small circuits Archives

Stomper

May 6, 2018 Raunak robot

First off, let’s get a few facts straight: It walks albeit with heavy steps, which is quite obvious, considering the fact that it has ankles of metal and feet of acrylic and rubber. It needs an external power bank to power the Arduino Nano R3 due to power supply fluctuations.

Quark 2016 – BITS Pilani, K.K. Birla Goa Campus

February 10, 2016 Raunak Competitions, featured, Remote Controlled, robot

Quark 2016 – A Cosmic Odyssey Days of festival: 5th, 6th & 7th February 2016 I participated in Line Following, Roborace and, for the first time, Open Showcase! RoboRace Objective: Design & build a remote controlled all-terrain racer that can traverse any given path with obstacles like rocks, sand, slopes, uneven

ATV Bot

October 30, 2014 Raunak featured, Remote Controlled, robot

ATV Bot is exactly what it’s name says: an All Terrain Vehicle. Equipped with 4 powerful 500 rpm DC geared motors and a strong powder coated metallic chassis, this bot can even race across gravel! One of it’s best features is that it uses an RF (radio frequency) module and hence

Herald Cafe – 30.6.2014

September 7, 2014 Raunak featured, Newspaper articles & Media, robot

View or Download the full article as a pdf here.

Portable Smartphone Charger

June 15, 2014 Raunak Circuits, featured, Smartphone Accessories

Here’s a simple circuit which you can use to charge any device that uses a USB charger. (Smartphones, Tablets, Portable music players, etc.) Components used: Soldering board (1) Voltage regulator 7805A (1) 9 volt battery (1) Battery snap (1) Solid wire- White/Black color (2 cm) Solid wire- Red color (2 cm) Female USB connector – Type

Full tank Alarm

May 28, 2014 Raunak Circuits

This is one of my latest projects using Snap Circuits Pro. This is a simple circuit which sets off an alarm when it detects a full tank. (In this case, a basin full of water.) Components used: AA Ni-Cd batteries, 1.2 volts, 1000 mA rechargeable. (4) Speaker Alarm IC NPN transistor 100Ω