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...
I was going through all the supported SDKs for the nrf52840 and in all of them, it is mentioned that the ESB and FreeRTOS support is not there yet. Could someone please let...
Hello, I'm trying to implement a buttonless DFU via ANT for a custom nRF52 board. I've got the 212 v4.02 Softdevice and I'm using the 14.0.0 SDK. I am able to transmit and...
Dear
i want to nrf52832 to collect accelaration sensor data（SPI communication 8MHZ）.
The sensor output datas per 250us,nrf52832 will lost the sensor interupt when 52832...
Good evening. I write a project on nrf51822 in which there are a number of services with a set of characteristics (write and read). I need to limit access to some characteristics...
Hello, I am working through the tutorials to understand how to better use the SDK. I am currently on the Advertising tutorial and have gotten a strange error that doesn't...
I'm developing an accurate and low drift millisecond-resolution timer on the NRF52. I'm limited to the resources on the NRF52 itself. Details of the system:
Initialise...
Is there anything special required to make a n52832 work the very first time the chip is programmed? Fuses to set, etc?
I'm new to nordic chips and I was handed a board...
While creating a DFU bootloader based on the bootloader_secure_ble example, I was having trouble getting a device to boot into DFU mode.
Initially the device would get...
(Sorry for the formatting. I don't know what's going on with it--the preview looks ok!)
I'm creating an application that uses
a modified version of the ble_nus
example...
Hello guys,
I have problem, I activate the BLE and connect it to my tablet application until then nothing wrong happens. But when I use sd_ble_gap_disconnect() to disconnect...
I plugged my nRF52 evaluation board to PC using a micro USB cable, dragged a ble_peripheral hex file from Nordic examples to the mounted JLINK drive, started up nRF Connect...
Hello,
I am using nRF SDK 12.2.0 , with nRF52832 on pca10040 hardware, and working with the example in examples/peripheral/spi/main.c to develop a driver for LIS2DE12....
In nrf51422, what is the behavior of these registers when an external rail-to-rail clock source is applied?
Do I have to issue HFCLKSTART? If
not needed, does issuing...
Hi,
I am testing the light_switch demo of the nrf5_SDK_for_Mesh_v0.10.1-Alpha_src.
I don't have 32kHz osc on my server board, so I have to change the clk config. I config...
