Ktronic

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03/05/2026

Access Granted ✅ or denied? 🛑

I built an RFID lock with wavesha Esp32 S3 zero

30/04/2026

So I built an air mouse using an ESP32-S3 Zero… and it actually works! 🖱️

The best part?
✅ No Bluetooth pairing
✅ No USB dongle
✅ Just plug it in and it works instantly

Save this post for later 📌

iot electronics techdiy codinglife

26/04/2026

🔐 Building my own RFID access control system!

⚙️ Hardware used:
• Waveshare ESP32-S3 Zero
• RC522 RFID reader
• MG90 servo motor
• Red + Green LEDs

How it works:
🟢 Correct card → Servo turns (unlocks) + Green LED
🔴 Wrong card → Red LED only (access denied)

💡 Full code & wiring in bio 👇

smartlock makereducation electronics

22/04/2026

Check out the full process and see it in action. YouTube channel Name / 🔍👨‍💻


17/04/2026

Laser light securiy alert 🚨 using Arduino Nano, laser Diode, ldr Module and 3.7v Battery 🔋

16/04/2026

Wrong card Call alert 🚨 | using RFID and SIM800L GSM Module

11/04/2026

7-Segment Display using Arduino Nano & servo Motor

Check out the full process and see it in action. YouTube channel Name / 🔍👨‍💻


10/04/2026

Building a Mechanical 7-segment from Scratch

31/03/2026

Control servo Motor wirelessly using with Esp32 & MPU9250

29/03/2026

Esp32 Bluetooth control 💡

21/03/2026

Gesture control 🔥

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