Emergency Stepper Motor Cell Phone Charger
Emergency Cell Phone Charger Using Stepper Motor A stepper motor may be used to recharge batteries in your cell phone
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Author: George
Multi-Chemistry Battery Charging
Multi-Chemistry Battery Charging Using the Array 366X series Programmable Power Supplies The increasing demand for portable electronic devices has resulted in
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Troubleshooting a Push-Pull Amplifier Using the Hantek DSO5202P Digital Oscilloscope
A push-pull power amplifier that was exhibiting higher than normal levels of distortion was used to demonstrate some of the
Read moreMeasure AC Current with a Digital Panel Meter (DPM)
Digital Panel Meters (DPMs) are strictly DC meters due to the digital circuitry used. Oftentimes it is desired to utilize
Read moreTech Tip: Using a Servo Motor to Operate a Door Lock
In today’s technologically advanced society, the desire to remotely operate doors is becoming increasingly widespread. The good news is that
Read morePower Supply Design: Switch-Mode vs. Linear
DC power supplies are available in either switch-mode (also called switching) or linear designs. While both types supply DC power,
Read moreUsing an Arbitrary Waveform Generator & Digital Storage Oscilloscope to Create a Transistor Curve Tracer
You can use an arbitrary waveform generator and a digital storage oscilloscope (DSO) to create a transistor curve tracer that
Read moreTen Measurements Using an Oscilloscope
1) Measuring and Viewing Voltage Waveforms You can measure and view either DC or AC signals up to the oscilloscope’s BW
Read moreTen Uses for an Autotransformer, or Variac
1) Testing a repaired electronic device. After performing a repair on a piece of electronic equipment, it is best to
Read moreUsing a Variac to Power Up an Old Radio or Amplifier
It is best to monitor the AC current drawn by the unit as it is powered up, which indicates the
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