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Aarav
Govt. Higher Sec.
I rewired the LDR dimmer to control a fan
Replaced the LED with a small DC fan + transistor. Now it auto-runs at noon.
4212
Community Experiments
A young inventor community — messy, curious, alive.
Upload your experiments, share what broke, celebrate what worked. Every post is a lesson for the next student.
Showing 6 recent submissions
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Saanvi
Class 10
Our rain sensor works in monsoon (mostly)
It triggers on heavy drizzle but ignores light mist. Trying a comb-shaped electrode next.
318
I
Ishaan
Class 9
Lie detector readings on my brother — chaos
Turns out his skin response spikes at any question about chocolate. Science!
6721
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Meera
Class 11
Soil moisture monitor for our school garden
Same circuit as the rain sensor but stuck in soil. Logs to a small notebook every morning.
5414
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Kabir
Class 8
Burglar alarm but for the snack jar
Tilt switch + buzzer. My sister is annoyed.
8826
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Anaya
Class 10
Tested 6 ponds for pH — surprising results
Two were way off neutral. Made a small infographic for our class.
3911