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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:
      19,389
      Messages:
      155,464
      Latest: Phase Shift Oscillator Puzzle Apr 6, 2020 at 2:40 PM ShawnS

    2. Electronics Homework Help

      Get assistance with your electronics homework and assignments in this section. No answers will be given, only guidance.
      Discussions:
      1,459
      Messages:
      10,947
      Latest: Understanding signals in PWM Apr 6, 2020 at 8:28 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:
      1,877
      Messages:
      9,700
      Latest: Need help identifying a burned component Apr 6, 2020 at 4:30 AM (*steve*)

  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:
      2,039
      Messages:
      17,684
      Latest: Philips 65 803 or LG 55C9 Apr 4, 2020 at 1:41 AM Frankchie

    2. Microcontrollers, Programming and IoT

      This category is dedicated to programming, microcontrollers (PICs, ATMEL, ARM, Arduino, ESP8266, etc...) and IoT devices.
      Discussions:
      2,356
      Messages:
      15,041
      Latest: Current sensing using Arduino Apr 2, 2020 at 8:48 PM bertus

    3. Sensors and Actuators

      Ask any questions relating to sensors or actuators in this section (motors, solenoids, servos, temp/proximity sensors, accelerometers, etc...).
      Discussions:
      1,367
      Messages:
      10,834
      Latest: Pneumatic solenoid valve help Apr 5, 2020 at 2:31 PM bertus

    4. Power Electronics

      A category for topics relating to power supplies, batteries, solar and other power related questions.
      Discussions:
      2,035
      Messages:
      18,706
      Latest: Ebike battery Apr 6, 2020 at 2:25 PM Hopup

    5. Audio

      Discuss any audio related topics in this category (amplifiers, speakers, etc...)
      Discussions:
      455
      Messages:
      4,018
      Latest: Logarithmic or linear potentiometers for volume and a 3 band EQ Apr 6, 2020 at 2:41 PM bertus

    6. Radio and Wireless

      Chat about radio/wireless projects and technology in here (wifi, bluetooth, RF, etc...).
      Discussions:
      452
      Messages:
      3,027
      Latest: Determining AM transmitter power output Mar 22, 2020 bertus

  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:
      259
      Messages:
      1,937
      Latest: I2C copper trace lost continuity Feb 12, 2020 HellasTechn

    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:
      46
      Messages:
      326
      Latest: Compiler problem: switch statement Feb 6, 2020 Harald Kapp

    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:
      4,926
      Messages:
      39,922
      Latest: Vacuum Cleaner Problem Apr 6, 2020 at 1:28 PM duke37

  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:
      920
      Messages:
      4,034
      Latest: Hello, Welcome! (Introduce yourself) Apr 6, 2020 at 12:48 AM KingWhiskers

    2. Off-Topic Members Lounge

      Take a seat in the members lounge and post any off-topic threads in here.
      Discussions:
      631
      Messages:
      5,755
      Latest: COVID-19 Apr 5, 2020 at 7:30 PM Hopup

    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:
      40
      Messages:
      511
      Latest: DC circuit for electrolysis Feb 21, 2020 davenn

    4. For Sale / Wanted

      A place for non-commercial members to buy, sell or trade electronics related items.
      Discussions:
      396
      Messages:
      1,320
      Latest: Bugtrap Logic Comparator 2000 c and 2074 a Mar 31, 2020 at 12:56 PM (*steve*)

    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:
      507
      Latest: Building little vacuum tube amplifier Oct 11, 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:
      59
      Messages:
      587
      Latest: various resource sites Mar 7, 2020 bertus

    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:
      165
      Messages:
      1,332
      Latest: I will be missing in action Feb 5, 2020 bertus

  5. Archive

    1. Electronics Newsgroups

      Discussions:
      95,178
      Messages:
      830,634
      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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