Industrial Keypad 4×4 -16 Switch Keyboard
Features:
- Easy communication with any microcontroller.
- 4×4 key is a 4×4 matrix keyboard module. It has 8 pins and 10 number 4 Letters on the interface.
- Small and compact in size, easy and convenient to carry.
- The sensitive of touch is high, fit for Arduino, AVR, and PIC.
- Comfortable and soft to touch, the feeling is good.
- Four mounting holes on each corner, easy and convenient to install.
Specifications:
- Size: 6.5×6.4cm.
- Key number: 16 keys.
- Color: black.
LM393 Speed Sensor Module For Arduino U shape
split core current sensor - current transformer AC current sensor
Air quality sensor gas sensor MQ-135
Battery 12v 1.2Ah Lead-Acid Rechargeable Battery
Potentiometer POT 250K Variable Resistor
Small ON-OFF Switch 3pin PCB 2.54mm Pitch
Resistor Network 10k 9p
Dip Switch 2P 











