Interfacing 16x2 LCD Display with ATTINY85: Demonstrates how to use an LCD with an ATtiny85. Interfacing Keypad with Arduino: Reads inputs from a matrix keypad and processes button presses.

Connect the Soil Moisture Sensor signal pin to Analog Pin A0 on the Arduino. Connect power (VCC) and ground (GND) pins to the Arduino. LCD Display Setup: Connect the I2C LCD display using the SDA and ...