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...
I have an nRF52 DK and have compiled (with gcc) and flashed an example that contains the line
NRF_LOG_PRINTF("SPI example\r\n");
I get the appropriate LED flashing...
Hi,
I'm trying to discovery the content of a vendor specific GATT service.
So far I'm receiving the BLE_DB_DISCOVERY_COMPLETE event and I'm able to see that I got 4 entries...
Hello,
I have a BLE Nano (nRF51822) and I want to develop an app which will find all BLE devices around (MAC addresses and RSSI) and send it by UART/SPI . I've used nRF...
Hi.
I'm using nRF51822AC, S130.
I made source code for RF test as below.
NRF_RADIO->SHORTS = 0;
NRF_RADIO->EVENTS_DISABLED = 0;
NRF_RADIO->TEST = 0;
NRF_RADIO->TASKS_DISABLE...
I tried MQTT subscriber example code, it compiles and loads successfully but it doesn't show the LED lights accordingly as I press the buttons, meaning that MQTT state is...
I am using S130, and I try to write an very simple program, when I push button_1 then it read ADC and print it our by UART.
So, write a "nrf_drv_adc_buffer_convert" code...
I connect to nrf51 DK board and PC using USB. I used RTT Viewer to see RTT log output.
But when I try to compile and download from keil to the board, I got several WARNING...
All,
Can anyone tell me what is the fastest time that a ble SD (5.x / 6.x) running on an nRF51 can (re)start advertising from a disconnect. Basically looking to do an ...
I am not able to connect Garmin Edge or SimulANT to nRF51-DK. Neither sensor nor receiver seems to work. Just looks like there is no RF.
Examples tried:
power_only_sensor...
Dear Sir,
Here I test the ble_peripheral example "ble_app_uart" (Softdevice 8.0) with Kail MDK ARM 5.20 environemt on the PAC10028A board.
I found it's not stable and...
Hi,
I'm having trouble increasing frequency of data TX using ble_app_hrs example on PCA10028.
I tried to increase the TX frequency of heartrate data to 100ms by configuring...
It seems that the nRF52 Development Kit mis-handles extended hex records. If it has type "04" records (extended linear address), it works OK, but if it has type "02" records...
