Programmer Group

IDO-EVB6Y09 is a multi interface internet of things gateway device equipped with NXP imx6uliec processor, with a maximum dominant frequency of 800MHz. It has three functions: 4G industrial router, 4GDTU and industrial HMI. It supports the wireless communication mode of WIFI Bluetooth module and 4G all Netcom module, and provides multiple functi ...

OTA introduction: The full name of OTA is over the air. In embedded systems, it refers to the online software upgrade of an embedded system. As for MCU system, it is an online update of Firmware for the whole MCU, so it is also called FOTA. DFU is also called Device firmware upgrade. All have the same meaning. OTA is used here. General MCU gene ...

brief introduction This routine issues the instruction for NodeMCU-ESP8266 to connect to alicloud Iot platform. In fact, it publishes messages for the specified device Topic to achieve the effect of control. Specifically, it publishes messages to the Topic of product / product details / Topic class list / object model communication / sys/gmvzw ...

Hello, I'm Lao Wang~   It was originally planned to do a project related to local database storage, but the official partner told me that the ArkUI database does not support the latest simulator at present. So I can only think about other things. I thought about it for about a week. During this period, I was also investigating whether the t ...

Tips: Slide event: after clicking, slide this module. Common scenes: rotation chart sliding, article list up and down linkage, novel page turning, etc. Common actions of sliding events: Press, move and release   We learned the click, double click and long press events. Today we will learn a new knowledge point, sliding event, whi ...

Tips: In the previous article, I shared how to jump to a page. Today we will continue to talk about click events in detail. Tomorrow we will continue to share double-click events and long-click events   1. Click event There are four kinds of click events in HarmonyOS. Next, let's introduce the four kinds of click events and how to i ...

Tips: Before creating a project, you should select the development language. The author uses Java development. If other readers also use java development, you can operate together. For example, links to other development manuals are as follows: Development using JS language (traditional code mode),Development using JS language (low code mode ...

How dare a small code farmer say he can't collect Analog quantity - > digital quantity (ADC module) Relationship between analog quantity and digital quantity of single chip microcomputer The CPU circuit of 5V single chip microcomputer is binary. In the operation process, there are only two kinds of voltages: high level 5V a ...

catalogue Test requirements: Experimental equipment: Experimental ideas: Experimental steps: Summary: Program source code: Test requirements: Collect 50hz AC through stm32ADC and display it through serial port Experimental equipment: Wildfire stm32MINI series with stm32f103RC chip Experimental ideas: Trigger ADC through Tim (time ...

This article was originally published by RT thread forum user @ recan: https://club.rt-thread.org/as...1 problem scenarioI believe many people, like me, have just come into contact with RT thread and are on the way to learn RT thread. However, learning an embedded real-time operating system without a hardware development board, in my previous u ...