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...
When calling sd_ble_gap_connect(), and providing a whitelist, what is the expected process for establishing a connection, as far as timing is concerned? Will the device scan...
nRF52840. In case of standby current (battery only)
Measured as follows:
With only the battery connected, the same current draw as the one attached. Is there any...
In my DFU bootloader I am protecting areas of Flash memory used to store user data.
After an update, when my application starts and tries to write to this memory it is causing...
I am trying to use the real time clock on the nRF52840 dongle using the pc-ble-driver. However, my nrf.h file has nothing in it but the following:
#ifndef NRF_H__ #define...
I have a working iBeacon advertising a beacon UUID, Major, & Minor on a nRF52832. In addition, I also have a single BLE service (which has a single characteristic) defined...
Hi I am managing to initialize a serial instance using uart0 within the BLE Buttonless DFU Template. However when I carry out a similar process for uart1 I get the following...
Team,
I received the following customer inquiry and hope you can help:
The BLE – WiFi bridge project I’m working on will need to control up to 64 nodes, not concurrently...
Hello,
I am trying to upload the firmware with secure DFU using following method:
generated the dfu_public_key.c and private.pem pair
copied the " dfu_public_key.c...
Hi Dear Team,
I am using the nRF52840-Dongle and pc-ble-driver-py-0.12.0 for the ble development, while I encounter a problem about the max connection per device.
I use...
Hi,
I've got some questions about setting up a connection.
I want to connect as fast as possible with a UUID filter. Is it possible to connect directly on the first advertising...
How to set 250kbps PHY Coded in NRF52832 BLE Mesh? I have tried to change scanner_config_radio_mode_set(RADIO_MODE_BLE_1MBIT); to scanner_config_radio_mode_set(RADIO_MODE_NRF_250KBIT...
Hai ,
I need to update nrf52840 over ble from esp32 . first i tried with app , firmware gets updated .. as per the dfu protocol i understood flow and tried to writing data...
I need atleast 10 UART channels to be configured in my project. Is it possible to do it with the NRF52840. I believe because of the PPI I should be able to do this. I was...
I want to create a small bluetooth device with the nrf52823 chip. I want to use a lithium battery cell to power the whole circuit and therefore it neet to be low power. On...
