Digitals & Microcontrollers Archives | Page 2 of 7

Universal Digital counter circuit using CD4510 & CD4543

Published on: February 11, 2020 by Apichet Garaipoom

Universal Digital counter circuit with PCB

This is Universal digital counter circuit using CD4510 & CD4543,count up or count down,connect output to a 7 segment LED both a Cathode common or Anode

PIC microcontroller learning for beginner

Last Updated on: August 3, 2020 by Apichet Garaipoom

We will try the PIC microcontroller 2 led flasher circuit using PIC16F627.
Because like this circuit Which we can set ON-OFF of both LEDs for easy, long and accurate.

5 Crystal oscillator Circuits using CMOS

Last Updated on: May 19, 2022 by Apichet Garaipoom

Simple crystal oscillator 1-10MHz using inverter gate

This Simple Crystal oscillator Circuit using 74LS04 that provided square wave of 1MHz to 10MHz, Use inverter gate IC and control frequencies with crystal […]

Transistor Relay driver circuit in digital

Last Updated on: April 16, 2022 by Apichet Garaipoom

increase current gain of transistor relay driver

How to control a load with a digital circuit like Arduino? A transistor relay circuit may be answered for you. The output pulse from the digital circuit to biased the transistor is ON. Then, it drives the relay as a switch ON-OFF. To power to any circuits or external devices. Basic Application Relay The Controlling … Read more

16 keys keyboard encoder circuit using 74C922N

Last Updated on: July 13, 2021 by ElecCircuit.com

It may be difficult. In the design of the BCD signal generator circuit by pressing a key. Here is how you make a keyboard encoder circuit for 16 keypads.