The HT12A/E series encoder has capable of encoding information which consists of N address bits and 12N data bits. Each address/data input can be set to one of the two logic states.

Features of HT12A/HT12E 212 Series Of Encoders:

• Operating voltage.
• 2.4V~5V for the HT12A.
• 2.4V~12V for the HT12E.
• Low power and high noise immunity CMOS technology.
• Low standby current: 0.1A (typ.) at VDD=5V.
• HT12A with a 38 kHz carrier for infrared transmission medium..
• Minimum transmission word.
• Four words for the HT12E.
• One word for the HT12A.
• Built-in oscillator needs only 5% resistor.
• Data code has positive polarity.
• Minimal external components.
• Pair with Holteks 212 series of decoders.
• 18-pin DIP, 20-pin SOP package.

Applications of HT12A/HT12E 212 Series Of Encoders:

• Burglar alarm system.
• Smoke and fire alarm system.
• Garage door controllers.
• Car door controllers C.
• Car alarm system.
• Security system.
• Cordless telephones.
• Other remote control systems.
• Robotics projects.
• Electronic projects in AVR/Arduino/Raspberry-pi.

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