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Project Notes

#679 Engineer’s Mini-Notebook: Magnet and Magnet Sensor Projects

Book notes: Engineer’s Mini-Notebook: Magnet and Magnet Sensor Projects, by Forrest M. Mims III. First published January 1, 1998.

Build

Notes

See also:

Contents

  • THE FIRST MAGNETS
  • MAGNETIC FIELDS
    • MAGNETIC POLES
    • MAGNETIC FIELD INTENSITY
  • EARTH’S MAGNETIC FIELD
    • EARTH’S GEOGRAPHIC POLES
    • EARTH’S MAGNETIC POLES
  • LIVING MAGNETS
    • MAGNETIC BACTERIA
  • APPLICATIONS FOR MAGNETS
  • MAGNET CONFIGURATIONS
    • TEMPORARY MAGNETS
    • PERMANENT MAGNETS
    • USING AND CARING FOR MAGNETS
  • THE COMPASS
    • MAPPING A MAGNETIC FIELD
  • ELECTROMAGNET
    • SOLENOID
    • ELECTROMAGNETIC RELAY
    • RELAY DRIVER
  • MAGNET SWITCHES
    • MAGNETIC SWITCH INTERFACE
    • MAGNETIC-ACTUATED TONE
  • THE HALL EFFECT
    • APPLICATIONS FOR HALL SENSORS
    • HALL SENSOR BASICS
    • BASIC HALL SENSOR
    • BASIC HALL SENSOR CIRCUIT
    • HALL SENSOR OUTPUT VOLTAGE
    • HALL SENSOR + LOGIC CIRCUIT
    • INTEGRATED DIGITAL HALL SENSOR
    • HALL SENSOR + AMPLIFIER
    • INTEGRATED LINEAR HALL SENSOR
    • HALL SENSOR SPECIFICATIONS
    • BASIC GAUSS METER
    • POWER HALL SENSOR
    • HALL LAMP DRIVER
  • HALL SENSOR OPERATING TIPS
    • HALL SENSOR MAGNET SEPARATION
    • FLUX CONCENTRATORS
    • BEST MAGNET ARRANGEMENTS
    • HEAD - ON OPERATION
    • SLIDE - BY OPERATION
    • PUSH - PUSH OPERATION
    • PUSH - PULL OPERATION
  • INTERFACING DIGITAL SENSORS
    • LED INTERFACE
    • TRANSISTOR INTERFACE
    • TTL LOGIC INTERFACE
    • CMOS LOGIC INTERFACE
  • APPLICATION CIRCUITS
    • FERROUS METAL INDICATOR
    • HALL SENSOR RELAY
    • LEVEL INDICATOR
    • MAGNET POSITION DETECTOR
    • DUAL-OUTPUT HALL SENSORS
    • FIELD STRENGTH BAR GRAPH
    • HALL SENSOR DIRECTION INDICATOR
    • ULTRA-SENSITIVE MAGNET SWITCH
    • MAGNET MUSIC
    • MUSICAL PENDULUM
    • DAMPED OSCILLATING TONE
    • PRESSURE-SENSITIVE TONE
    • SUPER - SENSITIVE FIELD SENSOR
    • SUPER-SENSITIVE FIELD SWITCH
    • GIANT COMPASS MAGNETOMETER
    • HALL SENSOR NORTH COMPASS
    • SPECIALIZED HALL SENSORS
      • A3421 PIRECTION SENSOR
      • ATS610 GEAR TOOTH SENSOR
About LEAP#679 Books

This page is a web-friendly rendering of my project notes shared in the LEAP GitHub repository.

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About LEAP

LEAP is my personal collection of electronics projects - usually involving an Arduino or other microprocessor in one way or another. Some are full-blown projects, while many are trivial breadboard experiments, intended to learn and explore something interesting.

Projects are often inspired by things found wild on the net, or ideas from the many great electronics podcasts and YouTube channels. Feel free to borrow liberally, and if you spot any issues do let me know or send a pull-request.

NOTE: For a while I included various scale modelling projects here too, but I've now split them off into a new repository: check out LittleModelArt if you are looking for these projects.

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