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...
Dear friend，
Based on SDK15.3, using S332 protocol stack, running on nRF52832-QFAA. Connect the device with a mobile phone via Bluetooth. The connection parameter Min connecion...
Hi,
I am trying to get the current time, using nrf9160 dk with v1.5.1. I tried using the following functions
proj.confg. tried enabling/disabling based on devzone case...
Hi, I am new to thingy52 and raspberry pi and now I am trying to connect 4 thingy52 to a raspberry pi to get the data from those sensors.
I have followed the Nodejs examples...
Hi,
I am developing a program about using MQTT service. It needs to set the APN. I used the following code to set APN. The first step is to set APN, it always fails. But...
Hi all, I've got the ppkv2 finally (after 4 months waiting). I'm a little confused, you (and the documentation said), that in Source Meter Moder the pkkv2 powers the dut ...
Hello, I'm currently evaluating NRF serial library for development. I have 2 questions that is not clear for me in the library.
1. What is the purpose of nrf_serial_rx_drain...
The BTLE specification does allow user/custom data to be added to the advertising packets. Which field in the advertising data structure is the right place for adding such...
Hi,
In the development stage, we all use nRF52 Development Kit for programming.
Because we will have some empty burning conditions after we import the production line...
I am trying to transmit data using nRF52840 DK with LE Coded PHY.
But I'm puzzled about how it encodes the data in the payload. As stated in BLUETOOTH CORE SPECIFICATION...
Hi,
I am working on a project. we want to get data over BLE in dongle and send them to PC using USB since it has more speed. for the first step, I want to program the nRF...
Hi,
at the description of the function : app_timer_start
The parameter "timeout_ticks" has a minimum value, what about the maximum value? in other words can we use this...
Hello. I'm researches the power consumption in System Off mode for nRF52810 chip. I use the next code to enter to System Off:
Chip is goes to System Off and average consumption...
Hi Nordic,
We have done some research on the DHT22 and the results showed that this sensor has excellent performance. Sadly it appears that neither the nRF9160 nor Zephyr...
Dear Nordic Team,
We have a problem in our project with custom PCB regarding DFU. It happens in most of our prototypes, but on some devices it doesn't happen.
Below...
