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 just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hi, all
I added a scanning module to the example 'ble_app_uart.c', so each one works well.
What I want to do is advertising and connect at the same time while connected...
What is the best practise for multichannel SAADC conversion in ultra low power devices? For example I have to measured 4 channel in interval 250ms. Below what I try:
...
Hi, Dear Nordic & all:
when I run the ble_app_hids_keyboard example in nrf52820(SDK17.0.2), I meet a question:
1、Frist I use my iphone connect ble device and pair success...
Dear Nordic:
so I want to know In nRF52 serials chips, How much HFCLK CONTROLLER ppm is the frequency offset distribution and production FT control range? Do you have any...
Dear all, now I am making a data sampling system with multi peripherals and one central. The peripherals sample data from sensor via SPI port and transmit data to the central...
Any SSD1306 example for nrf51822 ??? I found this but is for nrf52.. i try to add it for my nrf51822 but there are tons of functions with different declarations in my sdk...
I have nRF5340dk board and my question is that can I use only networking processor to run the BLE applications? If not why? As the Radio hardware is only connected to networking...
Hello , I want to read analog values from potentiometer using analog pin P0.04 (A0) on nrf5340 with zephyr ecosystem . Where can I get beginner documentation like setting...
Hi,
I'm a beginner, and currently working to implement a low-power controller using nRF52-DK and Power Profiler Kit (PPK).
I ran the following codes (system off) and expected...
I have setup a 1-1 paired central(+peripheral) <=> peripheral Central is a 52832, SDK 16.0, SD s132 v7.0.1 peripheral is a 52811, SDK 16.0, SD s112 v7.0.1 My code is based...
in this example
/root/ncs/nrf/applications/serial_lte_modem
I want to build_nrf9160dk_nrf9160 in secure mode
but compile error #ifndef CONFIG_TRUSTED_EXECUTION_NONSECURE...
Hello,
I am confused on which plateform I should use to program my nrf52832 chip.
First it is advertised to use Segger Embedded Studio that I am trying to configure...
Hi all. I am using Keil for programming a nrf51822 & SDK 12.3 I want to use the SSD1306 OLED Drivers in my project I follow these steps: 1) I copy .c and .h files form github...
Hello,
Im using a NRF52840 custom made board and im having some issue with the I2C communication. There are 3 units on the I2C line, the MCU and two sensors, the diagram...
Hello,
I am doing a project for college with nRF52840. It's about a mobile phone with an app that send the location of the device when a user touch a button. This message...
