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...
Hi,
I'm developing with 52840 DK, trying to add peer manager to another project I've modified from ble_app_uart (basically I've added saadc, SPI, USB and I2C module based...
Hello
I was setting up the nordic thing 91 (1.4.0, 2020.23) using this video https://www.youtube.com/watch?v=xQ7hDzRULJQ&ab_channel=NordicSemiconductor .
Things were...
I'm starting to design a custom board around the NRF52820 using a 3.7v battery and there is no reference circuity for VDDH using Battery/Ext. regulator. Any tips on what I...
Hi,
We are in the process of evaluating coded phy transceiver for our next product. The product is a IoT node which will send sensor data to centralized gateway and will...
I am using nrf_drv_twi_rx to initiate an I2C read transfer but the interrupt isn't fired for the RX transfer when the ulTaskNotifyTake is used, but seems to work without ulTaskNotifyTake...
Hello, I am making a system with 20 peripherals to a central base on nRF52840. I followed the firmware."ble_app_uart__saadc_timer_driven__scan_mode" from NORDIC playground...
Hello, i I am designing a prototype, the goal is to be able to control a small engine. This engine will be activated when a message is received in MQTT. I currently succeeded...
Hello, I developed for my customer, a ZigBee coordinator in last 2019, using nRF5 SDK for Thread and Zigbee v3.2.0. I have now two questions: - is ZigBee 3.0 supported by...
I'm currently working on the nrf52832_qfax_dcdc pcb after adding a few components. I need to route to pins p0.22, p0.23 SWDIO and SWDCLK but am unable to route away from the...
Hello,
I noticed that publishing mqttsn messages with a payload larger than ~255 bytes caused an error in the mqttsn library. I think the problem comes from this definition...
I am developing an app for the 51822 with 16KB RAM, which is supposed to integrate the buttonless DFU.
I have attached the whole hex of the merged application+softdevice...
Hi Nordic Tech Support,
Our company is evaluating nRF5340 for future project. I have brought one nRF5340 DK, and I am following the online guide to build and program the...
Setup:
periheral: RF52840, S140 softdevice (SDK 15.3)
central: for test/development: laptop with Linux and BLE adapter build in, and/or Raspberry Pi, using Python testing...
I'm using the nRF5340 (currently nRF5340DK with custom hardware following shortly) and NCS 1.6.0. I'm working on a project that needs at least two UARTs and one SPI master...
