HA17524 IC
Switching Regulator Controller
= TL494CN

HC-SR04 Ultrasonic Sensor Distance Measuring Module

HCF40106BE IC
N. of Inputs:1; Logic IC Case Style:DIP; N. of Pins:14; Operating Temperature Range:Da -55°C a +125°C; SVHC:No SVHC; Tipo corpo:DIP; Numero base:40106; Numero generico IC:40106;

HCF40107 IC
DUAL 2-INPUT NAND BUFFER/DRIVER

HCF4015BE IC
DUAL 4-STAGE STATIC SHIFT REGISTER WITH SERIAL INPUT/PARALLEL OUTPUT