Description
This 4×4 Matrix Keypad Module features 16 tactile push buttons arranged in a 4-row by 4-column format, making it perfect for any system requiring numeric or character input.
Each keypress sends a unique signal by connecting a specific row and column. It connects to your microcontroller using just 8 GPIO pins and works seamlessly with libraries like Keypad for Arduino.
It’s perfect for building security systems, menu interfaces, password access control, home automation panels, and more. Lightweight and easy to embed in any custom enclosure.
⚙️ Product Features & Specifications
| 🔧 Feature | 📌 Details |
|---|---|
| 🎛️ Key Layout | 4 Rows × 4 Columns (16 keys total) |
| 🔢 Key Labels | 0–9, A–D, *, # |
| ⚙️ Interface | 8-pin parallel (R1–R4, C1–C4) |
| 📐 Dimensions | Approx. 70 mm x 77 mm |
| 🧲 Key Type | Membrane Tactile Switch |
| 🧠 Compatibility | Arduino, ESP32, STM32, Raspberry Pi |
| 💡 Use Case | Password input, control panels, DIY keypads |
| ⚖️ Weight | Approx. 10g |
📦 Package Includes
-
1 x 4×4 Matrix Keypad Module
🚚 Dream RC is giving you the best deal in Bangladesh – high quality at the lowest price!
💬 What is the 4×4 Matrix Keypad Module price in BD (Bangladesh) & why buy from us?
The 4×4 Matrix Keypad Module current price in Bangladesh is 69 BDT.
From us – Dream RC, you can get 4×4 Matrix Keypad Module at the most affordable price with the lowest delivery charges & fast shipment all over Bangladesh.
16x4 LCD Display (Blue Backlit)