IoTSimulator
2 Projects

Membrane Keypad Projects

Explore beginner-friendly projects using Membrane Keypad. Run them in the simulator, tweak the code, and learn step by step.
All Categories
Build a Keypad Door Lock with an Arduino Mega
I
IoTSim Editor
Oct 6, 2026

Build a Keypad Door Lock with an Arduino Mega

Construct an electronic PIN security access system using an Arduino Mega. Features a 4x4 matrix keypad, masked PIN entry on an I2C LCD1602 display, dual-color LED status indicators, and buzzer audio feedback.
Arduino MegaMembrane Keypad +3
Digital Keypad Electronic Safe Lock with Servo Deadbolt
I
IoTSimulator Team

Digital Keypad Electronic Safe Lock with Servo Deadbolt

Protect valuables with a secure digital safe featuring a 4x4 matrix keypad, LCD1602 feedback, buzzer alerts, and an SG90 servo deadbolt mechanism.
Arduino UnoMembrane Keypad +5