Enter your email Address

Skip to content Skip to content
  • Photo
  • Privacy Policy
  • Top Projects
  • How-to
  • Theory
  • Circuit Idea
  • Software Testing
  • Linux
  • Projects
  • Contact Us
  • Archives
  • About
Digital Lab

A home to software testing, electronics circuits & projects, tips and tricks and digital diary.

  • Blog
  • Electronics
  • Privacy Policy
  • About
Digital Lab

A home to software testing, electronics circuits & projects, tips and tricks and digital diary.

Microphone pre amplifier using LM358

Pre amplifier using LM358 Components LM358 R1 – 10k R2 – 47k R3 – 10k R4 – 10k 1M POT C1 -4.7 μf C2 – 10 μf This is a simple mic pre amplifier using LM358. The circuit is self explanatory and…

  • April 4, 2017
  • Electronics
  • 3 Comments
Read MoreMicrophone pre amplifier using LM358

Simple 2 minute Timer Circuit for your DIY

In this post, a simple timer circuit switch for light is designed that will turn on a high power LED for a particular duration. Timer is a switch that is operated by a timer system. The switch is turned on…

  • August 24, 2016
  • Electronics
  • 2 Comments
Read MoreSimple 2 minute Timer Circuit for your DIY

How to make battery protection circuit?

  • August 14, 2016
  • Youtube Video
Read MoreHow to make battery protection circuit?

Testers – what value add we provide?

As a tester what value add we provide? To answer this we need to answer few questions like What is a business value of testing? What is cost of quality? Running tests by itself has no value add. Testing has…

  • July 5, 2016
  • Software Testing
Read MoreTesters – what value add we provide?

Open Lecture by James Bach on Software Testing

  • June 26, 2016
  • Youtube Video
Read MoreOpen Lecture by James Bach on Software Testing

How to connect 16*2 LCD display Arduino UNO

To Connect 16*2 LCD Display Arduino Uno we will use the previous project to capture temperature and display on console. Parts required for the project: Arduino IDE to program the code and upload OneWire and DallasTemperatre library for the Arduino…

  • June 14, 2017
  • Electronics, How-To
Read MoreHow to connect 16*2 LCD display Arduino UNO

How to Measure temperature with Arduino and DS18B20 sensor?

In this example project we will be combining an Arduino and DS18B20 sensor. The DS18B20 is also called 1-wire digital temperature sensor Arduino and DS18B20 Temperature Sensor The DS18B20 comes in different forms and shapes, so you have plenty of…

  • June 14, 2017
  • Electronics, How-To
Read MoreHow to Measure temperature with Arduino and DS18B20 sensor?

Servo Motor Control using Arduino

Following post will explain Servo motor control using Arduino UNO 3. Servo motors have three wires: power, ground, and signal. The power wire is typically red, and should be connected to the 5V pin on the Arduino board. The ground…

  • June 14, 2017
  • Electronics
Read MoreServo Motor Control using Arduino
C:\Users\Pintu\OneDrive\Blogs\Electronics\Adrino_UNO_image.png

How to test Arduino UNO

You have received your Arduino UNO and want to quickly verify and test arduino uno that it is in good condition or you want to write your first Arduino UNO program. To do so you need to follow the following…

  • April 4, 2017
  • Electronics, How-To
Read MoreHow to test Arduino UNO

Adjustable Buck regulator with Low Ripple voltage

The LM2576-Adjustable Buck regulator using LM2576- Adj series are monolithic IC that provides all active functions for a step-down(buck) switching regulator. The output voltage is adjustable from 1.23 v to 37 v and are capable of driving 3 am. Load…

  • June 13, 2017
  • Electronics
Read MoreAdjustable Buck regulator with Low Ripple voltage
Prev
1 … 9 10 11 12 13 14 15 … 28
Next

Search topics/keywords

No results
  • Electronics
  • How-To
  • IOT
  • Linux
  • Misc
  • Photography
  • Raspberry Pi
  • Software Testing
  • Tutorials
  • Youtube Video

Subscribe

Tags

Arduino Arduino Uno audio amplifier automated testing Azure Basic Electronic Theory Circuit Idea Circuit Ideas diodes docker docker container ESP8266 ethical hacking featured How to IOT JMeter lamp LED Led driver LED Lamp Linux load testing NE555 performance testing Performance testing tool Power Supply python Raspberry pi raspberry pi. Raspberry pi PICO raspberry pi tips Relay Ruby Security Testing selenium selenium automation selenium grid test automation testing testing basics tips UI Automation Weekend project Windows 10

Ad




About me

Default image
Pintu Shaw View Profile

  • Electronics
  • How-To
  • IOT
  • Linux
  • Misc
  • Photography
  • Raspberry Pi
  • Software Testing
  • Tutorials
  • Youtube Video

  • Electronics
  • How-To
  • IOT
  • Linux
  • Misc
  • Photography
  • Raspberry Pi
  • Software Testing
  • Tutorials
  • Youtube Video

Top Posts

  • How to Install and configure Homepage Dashboard on Raspberry Pi
  • Programming Raspberry Pi PICO using Arduino IDE
  • How to install Docker to Raspberry Pi?
  • How to monitor your Raspberry Pi’s Temperature
  • How to repair Aquaguard UV+UF water filter PCB

Share this

Copyright © 2025 - WordPress Theme by Pintu Shaw