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…
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
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…
Lighting LED Using Raspberry Pi and Python
Lighting LED using Raspberry Pi To lighting LED using Raspberry Pi we first need Python GPIO. In my previous post on Raspberry pi we have installed raspbian. Next thing is to start experimenting on it. In this post we will see how you can setup…
Arduino Uno
What is Arduino UNO? Arduino is an open source electronics prototyping platform based on flexible, easy-to-use hardware and software. It is intended for artists, designers, hobbyists and anyone interested in creating interactive objects or environments. Arduino Uno is a board based…
Raspberry Pi 2 Pinouts
In my earlier blogs I have shown you how to install the OS and use it. Now we are ready to start building the projects. To do so we first need to understand what each pin does. The diagram below…
AC LED Light
Circuit Diagram for AC LED Light Resistor=240v -( Number of LEDs *3.3) A =240 – (41*3.3) A =7000 Ohms Either use 6.8k or 7.1 K with power rating of 7-10 watt or 4*2.1 k 2watt Suggested Layout for AC LED…
Solar mobile charger circuit
Solar mobile charger circuit using LM7805 fig1 C1 and C2 – 4700 µf This circuit is self explanatory. It uses solar panel to convert light energy to electrical energy to charge your mobile. It uses 5v regulator IC 7805 to…
Buy electronic components online in India
There are many online sites from where to buy electronic components online in India. Some of the most popular ones are listed below. My favourite is OnlineTPS.com, in.rsdelivers.com and Aliexpress.com Below are sites which I have tested and are good. …
Remote controlling Raspberry Pi
Remote controlling Raspberry Pi using SSH Enable SSH in raspberry pi using the command raspi-config From window machine use putty to connect to Raspberry Pi From Linux Machine or Mac use terminal to connect eg: ssh pi@xxx.xxx.xxx.xxx Remote controlling Raspberry…
7 Segment Display
A 7 segment display is typically used to display numbers from 0-9. It consists of 7 bar segments and a dot( 8 Segments). Segments are numbered A to F and DP for the dot or decimal place. There are 2 types…