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...
Hi,
I am following the user guide nRF51822 Evaluation Kit User Guide v1.2 , the heart rate monitor demo, Scaning for available Bluetooth low energy devices:
I started the...
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i am working on a custom board with nRF51422. I can program this board with the nRF51-DK. I use ADC and a temperature sensor via I2C. Everything work well but actually...
I am using nrf_toolbox on Windows Phone 8.1 and PCA10040 development board. I loaded the uart example and with my phone I can send text via nrf_toolbox. But when I want to...
Im' trying to send a set of 80 bytes using indication. for that I have a characteristic sending each time 20 bytes and wait for indication acknowledgement before sending the...
Hello Nordic! My application requires an nRF51822 using S110 to handle both Notifications and Indications over the same characteristic.
The CCCD value 0x01 = 0b01 enables...
Hi,
In order to start my own board with nRF52 component throught SWD, I think I've to use Segger Jlink. I expect to buy the basic version, that sound good for me, but I...
Hi,
I have some problems with bootloader debugging by using app_trace_log().
My board is pca10028, and I use the SDK 10.0.0 for it. The Keil version is v5.20 and Jlink...
Hello All,
How to interface nRF905 with nRF51DK board?
Any driver is available for nRF905 which support nRF51.
Any help will be appreciated.
Regards,
Rajneesh
Hi,
I'm using PCA10028 to communicate with ADS1131 ( www.ti.com/.../ADS1131) which outputs 18bit on SPI bus. I managed to get the data out by reading 24bits, but it feels...
Hello ! When I make a read with the SPI from a sensor's register the data sometimes comes correct and most of the time wrong. I tested the read operation with an Arduino and...
Hi
what is the best way to implement a sleep after disconnect?
We are using a custom board and I implemented it this way:
on connect : turn advertisement off
on disconnect...
I used iar for my project. But for some reason I have to transfer my project to keil now. Attached is the icf file from iar and I also attached my keil settings. Now the system...
In following the example for a DFU BLE upgrade I have configured the following system
on an nRF52 DK install the softdevice and bootloader:
nrfjprog --family nRF52...
In my code, I have some 'print'-style functions that write data to a buffer, and that buffer then goes to the Nordic UART implementation. This is user code, and I don't know...
Hi, I'm trying to adapt the stm32f4 library from:
link text
to run an nrf24l01+ with an stm32f373. After some initial SPI headaches, a lot is working. In the initialisation...