Sothelastvideowehadconnectedupthesetwodifferentcircuits, onethathad a fivevoltssignalthatswitchingonandoffcomingfromsomeothercircuitandtheotherthathadfivevoltscomingfromjust a regularpowersupply.
Andwewere a littlebitpuzzledastowhythatmightbebecausewemeasuredbothoftheseandandwhenwemeasurethevoltagecomingintothistopcircuitwesawwehadfivevoltswhenWhenitwhenitwason, we'd havefivevoltsandthebottomone.
Wehaveplentyofcurrentbecausethisis a powersupply, andpowersuppliesaregenerallydesignedtobeabletodeliver a lotofcurrentandmaintaintheirvoltage.
Whereisthissignal?
Um, isreallyjusttryingtogiveus.
I mean, it's hardtosaywhatwhatthesignalistryingtodo, butinthiscase, oftentimes a signalwillWillwillindicateyouknow, whetherit's offeronwith a voltage.
Butitmayormaynotallowyoutodraw a tonofcurrentfromit.
Sopowersuppliesdesignedtoletyoudraw a tonofcurrentyouknow, a signallikethismightnotnecessarilysoagain, ifwegobackandlookatthevoltageherewhenthisison, we'redefinitelygetting, youknow, overfivevolts.
Sothesignalis, isusingthatfivevoltpotential t indicatewhetherit's onoroff.
Soif I seefivevolts, thenthat's tellingmethissignalissayingonif I seezerovotestosignalsayingoff.
Butwhen I trytoconnect, anykindofloadlikethisledtothesignaltheledtriestodraw, youknowheneedstodrawsomecurrentinordertolightup.
Sothelastvideowehadconnectedupthesetwodifferentcircuits, onethathad a fivevoltssignalthatswitchingonandoffcomingfromsomeothercircuitandtheotherthathadfivevoltscomingfromjust a regularpowersupply.