(0, "Hello World from SEGGER...
Using C11 compiler, and a Makefile from a template, where the Makefile defines CFLAGS with -Werror I get:
.../components/libraries/util/app_error.c:47:5: error: narrowing...
I running the (nrf52) HRM profile with FreeRTOs and connecting the BLE device with the Nordic Toolkit app.
On occasion the connection to the BLE device fails. After repeated...
Hi, I want to interface BLE module with freeRTOS. Does nordic provide BLE stack for freeRTOS? and if yes then is it opensource? or is there any standard BLE stack which can...
Hello,
I want to design PCB antenna for nRF52832 chip. I took reference from nRF51 dongle hardware layout.
I wanted to spread antenna upto 18mm width so I reduced the...
Hi
The j-link detects the chip, but for not obvious reason the j-link and keil will trough an error when I want to program the chip, here is the j-link out put. do you have...