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] =...
hello,everyone.we want to use pin3 and pin4 as txd and rxd,but there has error.could you give us some help?
void debug_uart_init(void)
{
uint32_t err_code;
const app_uart_comm_params_t...
hi,
i made my nrf 52840 dk advertise unlimitedly using ble_app_uart example. connected and disconnected several times using nrfconnect app. it really works fine. with this...
Hi,
I'm using nRF52832 and LDETECT mode for GPIOTE PORT event to detect multiple interruption.
Even though LDETECT mode is described in the product sheet page 112 and...
Dear friends, my current measuing instrument is Power Profiler Kit. I have some troubles when i use it. e.g. 1) how to completely stop an updating plot that a PPK draws? even...
Dear friends, 1) As shown in the pic below, there are some values "max:13.70, min:3.33, rms:3.45..." at the bottom of the pic. which area is these values calculated from?...
I'm finding fairly large lags with the RTC2 I'm using. I use an app_timer to sample the current RTC count value as a timestamp (MM:SS:Hundredth-of-a-second) and send it out...
Hi all,
I have a question to complete the tutorial 'Setting up device firmware update(DFU) on the nRF5 DK'. this
I have tried to set up my nRF51 Development Kit.
Everything...
I am facing wierd behavior after migrating to sdk 10 serialization code i.e ble_connectivity example program. Unable to scan peripheral devices, some times unable to connect...
in SDK14 I'm trying to add an SD card into the BLE central example.
The SD Card example compiles and runs OK. Problem happens when I combine that code into ble_app_uart_c...
Hi,
I'm checking whether SDK 13.0.0 secure bootloader dfu can proceed correctly with iOS DFU library if the process is interrupted because smartphone application is restarted...
Hello,
I want to enable UART only when it is necessary to send data.
I want to use ble_app_uart_low_power_master or ble_app_uart_low_power_slave
The URL of ble_app_uart_low_power_master...
Hello,
I've been working on the ble_multilink example and managed to combine that with the ble_hrs_c example to connect to multiple heart rate units and receive the data...
I create software uart librarty for nrf52832. For one pair tx, rx it's worked (on 9600, 19200 baudrates). Then I create multi-instance software uart (all of them gonna use...
Hi,
I have recently inherited a project from a former worker. The code intends to read data from a peripherial through TWI (the peripherial is a Si7053 digital temperature...
The SAADC on the nRF52832 consistently reads 20-30mV low, regardless of the source (AIN channel or VCC), Tacq, Resolution, or gain. All of the measurements are using the internal...
