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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
Hi, everyone,
I am pretty new to nRF52 development. Right now,I want to turn SAADC off at low power and turn it back on when wake up, but after nrfx_saadc_uninit(); When...
I am configuring the ANT+ scan on two separate channels with the following parameters:
ROMDATA_T ant_search_config_t aprfant_dynastream_search_config = { .channel_number...
Hello,
I am currently evaluating Nordic Thingy 52. I am planning to receive the sensor data on my custom BLE application (will be written in C using libbluetooth) running...
Hi
Attached is my pcb file. I select nrf52805_caaa, Can you help me check the pcb file? maybe the pcb is something wrong. I can download hex ,but can not debug it , when...
*** SOLVED PARTIALLY ***
Hello again,
I solved my problem partially, the part that reads accelerometer value and transmit BLE advertising data as beacon works fine.
...
Hi,
I want to use a MPU6050 sensor with my nrf52832 board.
I connected the SDA and SCL pins of my sensor board with the pins P0.26 and P0.27 of my nrf52832 board, respectively...
Hello. I'm working with multilink example and I've got some problem. I want to send data to specific peer device, but after restart central or one of the peer, they reconnects...
Hi. I have a problem with Segger Embedded Studio. I always get more than 100% of RAM usage when building project on SES, even if examples projects from SDK . Anyone know what...
Hello, I have the following question. I'm trying to program my firmware via DFU Bootloader and nRF Connect (smartphone). That works perfectly with the test board SparkFun...
Hi,
I am using the two units talking with each other for the BLE uart.
One is running with the example ble_app_uart_c_central. The other is running with the ble_app_uart_peripheral...
Hi, After updating my nrfConnect to 3.6.1, I had issues using my J-link being unrecognized in the programmer app. The J-link I'm using is part of a Silicon Labs Dev Kit, checking...
Hi, I was wondering if there are any problems with connecting VDD to an external power supply when using nrf52840 in the high voltage mode? I would like to connect VDDH to...
Dears,
1.I want to know when working at USB CDC mode, what's the phy rate could be supported? And what's real rate is it？
2.Could customer customized their private protocol...
Hi,
I've read that highly secured IoT devices have a hardware root of trust. One very important feature of it is a private identity keys to prove identities for mutual authentication...
Hi,
I noticed at least using pwr_mgmt we are calling two times nrf_pwr_mgmt_run for every interrupts ! All interrupt seems to be triggered twice ! Or wakes from idle state...
