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  1. General Electronics Questions

    1. General Electronics Discussion

      Talk about any general electronics topics, or subjects that aren't covered by the forum categories below.
      Discussions:
      19,175
      Messages:
      153,495
      Latest: Two power sources... Aug 23, 2019 at 11:07 PM Michael Quiñones

    2. Electronics Homework Help

      Get assistance with your electronics homework and assignments in this section. No answers will be given, only guidance.
      Discussions:
      1,433
      Messages:
      10,701
      Latest: WheatStone bridge Aug 23, 2019 at 8:47 PM Martaine2005

    3. Datasheets, Manuals and Component Identification

      Need more info on a component, such as datasheets or part numbers? Ask in here.
      Discussions:
      1,836
      Messages:
      9,396
      Latest: Help Identify Please Aug 23, 2019 at 4:35 AM kzook

  2. Electronics Forums

    1. LEDs and Optoelectronics

      Please post any questions relating to LEDs, LCDs, IR, Laser, OLED or any other optoelectronics devices in this section.
      Discussions:
      2,003
      Messages:
      17,411
      Latest: Power indicator LED for 50v+ supply Aug 13, 2019 Harald Kapp

    2. Microcontrollers, Programming and IoT

      This category is dedicated to programming, microcontrollers (PICs, ATMEL, ARM, Arduino, ESP8266, etc...) and IoT devices.
      Discussions:
      2,311
      Messages:
      14,759
      Latest: Looking for some help with designing a circuit Aug 16, 2019 Nanren888

    3. Sensors and Actuators

      Ask any questions relating to sensors or actuators in this section (motors, solenoids, servos, temp/proximity sensors, accelerometers, etc...).
      Discussions:
      1,337
      Messages:
      10,583
      Latest: Stator removal help Aug 10, 2019 KellyB

    4. Power Electronics

      A category for topics relating to power supplies, batteries, solar and other power related questions.
      Discussions:
      1,920
      Messages:
      17,557
      Latest: Capacitor Substitution Aug 24, 2019 at 5:03 AM H2814D

    5. Audio

      Discuss any audio related topics in this category (amplifiers, speakers, etc...)
      Discussions:
      428
      Messages:
      3,727
      Latest: 2A3/ VT4-C Amplifier Design help Aug 20, 2019 at 9:26 PM Ylli

    6. Radio and Wireless

      Chat about radio/wireless projects and technology in here (wifi, bluetooth, RF, etc...).
      Discussions:
      423
      Messages:
      2,838
      Latest: Short-haul OTA TV rebroadcast? Aug 23, 2019 at 10:53 PM davenn

  3. Construction & Repair

    1. PCB Layout, Design and Manufacture

      This section is for any discussion relating to PCB design and manufacture (EDA software, PCB prototyping, etc...).
      Discussions:
      253
      Messages:
      1,903
      Latest: Beginner PCB design for LED clock Aug 16, 2019 Harald Kapp

    2. Project Construction Technologies

      This area is to discuss any project construction tools and techniques, such as 3D Printing, CNC routers, laser cutters and general workshop questions.
      Discussions:
      43
      Messages:
      319
      Latest: Laptop as a Playstation (PS1) Jul 30, 2019 Yeah Boi

    3. Troubleshooting and Repair

      Trying to repair an electronics item? Let us know about it in here and we'll do our best to help.
      Discussions:
      4,813
      Messages:
      38,840
      Latest: PCB game board repair - Dark Tower 1981 - Ti TL496CP chip does not have 9v out Aug 24, 2019 at 4:23 AM rwburbage

  4. Members Area

    1. Introductions

      Feel free to introduce yourself to the forum in this area, but please post questions in the other sections.
      Discussions:
      910
      Messages:
      3,987
      Latest: Hello world! Aug 16, 2019 Harald Kapp

    2. Off-Topic Members Lounge

      Take a seat in the members lounge and post any off-topic threads in here.
      Discussions:
      610
      Messages:
      5,537
      Latest: What are you reading? Aug 23, 2019 at 7:41 PM Martaine2005

    3. Twilight Zone

      If a thread breaks the laws of physics (i.e. claims to create free energy), we'll move it in to this section away from the rest of the forum!
      Discussions:
      38
      Messages:
      487
      Latest: What is slowing my generator down? Jul 14, 2019 davenn

    4. For Sale / Wanted

      A place for non-commercial members to buy, sell or trade electronics related items.
      Discussions:
      387
      Messages:
      1,288
      Latest: Wanted: Ramsey AR2 receiver, kit or assembled. Aug 18, 2019 at 9:51 PM Externet

    5. Project Log Discussion

      Discuss project logs in this forum (please use the main "project log" link on the top menu to create your own).
      Discussions:
      88
      Messages:
      513
      Latest: Building little vacuum tube amplifier Mar 8, 2019 Miguel Lopez

    6. Resource Discussion

      Discussion area for project logs, articles and circuits. All threads in this area are linked to a resource entry.
      Discussions:
      50
      Messages:
      566
      Latest: Component Identification May 20, 2019 FuZZ1L0G1C

    7. Announcements, Suggestions & Feedback

      Please use this section for any feedback about ElectronicsPoint.com (but ask technical questions in other sections). Important announcements will also be made here.
      Discussions:
      162
      Messages:
      1,321
      Latest: Where is the catch? Aug 23, 2019 at 10:56 PM davenn

  5. Archive

    1. Electronics Newsgroups

      Discussions:
      95,182
      Messages:
      830,649
      Sub-Forums: 76

      Electronics Newsgroups

      Sub-Forums

      1. General Electronics

      2. Electronic Basics

      3. Electronic Components

      4. Electronic Design

      5. Electronic Equipment

      6. Electronic Repair

      7. Beginner Electronics

      8. 8bit Microcontrollers

      9. Misc Electronics

      10. Hobby Electronics

      11. Electrical Engineering

      12. Boat Electronics

      13. CAD

      14. Security Alarms

      15. Lighting

      16. Home Power and Microgeneration

      17. Photovoltaics

      18. Lessons In Electronic Circuits

        1. DC Electronics

          1. Basic Concepts of Electricity

          2. Ohm's Law

          3. Electrical Safety

          4. Scientific Notation and Metric Prefixes

          5. Series and Parallel Circuits

          6. Divider Circuits and Kirchhoff's Laws

          7. Series-Parallel Combination Circuits

          8. DC Metering Circuits

          9. Electrical Instrumentation Signals

          10. DC Network Ananlysis

          11. Batteries and Power Systems

          12. The Physics of Conductors and Insulators

          13. Capacitors

          14. Magnetism and Electromagnetism

          15. Inductors

          16. RC and L/R Time Constants

        2. AC Electronics

          1. Basic AC Theory

          2. Complex Numbers

          3. Reactance and Impedance - Inductive

          4. Reactance and Impedance - Capacative

          5. Reactance and Impedance - R, L and C

          6. Resonance

          7. Mixed Frequency AC Signals

          8. Filters

          9. Transformers

          10. Polyphase AC Circuits

          11. Power Factor

          12. AC Metering Circuits

          13. AC Motors

          14. Transmission Lines

        3. Semiconductors

          1. Amplifiers and Active Devices

          2. Solid State Device Theory

          3. Diodes and Rectifiers

          4. Bipolar Junction Transistors

          5. Junction Field Effect Transistors

          6. Insulated Gate Field Effect Transistors

          7. Thyristors

          8. Operational Amplifiers

          9. Practical Analog Semiconductor Circuits

          10. DC Motor Drives

          11. Electron Tubes

        4. Digital Electronics

          1. Numeration Systems

          2. Binary Arithmatic

          3. Logic Gates

          4. Switches

          5. Electromechanical Relays

          6. Ladder Logic

          7. Boolean Algebra

          8. Multivibrators

          9. Counters

          10. Digital - Analog Conversion

          11. Digital Communication

          12. Digital Storage Memory

          13. Principles of Digital Computing

      Latest: Denon UD_M30 Dec 6, 2018 Zeppo

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