I use a app_timer_create() function to create a task(200ms once)
when in the task_timeout_handle() ,
I do something more than 200ms,
what will this timer going ?
Hi!
I use nrf51-pwm-library ( github.com/.../) to control brightness of LED RGB light source and it works ok till I don't want to adjust brightness slowly (dimming function...
hello,
are there any completed sample code of using pwm0, 1?
just 2 or 3 word can working like following? or need other config?
pwmcon=xx;
pwmdc0=xx;
pwmdc1=xx;
also...
I am planning to migrate to SD 7.0 and SDK 6.0 in order to use the static pass key capabilities. When using the static pass key how should security params be initialized ...
Hi Hakon.... when i compile my project i get some linker errors,
._build\gzll_host_ack_payload.axf: Error: L6218E: Undefined symbol __main (referred from arm_startup_nrf51...
I'm trying to perform communication between my device and iOS and I ran into some problems. For tests I'm using iPod touch 5 with nRF Toolbox and LightBlue apps and nRF51822...
I've been using Master Emulator API 2.1.3 in Visual Studio 2010 Express, and have spotted a fix I may need in 2.1.5 so I've switched to using the 2.1.7 API. However, I've...
Hi,
our appliction need to using I2S worked at 96kHz sampling, and i find two parameters , MCK and the CONFIG.RATIO,but when i use this formulation:
LRCK = MCK /CONFIG...
Hello,
I think about connecting two central devices (nRF's 52840) using one common antenna. One device will be only RX and will scan for a advertisements, second will manage...
Hi, I am from China. My company made a BLE module with chip nRF52810. Recently , I coded a program for it by SDK12, based on ble_app_uart example. I modified the corresponding...
I have setup the nRF52840 DK as below
https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/how-to-setup-the-thread-demo-displayed-live-at-google-i-o
Setup WireShark...
Hi,
We are currently going to try and implement FOTA/DFU with an nRF52840 controller and an nrf52832 peripheral. Is there any example for how this can be accomplished...
Hi,
I currently have a nRF52840DK pre-programmed with the DFU over BLE, but with the debug version. I am unable to physically get to the device, if I wish to perform a...
Hello,
We are using the SPIS on the nRF52832. We are seeing a higher than expected consumption when it's enabled and not used.
I measure around 7uA extra when enabling...
Hi:
I test the system off mode, I attached a micro vibration sensor. Pulse generated when shaking as follow.
the button config is BSP example default(toggle) , i try to...
Hi,
I am testing the blue_app_uart example and I want to send data
from my smartphone uart terminal app,back to the nRF52840 DK,
Nothing is being received by the segger...
In the latest Mesh SDK, nodes are subscribed to a GROUP address. In previous versions - 2.0.0 I believe - you could also send to a predetermined node.
I am trying to figure...
Hi I am reviewing the nRF52840-DK hardware documentation to make boards with good antenna performance.
Q1. I have divided it into three areas as shown below. Is my understanding...
Hi,
I have been trying to use Keil MDK's Middleware File System with my application. However, when I try to set the Software Component under Manage Run-Time Environment...
Hi, I am from China. My company made a BLE module with chip nRF52810. Recently , I coded a program for it by SDK12, based on ble_app_uart example. I modified the corresponding...
Hi!
I am using the Segger embedded Studio with PCA10056 successfully. Now I have to evaluate LARD DVK-BL654 (because it has external antenna). I found a guide which says...
I am trying to flash my custom board that uses the Raytac nRF52840 via SWD. I am trying to flash a custom bootloader onto the chip; however, JFlash is giving me an error....