puneet1984

Instructables

• 

  DIY Solar Charge Controller (PWM)

  2 6.8K
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  DIY LiPo Battery Capacity Tester

  6 3.4K
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  Charge Pump Circuit

  2 8.4K
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  IoT Home Automation With ESP8266 and NodeRed + MQTT

  97
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  Lithium Ion Polymer Battery AIO Charger-protector-booster

  1.5K
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  DC – DC Voltage Step Down Switch Mode Buck Voltage Converter (LM2576/LM2596)

  7 5.3K
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  Water Level Indicator Using ULN 2003 IC

  5 8.3K