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 have created a configuration based on usbd_app_uart example where both usbd and softdevice are enabled on my device as soon as the device is turned on. When I transmit...
Hi,
I am developing a simple application that utilizes a light switch client example for NRF52832 with SDK15.0 and Mesh 4.0.
I am facing a problem when using the FDS module...
What could be the reasons that cause DFU Bootloader BLE not working with nRF Connect on PC (while it works with nRF Connect on iOS)? I have had various problem with nRF Connect...
Hello
I am using Seggar Embedded Studio for ARM V3.4 and nRF_SDK 12.3.0. I am trying to understand interrupts and interrupt handlers.
The interrupt request for Watchdog...
Hi I would like to ask you for advice on how to solve my problem with Ble and the timer I have nRf52840 and I am trying to add a timer to examples\ble_peripheral\ble_app_uart...
Hi,
Setup:
I’m sending ble packages with around 80 Hz from an server (nrf52832 sdk 15.2) to a client device ( nrf52840 sdk 15.2)
One Ble package consist of several...
This is probably a simple question for an experienced nRF developer.
I have a demo going where I can read or write any of four characteristics I have set up on my peripheral...
Hi all, i have two units of a custom board project that i made.
In the first board, I plugged the pins in the right position as you can see in the figure below, a). nRFgo...
Hello everyone,
How to read Scan Response in contentiously in every 5 seconds in my ble_app_uart_c. i can advertise ibeacon and Scan Response data both in same code but...
I am using SDK V15.2 and opened the SES example for dtm. I modified RXD and TXD pins since i use a custom board based on the nRF52832.
When debugging the example on the...
I need to implement DFU in a Unity3D application. I have tried to integrate the Android SDK library that you have on github. They are not integrating very well.
I have a...
Hi,
I wish to have a complexity comparison of SILK and CELT (CPU usage and memory footprint) as I have an audio (speech) encoding and decoding application, I think this...
I've spent several days reading all the support tickets regarding this issue but I cannot find a resolution.
I am running the ble_central_uart example with SD 132, SES 4...
I have two nrf52 where i send a msg to one nrf52 through ble_app_uart that has SPI Master(This is working).
I am trying to configure one more nrf with ble_app_uart with...
Hi ,
how can we use different 128 Bit UUID for different read/write in pc-ble-driver-py? for example i defined three different characteristic 128 bit UUID for different...