Blog

DIY OHM-METER & VERIFYING WHEATSTONE BRIDGE CONDITION

aabhas

IntroductionIn Engineering resistors one of the very common and one of the most essential components which are very widely used. The resistances of through-hole resistors can be calculated using colour code, while for other components and SMT compone...
- 15 Sep 2020
Radioactivity fun!

neuromodulator

Introduction The Geiger counter setup Background radiation Radiation distance Radiation blocking Final words Introduction Radioactive decay is the process where unstable atoms lose energy through emission of ionizing radiation in the...
- 15 Sep 2020
Voltage Drop Bonus Content

kmikemoo

This blog is not an entry for the Proving Science challenge - but it does demonstrate Ohm's Law in action. Proving Science seems like the best place to put it. E=IR In a different blog, I added extension cords t...
- 14 Sep 2020
Laser Microscope Experiment

vishwasn

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll LASER stands for Light Amplification by Stim...
- 14 Sep 2020
Where Did My Volts Go?

kmikemoo

What's not to love about seeing science in action? We can't always see the actual event but we can see the results. In troubleshooting, I call them symptoms, because the event we can measure or observe isn't the root cause. I also...
- 14 Sep 2020
Fire Extinguisher Car

harjinagi

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll Hello Everyone,My name is Harji Nagi.I am cu...
- 11 Sep 2020
The Planck Constant and the Relationship of Frequency to Photon Energy

fmilburn

The Planck Constant and the Relationship of Frequency to Photon Energy by Frank Milburn I have revisited a subject I first explored in 2017 using LEDs to determine the value of the Planck constant. The method used is one that seems to b...
- 5 Sep 2020
TempMeter#2 : Improved Accuracy by Using a Laser Poiter

dubbie

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll Although my original Tempmeter (TempMeter : ...
- 19 Aug 2020
Calorie Meter and Activity Tracker

harjinagi

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll Hello Everyone,My name is Harji Nagi.I...
- 10 Aug 2020
TempMeter : Measuring Temperature with a Brass Rod

dubbie

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll For the Proving Science Project14 activity I...
- 7 Aug 2020
The Fast Chain Problem - Arduino Laser Gates

milosrasic98

THE FAST CHAIN PROBLEM - ARDUINO LASER GATES 1. Introduction Story What is IYPT? 2. Problem 3. Theory 4. Experiment Idea Build Software 5. Tests 6. Results & Analysis 7. Upgrade Ideas 8. Summary 1. Introduction &nb...
- 2 Aug 2020
Measuring the speed of sound

kk99

Basic concept is to measure the speed of the sound using echoes and with the microphone build in notebook. Apparatus and materials: 1. Notebook or device with microphone, 2. Sound editor e.g. Audacity 3. Paper or other material tube with kno...
- 2 Aug 2020
Voltmeter 4*Reading

harjinagi

Proving ScienceEnter Your Electronics & Design Project for a chance to win a $200 shopping cart!Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll I made a dc voltmeter which displays four di...
- 31 Jul 2020
Electric Hula Hoop

dougw

The Problem How can we make a hula hoop automatically go up a straight vertical pole? The problem sounds simple, people have been playing with hula hoops for many decades making them go up and down their bodies. However, when it is a straight vertic...
- 30 Jul 2020
Experimenting with AC Current Sensing

jw0752

After watching James Lewis' Work Bench Wednesday presentation a couple weeks ago on Clamp Meters and sensing current Workbench Wednesday 24: No-Contact Current Measurements and reading some of the comments I decided that it would be f...
- 18 Jul 2020