voltage regulator pinout lm7805, lm7809, lm7812, lm7815, lm7818, lm7824 all LM78.. pinout are same. [easy creative projects](https://www.easycreativeprojects.com)

in today video we learn How to make 9v power supply without transformer easy step by step with circuit diagram. its very simple and homemade transformer less power supply. in this project i use 7809 voltage regulator its give 9v and 1 amp power. [How to make 9v power supply without transformer ](https://youtu.be/lErCT1WjN6w) [easy creative projects](https://www.easycreativeprojects.com)

in this video we learn how to make petrol gas and fill it in cylinder easy at home. its very easy, useful and money saving project because this time LPG Gas price is 1.2$ /kg and using this method you can fill your cylinder only 0.5$. its very simple way to make homemade petrol gas. watch full video and make same. in this video we use air pump you can make this air pump watching our this video: [How to make air pump](https://youtu.be/3q7V1KDtyCE) More Detail: https://www.easycreativeprojects.com/2020/03/how-to-make-petrol-gas-and-fill-it-in-cylinder.html More related videos [how to fill petrol gas in cylinder](https://lbry.tv/@easycreativeprojects:3/How-to-fill-petrol-gas-in-cylinder:7) [how to make free lpg gas for cooking](https://lbry.tv/@easycreativeprojects:3/How-to-make-free-lpg-gas-for-cooking-easy-at-home:c) #LPG #PetrolGas #FillCylinder

homemade mini wifi signal antenna