Today we are driving high current high voltage applications using only a microcontroller and relay. To accomplish this, we are going to take a closer look at a few different types of relay modules you might find across the Internet. We will first go over the components and connections available on each module, then we will go over the schematic to get a better understanding of how each module works, and finally we will demonstrate how to connect these modules into our circuits. Throughout this video I will touch on important considerations to mindful of to ensure you don’t damage your microcontroller or worse the item connected to the relay.

00:00 Intro
00:39 Hardware Overview
02:56 Relay One Schematic
06:22 Relay Two Schematic
07:53 Relay Three Schematic
08:20 Demo with External Power Supply
09:52 Demo without External Power Supply
11:19 Recap

Hardware:
SainSmart 2 Channel Relay: [ Ссылка ]
HiLetgo 5V High/Low Relay: [ Ссылка ]
Tolako 5V 1 Channel Relay: [ Ссылка ]
Elegoo Uno Project Kit: [ Ссылка ]
Breadboard: [ Ссылка ]
Elegoo Uno R3 Board Only: [ Ссылка ]

Helpful Links:
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