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Kerry D. Wong

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Teardown of an MEDA PLM-100 AC Magnetometer

August 11, 2018 kwongLeave a Comment on Teardown of an MEDA PLM-100 AC Magnetometer

I did a teardown a while ago on a cheap eBay electromagnetic radiation detector, and if you recall the performance […]

Electronics, Teardowns AD636, burden voltage, Electromagnetic compatibility, EMC, fluxgate, Macintyre Electronic Design Associates, Magnetometer, Meda, Op Amp, Search Coil, TL032, Transimpedance Amplifier, True RMS

Converting Celsius to Fahrenheit – The Analog Way

August 6, 2017 kwong1 Comment on Converting Celsius to Fahrenheit – The Analog Way

I have an old Keithley 1301 temperature probe. This probe is an accessory to the Keithley 130A/131 multimeter and is […]

Electronics Celsius, Fahrenheit, Keithley 1301, Keithley 130A, Keithley 131, Op Amp, Temperature Sensor, TL431

How does Vacuum Cleaner Clean/Dirty Indicator Work?

October 29, 2016 kwong1 Comment on How does Vacuum Cleaner Clean/Dirty Indicator Work?

I have always wondered how the clean/dirty indicator on my Hoover vacuum cleaner works. So when it was time to […]

Electronics Clean/Dirty Indicator, Comparator, Op Amp, Vacuum Cleaner

Visualizing Comparator and Op Amp Hysteresis

November 25, 2014 kwong1 Comment on Visualizing Comparator and Op Amp Hysteresis

Hysteresis can be added to a comparator circuit to improve its stability, especially when the input signal is noisy. In […]

Electronics Comparator, Hysteresis, LM358, LM393, LMC662, NE5532, Op Amp

Categories

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Tools & Libraries

  • MCP2210 Library
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Most Popular Posts

  • A Sensitive DIY Ultrasonic Range Sensor (286)
  • Building a Constant Current/Constant Power Electronic Load (237)
  • AVR LC Meter With Frequency Measurement (210)
  • A Digitally Controlled Dual Tracking Power Supply -- II (88)
  • AD7705/AD7706 Library Revisited (87)
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  • A Self-Balancing Robot – III (62)
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Archives

My Favorite Sites

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Recent Comments

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  • kwong on Teardown and Testing of a 1500W Pure Sine Inverter
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  • Peter on AVR LC Meter With Frequency Measurement
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