Bicycle USB Charger
This circuit has been developed to add a USB charging port to a bicycle for charging a mobile phone. The input supply for the circuit is produced by a dynamo (6V, 3W dynamo) in the bicycle. The circuit is based…
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.
Category Electronics
Light Sensor using Arduino
Introduction In this project, a simple light sensor is designed using LDR. The project is built around Arduino. Components required Arduino UNO Light Dependent Resistor (LDR) 100 KΩ POT Buzzer Circuit Diagram Working A 100 KΩ POT and the LDR…
What is Omega 2 Board?
Omega 2 board is the development boards from Onion. It comes packed with built-in Wi-Fi and on-board flash storage. You do not have to worry about buying Wi-Fi dongles or installing operating system images onto external SD cards. Using the…
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 or Aliexpress or extract from your old laptop battery. This power…
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…
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…
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…
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…
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…
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…