Introduction In the world of embedded systems and microcontroller prototyping, the 16x2 alphanumeric LCD is a staple. Among the countless variants, the JHD2x16I2C (often referred to as the JHD162A with an I2C backpack) has emerged as a favorite. Why? Because it reduces the pin footprint from 6 or 8 pins down to just 2 (SDA and SCL).
| Simulator | Supports I2C LCD? | Free Tier | Difficulty | | :--- | :--- | :--- | :--- | | | Yes (JHD162A with I2C) | 100% Free (Browser) | Easy | | Tinkercad | No native I2C LCD, but custom | Free | Medium | | SimulIDE | Yes (with PCF8574) | Free (Open Source) | Medium | | Falstad | No | Free | Hard (Need mod) | | Qucs-S | No | Free | Hard | jhd2x16i2c proteus free
#include <Wire.h> #include <LiquidCrystal_I2C.h> // Set the I2C address (usually 0x27 or 0x3F) // For PCF8574 default address in Proteus is often 0x20 or 0x27 LiquidCrystal_I2C lcd(0x27, 16, 2); Introduction In the world of embedded systems and
void setup() lcd.init(); // Initialize LCD (For Proteus, you might need lcd.begin()) lcd.backlight(); lcd.setCursor(0, 0); lcd.print("JHD2x16 I2C FREE"); lcd.setCursor(0, 1); lcd.print("Proteus Success!"); Because it reduces the pin footprint from 6
By using the or open-source simulators like SimulIDE , you can simulate I2C LCD communication without spending a cent.