1. Introduction
2. Schematic
OLED display module - HS-F19-L schematicClick to view
Module Parameters
Pin Name | description |
|---|---|
GND | GND (Negative Power Input) |
VCC | VCC (Positive Power Input) |
SCL | Clock Signal Communication Pin |
SDA | Bidirectional Data Communication Pin |
Power Supply Voltage: 3.3V / 5V
Connection Type: 2.54mm Header
Installation method: Screw fixed
4, Circuit Board Size
5 of Arduino IDE example program
Attention: If prompted with an error message about the library file during program upload, please import the library file first!
Arduino IDE Library Download and Import Tutorial:Click to view
Example program (UNO development board):
#include <U8g2lib.h>
#include <Wire.h>
#include "CEJU.h"
#include "DW.h"
U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, U8X8_PIN_NONE);
//ๅญไฝ๏ผๅๆ้ปไฝ ๅญๅท๏ผ16px ๆพ็คบๆๅญ๏ผHello
/*
------------------------------------------------------------------------------------------------
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| |
| |
| |
| |
------------------------------------------------------------------------------------------------
*/
//ๅญไฝ๏ผๅๆ้ปไฝ ๅญๅท๏ผ16px ๆพ็คบๆๅญ๏ผSTEM
/*
------------------------------------------------------------------------------------------------
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
|0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
|0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
|0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
|0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
| |
| |
| |
| |
------------------------------------------------------------------------------------------------
*/
void page1() {
u8g2.setFont(u8g2_font_timR18_tf);
u8g2.setFontPosTop();
u8g2.drawXBMP(20, 30, 48, 16, CEJU);
u8g2.drawXBMP(60, 30, 48, 16, DW);
}
void setup(){
u8g2.setI2CAddress(0x3C*2);
u8g2.begin();
}
void loop(){
u8g2.firstPage();
do
{
page1();
}while(u8g2.nextPage());
}6, ESP32 Python Example (for Mixly IDE/Misashi)
Choose the development board Python ESP32 [ESP32 Generic(4MB)] and upload in code mode
Attention: If prompted with an error message about the library file during program upload, please import the library file first!
Download and import tutorial for Mixly IDE ESP32 library:Click to view
Example program (ESP32-Python):
import machine
import oled128x64
i2c_extend = machine.SoftI2C(scl = machine.Pin(22), sda = machine.Pin(21), freq = 100000)
oled = oled128x64.OLED(i2c_extend,address=0x3c,font_address=0x3A0000)
oled.shows('HelloSTEM')7, Mixly example program (graphical language)
Example program (UNO development board):Click to download
Attention: If prompted with an error message about the library file during program upload, please import the library file first!
Download and import tutorial of Mixly IDE Arduino library:Click to view
Example Program (ESP32 Development Board):Click to download
Attention: If prompted with an error message about the library file during program upload, please import the library file first!
Download and import tutorial for Mixly IDE ESP32 library:Click to view
8. Setting up the Test Environment
Arduino UNO Test Environment Setup
Prepare Components:
HELLO STEM UNO R3 PRO DEVELOPMENT BOARD *1
USB TYPE-C DATA CABLE *1
OLED display*1
1P female to female Dupont wire *4 pieces or 2P female to female Dupont wire *2 pieces
Circuit wiring diagram:
ESP32 Test Environment Setup
Prepare Components:Pending update...
Circuit wiring diagram:Pending update...
9, Video tutorial
Video tutorial:Click to view
10, Test results
Arduino UNO test results:
Display the text and images set in our program on the OLED screen.
ESP32 Test Results:
Pending update...