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Raspberry pi course

In STEM land a person from Auroville came to the iSMART class to conduct a course about raspberry pi course. Initially I dont know how to use raspberry pi. I was curious to learn raspberry pi. I also learnt the differences and...

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How to find a value of Capacitor

A capacitor is a two terminal passive element which stores energy. There are two types of capacitor. 1. Ceramic Capacitor: – These are small,non-polarised in yellow or orangish  in color. How to identify these capacitor values: The value is printed in three-digit...

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designing 4-bit microprocessor using magic tool

I started designing 4-bit microprocessor in magic tool, it consists of three block: 4-bit full adder register to store an input data. 4-xor gates and one carrier input is used to 2’s complement for subtraction Inputs which are used in it :...

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First digit on clock

– Logeshwari In electronics, initially I displayed my name using Seven Segment Display(SSD). I had already posted that in My First Blog. After that I wanted to learn more on SSD. So I was asked to make a digital clock. I have...

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Sinthanai Sangamam with around 600 teachers(Azim Premji Foundation)

Saranya Sinthanai Sangamam is happened on 21/02/2018. It is a new kind of experience with around 600 teachers from different places. I have presented a paper about STEM land. The great thing is I got an opportunity to share about, my journey...

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Projects for Raman awards – Isaiambalam

Raman Young Science Innovator Award is a contest for students studying from III to X standards grouped into three. Students from IIIto IV, V to VIII and IX to X. We heard about this contest and started registering for it on 31st...

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Learning Festival at Indiranagar higher secondary school in Pondicherry

Learning festival was a workshop which happened in Indiranagar HSC. The workshop was happening for 4 days and we went for 2 days. We were invited to do some session regarding basic electronics. We decided to light up children’s name using a...

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Inverter with Arduino

Barani from 8th standard wanted to learnt something in electronics. He came and asked that he wanted to build an inverter using a Arduino. It was new for me so I told him lets learn together. Then we took all the components...

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Half wave and Full wave rectifier

I made a model of Half wave and Full wave rectifier using LT spice. Half wave rectifier: A half wave rectifier is a device which makes use of properties of a pn junction diode. A PN junction diode only allows the current...

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Salvaging wires and hacking a 240V to 9V transformer from an adapter

The 7th graders from Udavi School took a project on creating a PA system. To start of we required a lot of wires so the quest for salvaging wires began. The students picked every wire possible in STEMLAND that was not being...

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