Troubleshooting
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How to Find the Value of Burnt Resistor using 4 Handy Methods
How to Determine the Value of a Burnt Resistor Using Four Simple Methods When troubleshooting, repairing, or designing electrical and electronic circuits, or working with damaged circuit boards, you may…
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General Capacitor Nameplate Rating (Electrolytic Capacitor)
General Capacitor Nameplate Rating (Electrolytic Capacitor) Following are the General requirements for an Electrolytic Capacitor Nameplates. Manufacture’s Name Capacitor Series Maximum temperature Maximum Voltage Polarity Capacitor’s Value (Capacitance in Farads, …
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How to Test a Capacitor using Digital and Analog Multimeter – 8 Methods
8 Methods to Check and Test a Capacitor using a Digital Multimeter (DMM) or an Analog Multimeter (AVO). In most electrical and electronics troubleshooting and repair tasks, a common challenge…
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How to Calculate Battery Charging Time and Charging Current? – Example
Simple Battery Charging Time and Current Formula for Batteries (with 120Ah Battery Example) In this simple tutorial, we will explain how to determine the appropriate battery charging current and how…
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How to Test a Transistor using Multimeter (DMM+AVO) – NPN & PNP – 4 Ways
How to Find the Base, Collector, Emitter, Direction & Condition of Transistor by Multimeter How to remember the direction of PNP and NPN Transistor & Pin Identification, Check if it…
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Emergency LED Light Circuit – DP-716 Rechargeable 30 LED’s Lights Schematic
Emergency LED Lights. Powerful & Cheep Circuit LED-716 Emergency Light Schematic Diagram LED-716 is one of the most powerful and very cheep circuit. You can try to make one at…
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