Hi.
I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
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I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
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I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
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I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
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I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
After i disable SD i try to count ticks on TIMER1 from RTC1 via PPI.
Timer1 is configured property but TASK_COUNT don't increment cc.
I see that event TICK on...
So. After countless hours of messing around, reading SDK, examples and stuff I'm begginning to feel kind of frustrated. I want a microsecond timer. For that I tried a number...
Hello,
I use nrf51422 for my project. I have to collect data via BLE nus from phone, but after that i don't need SD anymore. Can i use blocked hardware, like RTC0, after...
hello there i am trying to interface adxl345 with nrf51822. my code is like
#define ADXL345_ADDR 0x53U
#define ADXL345_ADDR_WR 0xA6U
#define ADXL345_ADDR_RD 0xA7U
#define...
I am trying to modify s130 experimental app example so that my board could connect to any peripheral and discover all of its services. As peripheral I use "ble_app_multilink...
What's the mechanism of getting data from the SoftDevice?
-We store our parameters in the stack and call SVC func which passes it to the handler mode and does some magic...
Hello!
I'm able to create a whitelist and connect to previously bounded peripherals. I noticed the whitelist is volatile (when I turn off the power, whitelist is lost)...
i make nrf51 dk device into bootloader and then i copy file now when i connect it in normal mode . comouter can't detect nrf51 dk kit. but it work in bootloader mode. can...
Hello,
I am porting a blinky program to my custom board having nRF51822. The program is compiled under Eclipse (+ GCC) and is downloaded to the board via J-Link Lite. But...
Hello, Nordic!
In our entertainment project, nrf51 based devices exclusively utilizes either central or periph. role. All of them are headless (body mounted markers, etc...
Hello,
We are currently working on IoT based application.
Our system contains Two types of configuration, Master node and slave nodes. Now all nodes have sensors interfaced...
Is it possible to send any kind of message, etc. from a board using nRF8001 to an iPad with no BT app running to tell the iPad user to initiate a connection?
Thanks,
...
We are using 51822 through I2C to get G-sensor buffer, every 560ms ( sample every 20ms, buffer for 28), then execute for step counter calculation, which should not consume...
Hello! Sorry for my English)
My situation is next: I have a custom PCB with nRF51822 on it. And radio control application works fine on this PCB. I don't know which of...