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...
I posted recently ( https://devzone.nordicsemi.com/f/nordic-q-a/40381/interfacing-with-mcp4725-with-twi-registers ) and after editing the post, I can no longer access it ...
Hello, boss, I used twi read/write data from others device, I find a strange problem, When in no-blocking mode, mainly loop use "sd_app_evt_wait" TWI can't write data to others...
Hi, all. I have been going through the mesh examples and have been able to do the light switching, dimming etc examples and have used the RTT as well as physical buttons to...
Hello everyone,
My problem is the next one :
I bought a Nema 17 stepper motor (this one : https://www.pololu.com/product/2267 ) and it’s driver (this one : https://www...
It appears to be an error in the function signature `sd_ble_gatts_hvx()`.
Since the call is made via software interrupt, the const qualifier is cast away regardless.
So...
I am trying to implement the HAL interface for USB devices in Mbed for the nRF52840. Mbed is currently on nRF SDK14.2 so I may not have all the most recent bug fixes for the...
Hi,
I would like to run a different LWM2M client other than leshan LWM2M. Could you please answer me following questions:
i) Can i run any other LWM2M client written in...
Hello,
To improve the performance of SAADC, I would like to isolate the SAADC from the bad effect of DC/DC and RF.
I assume that SAADC has some noise because of DC/DC...
SDK 15.2's scanning module tries to connect to advertising peers that pass filter criteria when the nrf_ble_scan_init_t connect_if_match field is set true even when the advertisement...
Hi Forum!
I have to understand NRF52 chip for my job! I used to work with STM32 before. It has "Interrupt" (e.g when I receive one byte via SPI, It generates one "SPI_Rx_Interrupt...
Hi, all. I would like some serious help. I have three nRF52840 boards and have been running all the examples from the blinky to light switch/dimming. I am, however, stuck...
Hi,
could you please explain me what nrf52840_peripherals library (located in nrfx folder) is actually doing and what do the numbers next to the definitions mean ?
I see...
Hello everybody, As part of the evaluation of the nrf52840, I have made range measurements. In the course of this I was also concerned with the question to what extent the...
hi,
I am compiling nrf52840 light switch sample code in an embedded studio, I am getting the error as extern "C" {: Invalid argument, how to get out of this
