4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino Induction Board This is a 3-section battery

This is a 3-section battery holder or battery spacer for the 21700 Lithium battery

Ideal for low-power automation and fluid management systems

High-strength aluminum alloy construction for improved torque handling

There is a constant 'quiescent' current draw of 6mA

4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino Induction Board This is a 3-section batteryThe 45 Matrix Array 20 Key Membrane Switch Keypad is a compact and reliable keypad designed for easy integration with microcontrollers such as Arduino, Raspberry Pi, and other development platforms. Featuring a 4 row by 5 column matrix layout, this keypad provides 20 tactile keys labeled with numbers, letters, and functions suitable for menu navigation, PIN entry, or custom input systems. Built with a flexible membrane design, the keypad is