Electro Retro

Instructables

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  DIY Air Quality Meter

  7 691
• 

  Credit Card Sized PCB Stylophone

  55 4.8K
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  Instructables Robot Helping Hand for Soldering

  19 1.9K
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  DIY 12V 15Ah LiFePO4 Battery Pack With 32140 Cells

  60 8.6K
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  DIY ESP32 Based Dual Phase Interleaved MPPT

  36 14K
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  DIY Wireless Water Level Controller

  123 18K
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  Google Assistant|Home Automation Iot Using Esp8266

  1 1.0K
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  Diy Short Circuit Protector

  4 1.2K
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  How to Use Pir Sensor Without Arduino

  11 6.1K
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  How to Program and Reset Arduino Using Android Smartphone

  12 3.5K
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  How to Make a Proximity Sensor

  14 24K
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  ZB2L3 BATTERY CAPACITY TESTER

  20 36K
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  How to Convert Old Laptop Batteries Into a Power Bank

  22 8.7K
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  How to Make a Pvc Gimbal

  19 6.2K
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  How to Make a 18650 Lithium-ion Battery Charger

  15 13K
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  How to Make a Rechargeable Led Emergency Light

  6 13K
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  How to Make a Automatic Light

  3 902
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  How to Transfer Data Using Led (li-fi Technology)

  10 3.8K
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  How to Make a Dimmer Switch

  14 13K
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  How to Connect Led Light to Ac Power

  7 15K
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  How to Repair Led Bulb

  9 21K
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  How to Make a Non Contact Tester

  1 215
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  How to Etch Metal

  17 655
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  Diy 11000mah Power Bank

  5 892
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  How to Solder Smd Like a Pro

  9 2.0K
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  Diy Vacuum Cleaner Out of Pvc

  48 7.3K
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  How to Make a Automatic 12v Battery Charger

  49 12K
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  How to Make a 30w Mega Flashlight

  23 3.5K
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  Surge Protector

  23 23K