What is HT12E?

What is HT12E?

HT12E is an encoder integrated circuit of 212 series of encoders. They are paired with 212 series of decoders for use in remote control system applications. It is mainly used in interfacing RF and infrared circuits. It encodes the 12 bit parallel data into serial for transmission through an RF transmitter.

What is HT12E and HT12D?

HT12E is used to encode the data for RF Transmitter and HT12D is used to decode the data received by RF receiver. They are capable of Encoding 12 bit of information which consists of 8 address bits and 4 data bits.

How does HT12D work?

HT12D simply converts serial data to its input (may be received through RF receiver) to 12 bit parallel data. These 12 bit parallel data is divided in to 8 address bits and 4 data bits.

How do you test HT12E and HT12D?

The testing of IC HT12D will be measured by giving the input data to the pin AD12 and AD13 on the IC HT12E. Then, the addressing bits in the HT12D will be reviewed by using an oscilloscope.

What is encoder circuit?

An Encoder is a combinational circuit that performs the reverse operation of Decoder.It has maximum of 2^n input lines and ‘n’ output lines, hence it encodes the information from 2^n inputs into an n-bit code. It will produce a binary code equivalent to the input, which is active High.

What is the use of priority encoder?

The output of a priority encoder is the binary representation of the original number starting from zero of the most significant input bit. They are often used to control interrupt requests by acting on the highest priority interrupt input.

What is ic74138?

IC 74138 is a Logical Decoder IC. It also has a demultiplexing facility. The IC 74138 is available in the market with the name of 74LS138. It is a 3 to 8 decoder IC. The internal circuit of this IC is made of high-speed Schottky barrier diode.

What is the function of an encoder?

Simply put, an encoder is a sensing device that provides feedback. Encoders convert motion to an electrical signal that can be read by some type of control device in a motion control system, such as a counter or PLC. The encoder sends a feedback signal that can be used to determine position, count, speed, or direction.

What is the use of HT12D?

HT12D is a decoder integrated circuit that belongs to 212 series of decoders. This series of decoders are mainly used for remote control system applications, like burglar alarm, car door controller, security system etc. It is mainly provided to interface RF and infrared circuits.

What is HT12D IC?

HT12D IC is a CMOS series 12-bit RF decoder. Mostly remote control applications have this technology. It gets to interface with the third device and helps it to decode 12-bits data. To receive the data between encoder and decoder address bits should be matched. The encoder can with any CMOS technology.

How can I make a wireless transmitter and receiver at home?

RF Transmitter and Receiver

  1. Step 1: Short RF Lesson. What is RF?
  2. Step 2: Circuit Schemas. In the first circuit is the transmitter second is receiver.
  3. Step 3: Component List. Transmitter Part:
  4. Step 4: Printed Circuit Board.
  5. Step 5: Solder Mask !
  6. Step 6: Soldering.
  7. Step 7: Codding.
  8. Step 8: RUN!

How is ht12e used in remote control systems?

5 Datasheet HT12E is a 2 12 series encoder IC (Integrated Circuit) for remote control applications. It is commonly used for radio frequency (RF) applications. By using the paired HT12E encoder and HT12D decoder we can easily transmit and receive 12 bits of parallel data serially.

What is the standby voltage of ht12e?

HT12E is able to operate in a wide voltage range from 2.4V to 12V and has a built in oscillator which requires only a small external resistor. Its power consumption is very low, standby current is 0.1μA at 5V VDD and has high immunity against noise.

What kind of encoder is the IC ht12e?

The IC HT12E can be used only with its pair HT12D. These two ICs together form an Encoder and Decoder pair. They are 12-bit Encoders/Decoders, meaning they can transmit 12-bit a data among them.

Why is the address limited on the ht12e?

The HT12E uses the address to transmit with the transmitted data. This address can only be from 256 combinations of 8-bits. This makes the device limited. In most of the cases, the generated signal has a theft issue. Because the signal is broadcasted and unable to trace the receive.