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 on final development stage of my custom board. I'm using nRF52840 with nRF5 SDK v15.0.0 and S140 SoftDevice v6.0.0. I need to trace the over-the-air communication...
I'm not using a softdevice, and am doing some time critical measurements when the radio begins transmitting.
This code works very well with nrf51:
__disable_irq(); NRF_RADIO...
Hello
I have a question i cannot figure out. I'm using my phone to send string on my NUS client (NRF52 with SDK15.3.0 and FreeRTOS) and the event BLE_NUS_EVT_RX_DATA is...
Hi,
I am new to development with Nordic chips. I am using nRF52840-DK (SES,nRF5_SDK_15.3.0_59ac345) to read analog input on ADC pin AIN0. I want to continuously read the...
Hi,
I used a NRF52832 to test our product with Python Script.
I enable my notification. I start to receive notification and I have a crash after received first notification...
I've used the DFU bootloader from SDK 14, s132 and the ble app uart example as a boilerplate for my app.
Now i'm looking into making some relatively large changes to the...
Hi,
I have problem compiling "HTTP application update" sample form the SDK for the NRF9160. I am using all the latest tools: * segger embedded studio: v4.18 * nrf SDK v1...
Hello,
I had problems connecting the periphery to the central. When I connect them, I get notifications like this from peripheral, but after this message they don't lose...
Hi,
We are using nrf52 dev boards running mynewt and until two days ago we could use the app to identify/provision and get composition data for nodes and get composition...
We are in the final throws of testing our boards that are based on the BLE UART Peripheral application. The current test environment involves monitoring board and battery...
i changed the code to send environment data over ble_nus service and it was worked
so i tried to send motion sensor data over ble_nus service and i changed code but no data...
Im developing a mesh network based on a custom board using the nRF52832.
I fine with sending some bytes over mesh . But now i want so send more bytes over mesh using Instaburst...
Hello,
I am using nRF52840, SDK_16.0.0, S140 SoftDevice and Segger 4.16 for flashing the image. I am using ‘ble_app_blinky’.
I have few queries on setting Tx power...
Today ,I look up the SDK revisions，found that SoftDevice S130 V2.0.0 support NRF51822 V3.Now my production use S130 V1.0.0,but Chip revision unknow(N51822 QFACA2 1921DC).Is...
