AllieExpress Relay Board sponsored by Solderstick Wire Connectors

AllieExpress Relay Board sponsored by Solderstick Wire Connectors Get solderstick at 20% OFF with discount code “LE20“ at in this video we look at a really nice 4 unit relay board from AllieExpress. Here is a link for you: I like this board as it has anti-tracking slots, flyback diodes, low active, and it is soldered very well. Here is a link to the code I wrote to test/burn in the board: Arduino Sketch - ************************************************************************* *Please help support this channel at NO COST TO YOU. If you shop on* *Amazon, please use this link: * *I will get a small commission and it costs you nothing. * ************************************************************************* HEY YOU ABOUT TO POST SOMETHING STUPID: Yes, I know my hands are large/fat. It’s because of a heart condition I suffer from called Congestive Heart Failure. Here’s a link to some information about CHF: One of the symptoms is that it causes fluid retention, mostly in the hands, feet/ankles, and face.. ------------------------------------------------------------------------------------------------------------------- Support learnelectronics: Amazon Store: If you are shopping for electronic components, test gear or consumables please consider visiting my Amazon shop @ Patreon: Please check out and pledge a dollar if you can. It will go a long way to keeping the channel alive. It costs a bit of money to buy all the items and produce these videos. Your help is appreciated. Paypal: you’d like to send a one-time donation you can use this link: --------------------------------------------------------------------------------------------------------------------- Gear I use: Multimeter: OWON B33 Oscilloscope: KIPRIM DS1202 Signal generator: Junctek JDS8080 Component Tester: T7 Multifunction Soldering Station: Sealody ???????