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 have an NRF52 DK, and an IM21 door sensor that advertises events. I am trying to pick up these events with the nRF52DK in the most robust way possible. I have used the scanning...
Hello Experts,
When I use a X-Ray machine to check appearance of NRF52840 . But I found out that there were some abnormal phenomen as same as a photo below:
Any body...
I'm developing a beacon-like product using an nrf52840 with S140 on CR2032 battery. In PS under sleep current draw, it list 0.97uA for system ON, RAM retention OFF. I'm trying...
Hi, I have developed a BLE/ZigBee application starting from nRF5 SDK for Thread and Zigbee v3.2.0. Now I need to add a "timer" for measurement timing most precise as possible...
Hello all. Is there a possibility to implement a "software watchdog" on the nRF51822 SoC. I would like to react with this watchdog not on external events (e.g. hardware-actions...
Program received signal SIGTRAP, Trace/breakpoint trap. HardFault_Handler () at ../../../../HAL/NRF52/HAL.cpp:122 122 __debugbreak(); (gdb) bt #0 HardFault_Handler () at ...
Hi,
I've added usb function to nRF52840 project accroding to usb sample projects.
The function was all right but the device manager showed the the 52840 as "USB serial...
Using windows 10 OS, and SES v5.40.
I am using nRF52833 device in my project along with nRF5_SDK_for_Thread_and Zigbee_v4.1.0_32ce5f8 SDK.
The timer is called for every...
I have a Fanstel BT832X evaluation board (model EV-BT840(832)-V4). Nordic examples without softdevice are working fine. Examples with softdevice are not working. I have checked...
I’m getting some strange behavior after repurposing the WS2812 driver sample with the following code. Note that my code has Bluetooth enabled. It seems like it might be some...
I use ncs1.6.0 to develop on nRF52832DK. The current requirement is to enable PA LNA support on mesh.
I learned how to use FEM driver through this blog . I added the corresponding...
Hello,
Is it okay to supply the nRF21540 with a DC/DC or do I need to use an LDO? Are there any performance differences of the nRF21540 when choosing one over the other...
I'm finding that the signal strength of the radio is too low in my nRF52840 custom BLE project. I would like to increase the radio power from the default 0dB as our RSSI values...