20 Pin Machined IC Base 2.54mm Pitch Low-Power RS-485 Transceivers This robot chassis allows you

This robot chassis allows you to quickly prepare your mechanical platform

it is also known as a piano switch

This is the PC410 Optocoupler manufactured by Toshiba

In an Arduino Nano

20 Pin Machined IC Base 2.54mm Pitch Low-Power RS-485 Transceivers This robot chassis allows you20 Pin Machine tooled IC Socket, round IC pin sockets generally for preventing damage to IC's from soldering and while testing multiple circuits. IC sockets are used in Applications where integrated circuits (ICs) have short lead pins. They help in providing safe removal and insertion of IC chips. Features Tin Plated Leads High Quality Excellent Insulation Resistance High Precision Type Easy for IC Removal and Insertion Specification Connector Type