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Digital Lab

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

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  • Blog
  • Projects
  • How-To
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  • About
Digital Lab

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

How to make a Tachometer for bicycle

To make a tachometer for bicycle tachometer we will be using Arduino and reed switch as the main component. We will design the tachometer to Display Speed and also temperature.…

  • January 13, 2026
  • Electronics, How-To, Project
Read MoreHow to make a Tachometer for bicycle

Home Automation using Arduino UNO

In this post we will be designing home automation using Arduino UNO and IR remote control device. Components Required Arduino UNO board TSOP 1738 IR Remote Control Receiver 1 KΩ…

  • November 19, 2017
  • Electronics, How-To
Read MoreHome Automation using Arduino UNO

Optimize Azure cost using automation account

Azure VM cost whenever it is up and running. There are times when you are not using the VMs and can be taken down to reduce the cost. This step…

  • May 2, 2018
  • Misc, Software Testing, Tutorials
Read MoreOptimize Azure cost using automation account

How to set-up Wireless on your Raspberry Pi

Step 1: Configuring WLAN Connection Connect you USB Wifi adapter to your Raspberry Pi. Also, ensure that you are already connected to Ethernet cable. Boot your Pi int GUI and…

  • September 16, 2022
  • How-To, Linux, Raspberry Pi
Read MoreHow to set-up Wireless on your Raspberry Pi

Time delay relay circuit

What is a time delay relay circuit? In a time delay relay circuit, relay contacts are closed or open after the preset time interval. Whereas in a normal relay contacts…

  • August 19, 2017
  • Electronics
  • 1 Comment
Read MoreTime delay relay circuit

1 Watt audio amplifier for Mobile device

About LM4890 1 Watt audio amplifier for mobile device has been designed using LM4890 power amplifier. LM4890 is primarily designed for mobile phones and other portable devices. It is capable…

  • August 9, 2017
  • Electronics
  • 1 Comment
Read More1 Watt audio amplifier for Mobile device

Real time clock with DS1302

Real time clock with DS1302 is designed using Arduino Uno. About DS1302 The DS1302 is a trickle-charge timekeeping chip containing a real-time clock/calendar and 31 bytes of static RAM. It…

  • July 23, 2021
  • Electronics
Read MoreReal time clock with DS1302

How to Install Linux Bash shell on Windows 10

Latest windows update allows you to have a full Ubuntu-based Bash shell. This allows you to run the Bash shell and the exact same binaries that you would normally run…

  • April 24, 2021
  • How-To, Linux
Read MoreHow to Install Linux Bash shell on Windows 10

Seven segment display counter

A seven segment display is typically used to display numbers from 0-9. It consists of 7 bar segments and a dot( 8 Segments). They are numbered A to F and DP…

  • June 26, 2017
  • Electronics
Read MoreSeven segment display counter
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Top Posts

  • ESP32 WiFi Scanner EP6: Add Battery Voltage and Percentage Monitoring
  • ESP32 WiFi Scanner EP5: Adding Touchscreen Navigation and Integrating WiFi & BLE
  • ESP32 Wi-Fi Scanner Project EP4 – Add BLE Scanner and Battery Support
  • ESP32 Wi-Fi Scanner Project EP3 – Display Live Wi-Fi Networks on TFT
  • ESP32 Wi-Fi Scanner Project EP2 – Build the TFT Display Framework (ST7789)

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