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...
Hello,
I am going to be heading to a certification house to run tests to pass for the CE mark for our product that we used the nrf51822 on. The BLE portion of our product...
Hi everyone,
I'm trying to establish throughput test using mtu_throughput example(central-peripheral) and 2 nrf52840's but I keep getting error when set phy to coded. Here...
Hello All,
I want to know if I can run all this protocol at once? if yes can I find an example or can you suggest me a guide? I know there are examples to use BLE and ANT...
Hello, I'm attempting to establish a data connection on the VZW network after uploading a VZW IMEI to the ODI portal. It appears there is no module available under the Nordic...
We are incorporating a filesystem for NAND flash driven by the NRF52, but we are running into performance issues using littlefs and want to do deeper troubleshooting. From...
Hi Everyone!
I really need some help. So I'm new to Nordic semiconductors and Segger Embedded Studio IDE. I purchased myself an nRF52832 breakout from sparksfun and nRF52832...
Hi,
I am trying to test the Amazon FreeRTOS BLE demo ( https://docs.aws.amazon.com/freertos/latest/userguide/getting_started_nordic.html ).
I followed the instructions...
When I connected the development board with komoot (based on Android), komoot repeatedly disconnected again. The chip platform is nRF52832, and the protocol stack version...
Hi,
I try to rotate an image (180) with nrf_gfx_rotation_set(p_lcd, NRF_LCD_ROTATE_180). This only works once, but after, I want to return to the original position by re...
Hello
I am currently trying to get sensor values via SPI communication with mpu9250, a 9-axis sensor.
Although the following settings were made,acceleration,gyro,and...
Hi Sir,
I am going to the same phenomenon as below.
https://devzone.nordicsemi.com/f/nordic-q-a/45554/sdk-15-2-how-to-set-a-value-to-a-hid-feature-report
Can someone...
Eventually we got it working with the Master Control Panel again, but it will not work with our test software. I suspect a Window update change that affected links. Window7...
Hello,
I would like to implement a design using both the ESP32 Wi-Fi as well as the nRF52840 on the same PCB. As they both operate on the same 2.4GHz frequency and the antennas...
Hi,
I have used "write_handler(p_ble_evt->evt.gap_evt.conn_handle, p_rtc_service, p_evt_write->data[0]);" to send data to nrf52832 from mobile but iam able to send 1 byte...
Hello, I have 2 custom service running each with one characteristic. When data is written to the characteristic one (io_controle.c) the write event is triggered twice. The...
