I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi,
I'm using NRF51 DK board and i am following characteristic tutorial available. I am able to send temperature value over Bluetooth by using light blue app.. Instead of...
I am using nRF connect to debug an application on a nRF52832. When I perform a scan, I can see the UUID of the nRF52832 device I want to connect to. Where is this UUID stored...
Hi,
I'm unable to auto connect with nrf51 using nrf Connect App, if I select Connect using Auto-connect only and no Bonding in nrf Connect App for first time.
With Auto...
Hello,
i have a question about the range. I have a Bluetooth-Module with nRF52832. I tested it in my Office. Additional I can Change the Output power from +4 dBm to 0 dBm...
My use case involves buttonless beacons that should only be connected to by authenticated users on their mobile device (Android / iOS).
Once connected, these beacons will...
Hi,
I have Nordic NRF52 DK. What chip does it have? because there are quite many chips of NRF52 series and can you also tell me about the PCB reference design of the chip...
According to the PDM of the nRF52810 datasheet，the input of the filter is the two-channel PDM serial stream (with left channel on clock high, right channel on clock low),...
I am looking at a Bosch GLM50C and when i connect with nrf connect on IOS I can only see device information and a custom service, on android I can also see the generic access...
Hi,
I want to confirm two points in the PCB layout of nRF52:
In the data sheet and in the reference circuits section, there are no caps on pins 37 and 38 (QFN...
I made up a prototype board with BLE Nano2, connected via a JLink.
I'm using armgcc. JLink is needed to support RTT as I need the UART for another purpose.
My board file...
I'm upgrading an SDK13.1.0 project to SDK14.0.0. I'm using bonding and Peer Manager. nRF52832. Softdevice S132 5.0.0.
I no longer get any PM_EVT_PEER_DATA_UPDATE_SUCCEEDED...
Hello,
I am using nRF52832 DK, and implement my software using eclipse with ARM GCC complier sdk12.1. I have interface accelerometer sensor with this board. I have read SAADC...
Hello,
I have a brief question regarding to SPI, I have two instances of SPI, SPI0 and SPI1, I was wondering whether or not changing the value of SPIS_CSN_PIN to SPI0 would...
hello,
I use nrf51822 + S130 + SDK12.2 in my product, nrf51822 work at central + peripheral mode，and i use nrf_duf_flash module for my dfu funtion.
The problem is, i...
