willemvl

Arlington, Texas Joined January 8th, 2016
3 Instructables 16,020 Views 8 Comments 10 Followers

Electrical/Systems/Test Engineer - Retired

willemvl's Instructables

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

ESP8266 ESP-01 Wireless Switch With Deep Sleep Mode

Sprinkler System Rain Sensor Indicator