Infra/radio remote control transmitter/receiver with PIC

This is a general purpose remote control project with using programmable PIC microcontrollers. Schematics are shown for using infrared (RF) or radio (RF) media. If you are not familiar with microcontroller programming, you can use fixed encoder and decoder integrated circuits instead. Well-known such ICs are Holtek HT-12D, HT-12E and Motorola MC145026, MC145027, MC145028.

This project utilizes programmable PIC microcontrollers to create a versatile remote control system capable of operating through either infrared (IR) or radio frequency (RF) communication. The schematic design includes the necessary components for transmitting and receiving signals, ensuring reliable operation across various applications.

The core of the system is the PIC microcontroller, which is programmed to encode and decode signals for different commands. For users who may lack experience in microcontroller programming, alternative solutions are provided through the use of fixed-function encoder and decoder integrated circuits. The Holtek HT-12D and HT-12E are commonly employed for this purpose, as they facilitate easy implementation of remote control functionalities without the need for extensive programming.

The HT-12D serves as a decoder, receiving signals from the transmitter, while the HT-12E acts as the encoder, converting the input signals into a format suitable for transmission. This configuration simplifies the design and reduces development time. Additionally, the Motorola MC145026, MC145027, and MC145028 series of integrated circuits can also be utilized, offering similar functionality for encoding and decoding RF signals.

The schematic includes details such as power supply connections, input/output configurations for buttons or switches, and the layout for the IR or RF transmitter and receiver modules. Proper attention is given to the selection of components to ensure compatibility and optimal performance.

This remote control system can be adapted for various applications, including home automation, toys, or any device requiring wireless control. The flexibility of using either programmable microcontrollers or fixed-function ICs allows for a broad range of implementation scenarios, catering to both novice and experienced users in the field of electronics.This is a general purpose remote control project with using programmable PIC microcontrollers. Schematics are shown for using infrared (RF) or radio (RF) media. If you are not familiar with microcontroller programming, you can use fixed encoder and decoder integrated circuits instead. Well-known such IC-s are Holtek HT-12D, HT-12E and Motorola MC145026, MC145027, MC145028. 🔗 External reference