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...
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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...
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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...
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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...
Hello,
I am using nrf52832 and I just have 3 questions regarding it.
1) SAADC change over temperature. According to the datasheet, it has a change of 0.02%/C but I only...
Short version: can I use a pin both as a GPIO input to trigger GPIOTE PPI event, and as SPI MISO *at the same time*?
Detailed version:
I want to use the SPI peripheral...
Hello everyone. I want to turn the LED on and off with the push button, if I want to hold it down after 3 seconds the LED will turn off, if it has been pressed for less than...
Hello
I am trying to port a custom project for nRF52840 from Keil to Segger Embedded Studio -uVision V5.33.0.0 -Armcc V5.06 update 7 (960) -SDK 15.2.0 -Device Familly...
SDK version: SDK17.0
We have low received radio message count with open USB CDC compared to when it is closed.
The low rx varies from 20% to 50%.
USB open = screen...
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what command should I send via BLE to disable the pressure, gas, and light/color intensity sensor?
In this documentation: nordicsemiconductor.github.io/.../firmware_architecture...
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Assuming I set FDS_CRC_CHECK_ON_WRITE flag in sdk_config to 1, where do i get a notification that somthing went rong? I probably miss something but I need to clarify...
I'm using nRF52 DK BLE.
In the code, I used the following code to set the Tx Power = +4dBm.
On my HUAWEI Android phone, I use the nRF Connect app to see the RSSI. My...
To test the example, I downloaded the project through the following path.
https://github.com/NordicPlayground/nRF52-ADC-examples
I get an error like an image. What should...
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Hope you are doing well!
I am developing a BLE device and right now I want the device be able to auto reconnect to the phone.
e.g. The user leave home with...
Hello
SDK = ver 17
DK = nRF52
Using Peer manager for writing peer data in flash and FDS to store app settings in flash.
1. They both share the same spcase in flash...
Hi,
We are in the middle of product certification, right now with BT SIG testing. Unfortunately we got stuck right away since the test house cant configure the device...
