LED Complete Basics for Beginners Get 5 PCB's for $5 (plus shipping) - https://www.pcbway.com/ In this video we cover the basic principles of LEDs work and how to use them. We look at the 3 key things you MUST know to work with LED's: Polarity, Forward Voltage, and Current. Knowing the forward voltage and current will allow you to choose the right resistor to keep your LED from blowing up. All of my PCB designs are available from PCBWAY: https://www.pcbway.com/project/member/?bmbno=8F7F0A32-4F5F-4C My Amazon link: Anything you buy through this link helps support the channel, it doesn't cost you extra, and I make a few%. https://amzn.to/3706t6c Yes!! I now have merch: https://teespring.com/stores/learnelectronics-store?page=1 Electronics themed T-ShirtsIf you are shopping for electronic components, test gear or consumables please consider visiting my Amazon shop @ https://www.amazon.com/shop/learnelectronics Please check out https://www.patreon.com/learnelectronics 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. You help is appreciated. --------------------------------------------------------------------------------------------------------------------- Or....if you'd like to send a one-time donation you can use this link: paypal.me/learnelectronics ---------------------------------------------------------------------------------------------------------------------- Here is all the gear I currently use: Oscilloscope 1: Rigol 1054Z https://amzn.to/2PRybtN Oscilloscope 2: Siglent SDS1202X-E https://amzn.to/31Kk1yH Power Supply 1: TekPower TP3005N https://amzn.to/2TeQnxI Power Supply 2: RUIDENG DP50V5A https://amzn.to/2sNicSe Signal Generator: JS2800 https://ban.ggood.vip/d9vk DMM1: Owon18B https://amzn.to/2SbIGLs DMM2: Aneng 8008 https://amzn.to/2sNQncI DMM3: Aneng 8009 https://amzn.to/2S5qeEp DMM4: Uni-T UT801 https://amzn.to/2S89SuL Soldering Station1: Zeny (Yihua)862D+ https://amzn.to/2S49z4e Soldering Station2: KSGR T12 https://amzn.to/2Wk7Dn9 Light Meter Smart Sensor AS803 https://amzn.to/2B2gyRg