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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
Hi,All:
When i use SDK16 ble_app_hids_mouse example, the computer warns: driver error.But when i use the same dongle with another mouse,it is no problem.It seems the problem...
AS topic,I modify it from app_hid_mouse example from 52840 to 52833,and use timer1 to generating frequency 50kHz ,video as blow:
but at first pairring and connecting,it...
Hello,
I want to migrate from Segger project to gnu arm gcc project.
I Segger's project, I have add several RAM memory regions in flash_placement.xml. Now want to move...
Dear Nordic,
I currently have a BlueTooth Mesh product based on the nRF52840. The mesh client connects to a WiFi gateway over a UART. The gateway connects to AWS services...
Dear All, I am trying to send a bunch of data over BLE, using the notifications of a characteristic of a service. The size of the package data that I am trying to send is...
Using SD API v6, connectivity_4.1.2_usb_with_s140_6.1.1.hex, and pc-ble-driver Github release 4.1.2-win_x86_64. I can read and write small characteristics, e.g. 20 octets...
I want to time period 153us.
This is my calculation.
153us = 6535Hz.
PRESCALER = (32768 Hz / 6535 Hz )-1 = 4
There is
// <o> APP_TIMER_CONFIG_RTC_FREQUENCY...
Hi,
I want to use external power (battery) and USB power together.
If USB is not connected, I want to supply it with battery power, and if USB is connected, I want to...
Dear HW engineer,
I have ordered a few custom boards with nRF52820. As recommended by the datasheet, I have used 12pF load capacitors for both HF (32MHz) and LF (32kHz)...
Hello
I use nrf52832 and SDK v17.
I'm conducting various tests on Bluetooth. And I faced a lot of new problems. I erased a previously saved bond from the Android nrf connect...
