7 段显示器共阴极 - 3 个 74HC595 - 3 个 680R电阻- 24pcs 5V电源 面包板 很多连接线 带有ESP32编程环境的ArduinoIDE。 一根微型USB数据线 示意图 ESP32 7 Segment Display的原理图如下- ESP32 与 74HC595 相连。移位寄存器的数据管脚与PIN14相连,Clock管脚与PIN12相连,Latch或strobe管脚与PIN4相连。您可以...
SevenSegmentTM1637 display(5,6); void setup(){ display.begin(); display.print(“ABCD”); }void loop(){ } 自定义时间 #include <SevenSegmentTM1637.h> SevenSegmentTM1637 display(5,4); void setup(){ display.begin(); }void loop(){ display.print(“3689”);} 显示秒表 #include <EEPROM....
Medium 26 pixel high font, needs ~5848 bytes in FLASH, 96 characters #define LOAD_FONT6 // Font 6. Large 48 pixel font, needs ~2666 bytes in FLASH, only characters 1234567890:-.apm #define LOAD_FONT7 // Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters...
滚动实现自定义字符串 #include <SevenSegmentTM1637.h> SevenSegmentTM1637 display(5,6); void setup(){ display.begin(); display.print(“ABCD”); }void loop(){ } 自定义时间 #include <SevenSegmentTM1637.h> 米思齐ESP32蓝牙 #include
Some components as pushbuttons, LEDs and a display are not always to hand. This is where the ESP32 Pico Discovery Board comes in, along with these essential components it also has a potentiometer and 7-segment display on one neat board.Erik Bartmann...
#include <Adafruit_GFX.h> // Core graphics library #include <Adafruit_LEDBackpack.h> #include <Adafruit_7segment.h> // 定义HUB75点阵屏的接口引脚 #define LATCH_PIN 2 // Latch引脚,用于锁存数据 #define OE_PIN 4 // OE引脚,用于输出使能 #define R1_PIN 5 // 行选择...
Demo 37: Display distance measured by ultrasonic sensor using module 7-segment-LED-N-Digits Demo 38: How to decode error/exception "CPU halted" of ESP on Arduino Demo 39: Demo 39: ESP multipart upload a file and download a file via HTTP ...
for (int i = 0; i < 2; i++) { dot = 2 * (PIXEL_PER_SEGMENT * 7) + i;...
Support both 7-bit and 10-bit addressing modes Dual addressing mode SPI: ESP32 has three SPIs which are SPI, HSPI, and VSPI. These SPIs also support the following general-purpose SPI features: Four modes of SPI transfer format (depend on the polarity and the phase of the SPI clock) ...
-.apm#defineLOAD_FONT7// Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters 1234567890:.#defineLOAD_FONT8// Font 8. Large 75 pixel font needs ~3256 bytes in FLASH, only characters 1234567890:-.#defineLOAD_GFXFF// FreeFonts. Include access to the 48 ...