Make your own Li-ion power bank
Introduction There are many ways to make a Li-ion power bank. We will here use 3.7v Li-ion rechargeable battery and few other modules. You can purchase the battery from ebay…
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
Read MoreMake your own Li-ion power bank
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…
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…
How to make battery protection circuit?
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?…
Open Lecture by James Bach on Software Testing
Read MoreOpen Lecture by James Bach on Software TestingHow 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…
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…
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…