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PCB+SMT assembly, from $2: https://jlcpcb.com/?ref=greatscott Previous video: https://youtu.be/PRL_Wp-FpGQ Previous Walkie-Talkie video: https://youtu.be/SZYwvvh6m-s Andreas Spiess video: https://youtu.be/YJ25eQRbhaQ Class D Audio Amplifier video: https://youtu.be/3dQjIeYoIdM Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Support me for more videos: https://www.patreon.com/GreatScott?ty=h More project information (schematic, pictures, code.....) on instructables: https://www.instructables.com/id/DIY-Walkie-Talkie-With-Generic-433MHz-RF-Modules Parts list (incomplete, see Instructables for more, affiliate links): Aliexpress: 2x 433MHz Transmitter: https://s.click.aliexpress.com/e/_dZWpOdO 2x 433MHz Receiver: https://s.click.aliexpress.com/e/_dYg2WFi 2x TLC555 IC: https://s.click.aliexpress.com/e/_dTrUY9D 2x MCP602 IC: https://s.click.aliexpress.com/e/_dTvJRGw 2x TC4428 IC: https://s.click.aliexpress.com/e/_dUoZWG8 1x Mic: https://s.click.aliexpress.com/e/_dSPsdVK 1x 250k Trimmer: https://s.click.aliexpress.com/e/_dTFyPv5 Resistors: https://s.click.aliexpress.com/e/_dTPpXjt Capacitors: https://s.click.aliexpress.com/e/_dU4FEsB https://s.click.aliexpress.com/e/_d7dOwRz 2x Micro USB Breakout PCB: https://s.click.aliexpress.com/e/_dWadkSj 2x 1500uH Inductor: https://s.click.aliexpress.com/e/_d7357MY 2x Speaker: https://s.click.aliexpress.com/e/_d7xD9DK In this project I will show you how to use generic 433MHz RF modules from Ebay in order to create a functional Walkie-Talkie. That means we will compare different RF Modules, learn a bit about a class d amplifier and finally build the Walkie-Talkie. It can be powered by a normal powerbank for around 130 hours and features a range of around 15m. Let's get started! Thanks to JLCPCB for sponsoring this video Visit https://jlcpcb.com to get professional PCBs for low prices Music: 2011 Lookalike by Bartlebeats