willemvl

Arlington, Texas Joined January 8th, 2016
3 Instructables 17,899 Views 8 Comments 10 Followers

Electrical/Systems/Test Engineer - Retired

Instructables

Pinewood Derby Car Scale With Center-of-Gravity (CG) Calculation

9.2K Views, 50 Favorites

ESP8266 ESP-01 Wireless Switch With Deep Sleep Mode

6.3K Views, 18 Favorites

Sprinkler System Rain Sensor Indicator

2.4K Views, 8 Favorites