I Turned an ESP8266 Into a Second Sony TV Remote (NEC → Sony IR Translator + Wi-Fi Dashboard)
Lost your TV IR remote (in my case, a Sony remote)? Instead of hunting for a…
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I Killed a GPIO Pin Building This RC Car (And Six Other Ways It Fought Back)
2.02 volts. That’s what my multimeter read on a battery pack that, three minutes earlier, my…
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Arduino Nano ADXL345 Digital Level: A 2-Axis Inclinometer with ZERO Reference and Parallel Surface Check
The Problem This Project Solves Anyone who has mounted a distribution board, aligned a cable tray,…
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Arduino Temperature Sensor: The Complete Guide to Every Sensor, Wiring, and Code (2026)
Why “Which Temperature Sensor Should I Use” Doesn’t Have One Answer Search “arduino temperature sensor” and…
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Just an Arduino Nano, Yet a Fully Smart Kitchen: Liquid, Gas & Timer in One Build
Here’s a slightly contrarian opener: not every “smart” project needs a radio. Scroll through enough Arduino…
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I Turned a $15 Board Into a WiFi Security Camera — Here’s Everything That Went Wrong (And How I Fixed It)
I’ll be honest about how this project started: I bought the XIAO ESP32S3 Sense mostly out…
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10K Thermistor Temperature Sensor Module with Arduino
Introduction There’s a reason the 10K thermistor module is usually the second sensor a beginner buys,…
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I Built a Smart LED Toy for My 3-Year-Old Son Using a $4 Chip — Here’s What Almost Broke Me
The Night I Almost Gave Up It was 11:30 PM. My son Debansh was asleep. I…
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Build a Smart Room with Arduino Nano IR Remote (Fan & Light Control)
It Started with a Simple Problem I didn’t start this project because I wanted a “smart…
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Zero False Positives: Building an Active-Deterrence NodeMCU Door Alarm
I stood in the shadows of a local medical shop at 3 AM, testing my “smart”…
