I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
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...
So im basing my project on your Android-nRF-UART-master example found in github, i don't know if its a app bug or issue regarding the circuit, but first connection is always...
I want to send over Uart when Button1,Button2, Button3 and Button4 are pressed.
static void button1_pressed(void)
{
printf("\r\nButton 1 pressed\r\n"); //Turn on
}...
Hi,
I'm starting to work on nRF52 with eclipse (on Ubuntu). I use this tutorial to configure everything : devzone.nordicsemi.com/.../
Everything looks good but when I try...
Hello,
I am having difficulty having two nRF24L01P's communicate with one another.
I have set up the devices in what I thought was a minimal system.
I will appreciate...
What is the switching frequency of the DC/DC regulator in the nRF52832? The DC/DC is great for reducing power consumption, but I am worried about the switching noise getting...
Hello.
I am trying to save i/o lines on an 8-pin PIC, and planning to run an nRF24L01P with its CE pin tied to VDD. I am willing to power-down to get out of the RX mode...
Hi
I am using an Identive NFC reader/writer SCL3711 and their sample app to read tags.
In the sample app, through the debugger I can see that it is registering an NDEF...
hello, Nrf24LU (Rx) , nRF51822(Tx).
The Nrf24LU Can only receive one packet。
if I use this function twice , like this:
The Nrf24LU can receive Continuous.
I guess The...
Hi,
I use nrf51422 and integrated BMA250E for Pedometer,
Now I can count the step but I dont how to calculate the speed, cadence and stride length like below
static void...
Hi All,
From my firmware I need to send large ble packets say of 1 K to the phone.
Is there any library or example code for sending large packets. Currently I am splitting...
Hi,
Our application requires that we connect a nRF52832 to a Microchip PIC32MZ host via the Nordic parts UART (RS-232 at CMOS levels).
In a previous application, we...
Hi everyone,
I've been testing SPIM with easyDMA, using nrf_drv_spi. I'd like to flush a 6-axis sensor FIFO in one SPI operation (31 samples * 12 bytes = 372 bytes) but...
Hi,
I am working with the ble_app_uart (central and peripheral) example and they already run fine. Now I discovered that some button actions are already defined on the...
Hello,
I have created the simple software usign NRF51DK to make the led blink for 5 times by using while loop
just to make the other part of my software
my aim of this...