Programmer Help

preface When winter comes, I wake up in the morning and don't bother to get out of bed, but for everyone's sake, I still resist the cold and risk my life to prepare this issue of articles for you. I wonder if this is worth your praise o(´ ^ ') O. of course, after so long, I know you won't praise it if you don't see the goods. I'd better ...

[this article is participating in the "2021 Aizhi Pioneer - Essay Contest"] https://mp.weixin.qq.com/s/I2...prefaceTwo sensors were made before 2021 Aizhi Pioneer - human presence sensor - CSDN community and DIY smart home from scratch - intelligent light sensor based on ESP32_ Inspired desktop blog - CSDN blog As a result, control th ...

AT24C02 detailed read and write address bits If you just read the AT24C02 document, it is very abstract and difficult to understand. Combined with program and actual communication waveform; To describe. After purchase, GND is connected by default. The address of installing AT24C02 is 0xA0 Sample program (write a character as an exa ...

1. Establish a network server for esp8266 Note: by default, our browser or mobile phone uses port 80 to access the server #Include < ESP8266WiFi. H > / / this program uses the ESP8266WiFi library #Include < esp8266wifimulti. H > / / esp8266wifimulti Library #Include < esp8266webserver. H > / / esp8266webserver Librar ...

[this article is participating in the "2021 Aizhi Pioneer - Essay Contest"] https://mp.weixin.qq.com/s/I2s99dZpbP0QpMiKFneYJA preface Two sensors were made before 2021 Aizhi Pioneer - human presence sensor - CSDN community and DIY smart home from scratch - intelligent light sensor based on ESP32_ Inspired desktop blog - CSDN blog As ...

NodeMUC development Lesson1 1. Circuit diagram of development board GPIO: general I / O pin, corresponding to the pin corresponding to ESP8266 chip (blue in the figure) ADC: start with a, analog pin Vin: another way to power NodeMCU 3V3: provide 3.3v voltage for the outside world DigitalRead: Digital pin: as an input, it cannot ...

Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it preface Out of interest, I made a small experiment of opening the door with IC card by using Internet query and my own brain, which is also the first finished product I made. The method o ...

Introduction to serial communication Reference article (written by the boss is very good, you can go and have a look) The serial communication supported by arduino includes UART,I2C and SPI According to the transmission direction of serial data, we can divide communication into simplex, half duplex and duplex Simplex It means that data tra ...

1, Install VS Code Official website https://code.visualstudio.com/ , download and install directly. 2, Installing the Arduino IDE Official website https://www.arduino.cc/en/software If the official website is too slow, you can also download it elsewhere https://www.arduino.cn/thread-5838-1-1.html 3, Install ESP8266 support package in Arduin ...