Monitoring Voltage with ESPHome, D1 Mini ADC, and Home Assistant

Monitor power supplies or other low voltage DC supplies with Home Assistant and an ESP8266 D1 Mini ADC circuit. Use an external voltage sensor module voltage divider. Use Grafana to watch values over time. ADC Config: https://esphome.io/components/sensor/adc.html ESP8266: https://amzn.to/3D7kQFa Voltage Divider: https://amzn.to/30dhUZ4 Join this channel to get access to perks: https://www.youtube.com/channel/UCXEa_Gzl2zjhb7K6xflyrWQ/join Discord: https://discord.gg/XmFqucu If you would like to support me: Buy me a beverage: https://ko-fi.com/mostlychris Become a patron: https://www.patreon.com/mostlychris Products I reference in my videos (Contains affiliate links) https://www.mostlychris.com/my-smart-home-gear/ https://www.xsplit.com?ref=chriswest&discount=mostlychri&pp=stripe_affiliate DISCLAIMERS: Some of the links above take you to affiliate sites that may or may not pay a small commission to me. As an Amazon Associate I earn from qualifying purchases. It doesn't increase the cost to you, but it does help support me in making these videos. 00:00 Intro 00:42 Program ESP8266 06:03 Volt Divider/ESP8266 Overview 08:35 Completed Wiring 10:20 Voltage Output and Multiplier 12:11 Add Sensor Integration to HA 13:00 Determine Multiplier Offset 16:24 Build Sensor Template 18:28 Display Sensor in Grafana 20:45 Overvolt Alert Automation 22:09 Final Thoughts and Wrap Want to send me something? Send it here! Mostlychris 24165 IH-10 West STE 217 #164 San Antonio, TX 78257