Strav's blog

Wemos D1 mini and power clamp sensor
How to Build a DIY Household Energy Monitor Using ESP8266
sct013 wemos
ESP8266 Mains Current Sensor - Wemos - Current transformer - SCT013 - 100A/50mA

Receive notifications for laundry.

ESPHome Smart Laundry Notifications on an Electric Dryer
digiDryerMon
DIY Smart Laundry - Electric Dryer Voice Notifications

Chamberlain/Liftmaster locked down their unofficial API so the integration to Home Assistant broke.  ratgdo offers an Arduino based solution that offers local control and will work regardless of what Chamberlain does with their API's.

Github
FAQ & Troubleshooting
ratgdo Firmware
Releases (for my hardware version)

Info about the Reolink Video Doorbell
New Reolink Wired POE Doorbell Cam

Linking to mechanical chime
Reolink Video Doorbell with Standard Electro/Mechanical Chime Guide
Modify Reolink Doorbell to keep original chime box
ReoLink Doorbell; Original House Chimebox RESTORED! [pics, vid, code]
Example Picture
Interface Two Channel Relay Module with Arduino

433 MHz Info
Complete Guide for RF 433MHz Transmitter/Receiver Module With Arduino

Humble Foldable Tesla Card