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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:
      19,790
      Messages:
      159,951
      Latest: Wire connection point to point? Jan 26, 2021 at 3:37 PM Kabelsalat

    2. Electronics Homework Help

      Get assistance with your electronics homework and assignments in this section. No answers will be given, only guidance.
      Discussions:
      1,493
      Messages:
      11,202
      Latest: How can I simplify it? equivalent resistance Jan 22, 2021 at 11:28 AM Harald Kapp

    3. Datasheets, Manuals and Component Identification

      Need more info on a component, such as datasheets or part numbers? Ask in here.
      Discussions:
      1,939
      Messages:
      10,095
      Latest: What component is this? Jan 26, 2021 at 10:00 AM Bluejets

  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:
      2,067
      Messages:
      17,995
      Latest: CO2 laser tube lifespan - time used vs age of tube? Jan 25, 2021 at 11:03 PM hevans1944

    2. Microcontrollers, Programming and IoT

      This category is dedicated to programming, microcontrollers (PICs, ATMEL, ARM, Arduino, ESP8266, etc...) and IoT devices.
      Discussions:
      2,404
      Messages:
      15,355
      Latest: Circuit does not simulate Jan 24, 2021 at 1:16 AM Practical

    3. Sensors and Actuators

      Ask any questions relating to sensors or actuators in this section (motors, solenoids, servos, temp/proximity sensors, accelerometers, etc...).
      Discussions:
      1,431
      Messages:
      11,306
      Latest: goodtime novelty company air hockey goal sensors Jan 24, 2021 at 9:31 AM Martaine2005

    4. Power Electronics

      A category for topics relating to power supplies, batteries, solar and other power related questions.
      Discussions:
      2,229
      Messages:
      20,317
      Latest: No power, no led light. Rear projection tv Jan 26, 2021 at 4:25 AM Echo26

    5. Audio

      Discuss any audio related topics in this category (amplifiers, speakers, etc...)
      Discussions:
      501
      Messages:
      4,446
      Latest: Onkyo TX SR701 in protection mode Jan 26, 2021 at 12:27 PM shrtrnd

    6. Radio and Wireless

      Chat about radio/wireless projects and technology in here (wifi, bluetooth, RF, etc...).
      Discussions:
      481
      Messages:
      3,288
      Latest: Whistler ws1065 police scanner reception problems Jan 19, 2021 p5200

  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:
      265
      Messages:
      1,952
      Latest: LG LG 50PZ570 MAIN BOARD Jan 8, 2021 kleinton

    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:
      52
      Messages:
      452
      Latest: upgrading 12v peltier refrigerator to freezer Nov 3, 2020 Technomaniac

    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:
      5,141
      Messages:
      42,156
      Latest: Temperature probe - LCD display missing segments Jan 26, 2021 at 6:04 AM 73's de Edd

  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:
      935
      Messages:
      4,107
      Latest: Hello from Oz Jan 21, 2021 at 12:41 PM Harald Kapp

    2. Off-Topic Members Lounge

      Take a seat in the members lounge and post any off-topic threads in here.
      Discussions:
      649
      Messages:
      6,052
      Latest: Anybody else watching the USA election results? Jan 26, 2021 at 10:01 AM TCSC47

    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:
      45
      Messages:
      551
      Latest: Infrasound and leaky feeders Dec 7, 2020 davenn

    4. For Sale / Wanted

      A place for non-commercial members to buy, sell or trade electronics related items.
      Discussions:
      406
      Messages:
      1,349
      Latest: Electronic parts for sale Jan 18, 2021 Harald Kapp

    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:
      509
      Latest: Variable Voltage Lab Power Supply Using PSU Sep 10, 2020 dhe

    6. Resource Discussion

      Discussion area for project logs, articles and circuits. All threads in this area are linked to a resource entry.
      Discussions:
      68
      Messages:
      605
      Latest: (Old) software at the Internet Archive Jan 8, 2021 ramussons

    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:
      171
      Messages:
      1,369
      Latest: Rest in Peace, Kris Jan 15, 2021 shrtrnd

  5. Archive

    1. Electronics Newsgroups

      Discussions:
      95,178
      Messages:
      830,633
      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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