DC Current per I/O Pin: 20 mA. DC Current For 3.3V Pin: 50 mA. The item "2020 The Most cost-effective DIY Project Starter Electronic DIY Kit With Tutoria" is in sale since Wednesday, September 23, 2020. This item is in the category "Consumer Electronics\Other Consumer Electronics".The seller is "tkhan1220" and is located in Shenzhen. This item can be shipped worldwide.