I am looking for cheapest (up to few hundred USD) and simplest Arduino basic solution to track real-time RFID tags distance (also direction if possible) without additional...
Hi all,
I am new to Nordic semiconductor but I could be interessed by nRF9E5. To check if it could fit my requierement, I would like to know if it possible to configure...
Hi,
I am using ADC without external reference and no analog input in order to measure the battery level with a timer (code at the end).
I am also reading several ports...
Hi,
I'm programming the nRF51822 and save some user data into the FLASH by using pstorage_update . It works fine if I set system off mode, and wake it up. I can read back...
Hi,
I have been using nRF51822 with my Android app using Android's Bluetooth Low-Energy APIs.
In order to get more details, I am currently working on integrating the Android...
I'm looking at interfacing a typical Wheatstone bridge sensor to the nRF51822 ADC. This particular sensor only requires a mA or two for excitation and the output fits within...
When use the "nRFBeacons" app to update the info on my beacon the following happens:
Go to update tab.
Select "Connect"
Press "SW2" on beacon and see the LED begin flashing...
Hi,
i did an app, that shows battery level. it's working, and show the vlaue i publish.
The app is the client and Master Control is the server ( the master control connect...
hi
i have nrf51422 v2.
is uart over ble want another microcontroller for send and recieve?
i mean can we send information by uart over ble by itself or i need another micro...
The configurability of the HCI Transport Layer for UART-based DFU in components/libraries/bootloader_dfu/hci_transport/hci_transport_config.h leaves something to be desired...
In the nRF SDK version 11 (specifically, this download ) some functions are either declared or defined to be __WEAK .
I will use app_error_fault_handler(uint32_t, uint32_t...
Hi, I found a bug with weak function declarations in SDK11, using GCC.
app_error_weak.h contains the following declaration:
#ifdef __CC_ARM
void app_error_fault_handler...
Hi Nordic Community and Developers,
I'm a beginner in the RF world and I'm designing a small Bluetooth module using nRF51822 to acquire the RF knowledge and to use it in...
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...
Hi,
How Can I verify if my CPU has entered Low Power mode??
I have power manage function running in the main loop , but when I put breakpoint on sd_app_evt_wait() or...
I am trying to read data from SPI slave on the nRF51DK using mbed online compiler. To do this the mbed SPI library (class) includes a method called transfer. When I try to...
Hi,
I am trying to save some parameters after disconnection pstorage_clear or pstorage_store will not return to the pstorage callback function. I am working under SDK 9...
Hi.
I have a question.
I use nRF52 Preview DK, PCA10040, SDK11,
I tryed some examples in nRF52_SDK.
Some projects moved,and some another projects didn't move.
I...
I don't find the information in the nRF51822 documentations and in this forum.
How can I know that? Is there some register to check, or some hints to know that debug mode...
hi,
i am using the nrf51422 and trying the UART example ( in order to connect the nrf51422 and a stm32f4 using serial connection)
what i didn't understand is what does the...
I am using a nRF51822(pca10028) for current measurement. I had set up the devices as told in user guide. I am using SDK 11.0, softdevice s130 and default ble_app_pwr_profiling...