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,
I have the D52QD2M4IA-A chip (from dynastream) that has inside nrf52832 chip. It has also builtin an onboard LIS2DH accelerometer. However when I am trying to connect...
Hi,
I am working on nrf52832. I am preparing application where I need to handle central connection with two peripherals and keep tracking time. I know that softdevice has...
The data sheet recommends that both the TWI clock and data lines use pull ups and the GPIOs should be set to S0D1, essentially open collector drive. I can see the need for...
When trying to follow this guide for testing bluetooth mesh on a nRF51 dev-board Cmake returns this error:
../build $ cmake ..
CMake Error at CMakeLists.txt:16 (include_directories...
Hello, I have had luck in Keil making two NRF52 connect with NUS, central and peripheral. My goal is to have one central speak to multiple peripheral at same time via a piconet...
Hi
I have just baught some nRF52840 DK boards,
and I can test the BLE throught between those nRF52840 DK boards successfully.
This indeed help us a lot about research...
Hi,
I am using SDK 12.2.0 with my custom board. As per the my requirement, i need to ground or set logic 0 of my gpio pin no. 12.
So, how can i do this?
good morning to all
I wanted to ask if anyone has a design of nrf51822 where an external temperature sensor is used, to know how the connection to the chip is. Should I buy...
Hello,
I am learning about the behavior of "Notify" transmition.
From some web sites including below, I understood as follows.
devzone.nordicsemi.com/.../
So could...
Hi,
I am new to arm and ble development. I am used to work with AVR mcus and I am trying to migrate a project from AVR to nrf52.
AVR usually has some "General Purpose...
I'm transmitting data packets each of 48 bytes in the form of notifications using Bluetooth 5.0. When I observed the logs over sniffer, I see that the packets are fragmented...
Hi,
iam new to all this and hardly find answers for my question:
Is it possible to pair a nRF51422 with an Ant+ remote especially Bontrager TransmitR and use those remote...
nRF52832
Hi,
I am a little confused as to what component uses ble_flash (...drivers_nrf\ble_flash\ble_flash.h/c) and why? What is the difference between this and SD...
Hello all,
I've ported the buttonless DFU example to my project without the buttons or the LEDs, but I only tested the bootloader and not the uploading capabilities with...
I want to know the details of "DTM testing using nRFgo Studio".
On page 52 of "User Guide v1.4 of nRF51822 Development Kit" says, "For details on how to use the Direct Test...