This product is an integrated circuit that contains a shift register that allows you to transform the information transferred through serial interface into information on the parallel interface. For example, you can use it in your projects where you want to control a large number of LEDs, with only a small number of pins on the microcontroller or Arduino.
NCP1002P - PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies
LA3350 - FM Radio Receiver, PLL Multiplex Stereo Demodulator DIP-16
KA7632-FSC - Fixed Multi-Output Regulator 3.3 V, 5.1 V, 8 V