The project utilizes Motorola MC68HC908 MCU to create the USB-IR-BOY which is an LIRC compatible USB bus receiver hardware. Since most new computers are no longer including RS232 port, the use of ...

As you might have noticed, the 38-KHz pulse generator is built around the evergreen timer chip NE555P (IC1). Here, the RC components (R5-C3-P1) set the astable frequency to drive the infrared light ...