The 3x4 matrix keypad usually is used as input in a project. It has 12 keys totally, which means the same input values. It's ultra-thin, easy to interface with any microcontroller and has an adhesive backing for easy mounting.
3x4 keypad is a great way to let users interact with your project. You can use them to navigate menus, enter passwords, and control games and robots.
This keypad work compatible with Arduino, ESP32, ESP8266, Raspberry Pi, or any 5V or 3.3V microcontroller. Application: Password security system,Wired remote controlled robot, Electronic voting machine, Generating external interrupt,Musical keypad and many more.
وصف
Product Description:
Circuit Rating: 35V (DC), 100mA, 1W
Contact resistance: 10 ~ 500Q
(Varies according to the lead lengths and different from those of the material used)
Insulation resistance: 100MΩ 100V
Dielectric Strength: 250VRms (50 ~ 60Hz 1min)
Electric shock jitter: Life span: tactile type: one million times.
The environment parameters:
Storage temperature: -20 to +50°C
Storage Humidity: 70% to 90%
Vibration: 20G, smsx. (10 ~ 200Hz, the Mil-SLD-202, M204 Condition B)