This circuit is an easy, reliable circuit for monitoring the temperature of your engine oil/block, hot water heater, or engine coolant. <br /><br />Schematic: <a href="https://i.postimg.cc/vZR0THxV/temp.jpg" target="_blank" rel="nofollow">https://i.postimg.cc/vZR0THxV/temp.jpg</a><br /><br />Thanks For Watching!<br /><br />***If you enjoy watching my videos, please show your support by SUBSCRIBING, POSTING LINKS to my videos on other websites & blogs, rating a "THUMBS UP", and watching my video playlists. Doing so helps to ensure that many more videos will be released in the future. (Views are essential to ensure this channel remains in an active state)***<br />...<br /><a href="https://www.youtube.com/watch?v=JQzWSN9K3_c" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=JQzWSN9K3_c</a>