EXASUB

Month: April 2022

  • How to generate custom fonts for LCD display

    There are various tools to generate font style for LCD display. Write your own fonts style. But this is will become hectic if you have a larger font size. Software tool The Dot Factory by Eran Duchan GLCD Font Creator I like “The Dot Factory” font creation tool. It is minimalistic and gets the job…

  • 15V Unregulated DC Power Supply using 12Vrms step-down transformer

    There are two ways to make DC power supply Linear Switching Linear Power SupplyContinous control of voltage is done at any instance of time. It uses a pass transistor with an error amplifier to regulate the voltage supply.example: 7805, 7905, LM317 etc Switching Power SupplyIt also uses the pass transistor along with an inductor and…