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4 Band, 5 Band and 6 Band Resistor Calculator Tool
Graphical resistor calculator tool.Quickly understand the resistor color code.
PCB Trace Width Calculator
Internaland External PCB Trace calculator tool.
Wire Self Inductance Calculator
Wire, Parallel Wire, Coax, Wire over Plane, Loop, Rectangle Loop, Coil, Broadside Trace, and Edge Coupled Traces
Battery Circuits

Battery Charger Using Power from Grid

Battery Charger Using Power from Grid

A PIC16F676 microcontroller is being used in this project to control a solid stat relay and to monitor the battery voltage in order to become useful in alternative energy applications by making a battery charger.

Creating Prank Device Using the Haunted USB Cable

Creating Prank Device Using the Haunted USB Cable

The purpose of developing the haunted USB cable is to send random keystrokes from time to time to a user while implementing a keyboard and driving the user mad.

Battery Discharger with Precision

Battery Discharger with Precision

The project uses a cheap and reliable discharger circuit with an easy visual indication of the battery’s state as it creates a precision battery discharger for 8.4V 7-cell NiCad or NiMH batteries.

LiPo Monitor System Known as Simple-Volt

LiPo Monitor System Known as Simple-Volt

The project is built around a PIC microcontroller in order to build the Simple-Volt which is a tiny, lightweight R/C battery voltage monitor/alarm system.

Building A Universal Solar Powered Charger

Building A Universal Solar Powered Charger

With minimal electronic knowledge and even cheaper cost, the project aims to create a universal solar power charger with the option of changing the panel whenever desired.

Smart & Fast Battery Charger for NiCd/NiMH

Smart & Fast Battery Charger for NiCd/NiMH

The project utilizes MAX712/MAX713 fast charge controllers in order to build a smart & fast NiCd/NiMH battery charger.

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