Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
This is not a real question for support. It's more a success story i'd like to share with you!
Our company develops firmware for various customers on a lot of different...
Hi all,
What is the maximum data rate for the nRF24AP2 when using the Synchronous serial interface?
I cann't see it in the datasheet.
Is there anyone can answer me...
Hi,
In my design, there is a tag used by 24l01,It can transmit the temperature value.In the tag, the parameters are like this:
addrofch[0] = 0xe7;
addrofch[1] =...
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
