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Digitals & MCU

CD4046 Explained and Example Circuits (Phase-Locked Loop)

Last Updated on: September 29, 2025 by Apichet Garaipoom
CD4046 circuits datasheet (phase-locked loop)

The IC-4046 is Phase-locked loop IC of CMOS digital (combined analog and digital chip).A Phase-locked loop(PLL) has a voltage-controlled oscillator(VCO). Read more

Categories Digitals & MCU 8 Comments

CD4066 / 74HC4066 Quad Analog Switch CMOS circuits

Last Updated on: September 22, 2025 by Apichet Garaipoom
CD4066 / 74HC4066 Quad Analog Switch CMOS circuits

How to use CD4066 or 74HC4066 CMOS ICs Datasheet, pinout, as high-speed quad analog switches are controlled by an external logic signal. Read more

Categories Controls & Timers, Digitals & MCU 4 Comments

Coding a Simple LED Flasher Circuit Using Arduino

Last Updated on: September 14, 2025 by Apichet Garaipoom

Let’s make a simple one-LED flasher circuit using the Arduino board. We will be learning how to use the Arduino IDE and basic coding. Read more

Categories Digitals & MCU Leave a comment

Adjustable LED Flasher Circuit Using Arduino

Last Updated on: September 14, 2025 by Apichet Garaipoom

Learn Arduino analog inputs by building a simple adjustable LED flasher circuit. Try using a potentiometer to adjust the LED blinking speed. Read more

Categories Digitals & MCU Leave a comment

Triangle wave generator circuit using Schmitt-Trigger

Last Updated on: August 15, 2025 by Apichet Garaipoom

This triangle wave generator circuit uses CMOS gates as an astable multivibrator. It can also generate a square as well as a triangle wave. Read more

Categories Digitals & MCU, Oscillator circuits & RF 6 Comments
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