I want to build nrftoolbox app in android studio. I downloaded the zip file from the github website and also the required dfu library. I unzipped both the files in a folder...
Hello,
I have a device based on nRF51822 revision 2 and SoftDevice S110 v7.1.0. Because it is revision 2 it is affected by PAN44 and PAN45, and by default the SoftDevice...
Hi Guys,
I know this is more for software issues. But I was curious as to where I can find trusted case providers/makers for the nrf51822 Beacon. Can anyone from the community...
Hi,
Has anyone converted the Adafruit graphics library for Arduino, Adafruit_GFX.h, to be compatible with the nRF51?
Could you please advise on how to convert this Arduino...
Hi all,
I have a few questions:
How is that ADC's common mode rejection capabilities? Rejection for 60 Hz interference, etc...
The datasheet has "typical...
Hi all !
I'm trying to evaluate the throughput i can have between a Motorola 4G and the nrf51. The nRF51 is the peripheral and the phone is acting as a central.
To do...
ble_app_beacon.rar hello there i used ble_app_beacon example. i want to make some modifications. i want to put it in sleep mode after some time and again wake up after some...
Hi,
I am trying to run the example ble_central_and_peripheral_experimental (SDK 9), I program the device with S130 and the hex file. The other two devices I program it with...
Hi,
What is the meaning of "NRF_CLOCK_LFCLKSRC_RC_250_PPM_250MS_CALIBRATION"?
It means use the internal RC clock source, but what is the meaning of "250_PPM_250MS_CALIBRATION...
My application uses the WDT. In my application, I use a soft reset to enter the bootloader. Because the soft reset does not reset the WDT the program will reset while in the...
Hi, current i'm writing a program in nordic nrf51822 chip and I facing the problem of region RAM overflowed with stack after adding the BLE code as shown below :
//***...
I have a RFID application in which there is a Reader and a tag. The Reader reads the tag information once the tag is in the Reader's range. The tag is an active tag.
The...
I'm working with app_fifo_uart and I'm seeing that my event handler gets the event 'APP_UART_TX_EMPTY' repeatedly. Multiple times a second. Is there any reason for this? Can...
I am using my nrf51-DK with mBed for prototyping. I noticed recently, that the DK had stopped broadcasting a BLE service, so I followed instructions to update the firmware...
I was under the impression that HomeKit was an extension of the MFi Accessory Interface Specification, which relies on the iAP protocol to access additional functionality...
Hi, I'm trying to run the ble_app_uart_s132_pca10040 demo but I can't get it to work.
We're using Keil 5.17 and downloading the example from the pack installer.
The packs...
Hi,
I always see HardFault when I debug a float point code. But it can run smoothly in run-time.
Firstly, I use code Style-1.
float val
val = (int32_t)NRF_ADC->RESULT;...
Hi,
We decided to add NFC functionality to our nRF52 open source sensor beacon design, RuuviTag: http://ruuvi.com
I would like to ask your opinion about the antenna...
I'm quite new to the Bluetooth development in gereral...
I want to design a Hardware using the nRF51 Dongle as the reference Design.
The plan is to take the Altium Files...