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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:
      19,234
      Messages:
      153,918
      Latest: Need help resistor values Oct 15, 2019 at 11:24 PM duke37

    2. Electronics Homework Help

      Get assistance with your electronics homework and assignments in this section. No answers will be given, only guidance.
      Discussions:
      1,440
      Messages:
      10,756
      Latest: How to make a Short Circuit Protection using 8 pin Relay Oct 14, 2019 at 2:45 PM Alec_t

    3. Datasheets, Manuals and Component Identification

      Need more info on a component, such as datasheets or part numbers? Ask in here.
      Discussions:
      1,844
      Messages:
      9,454
      Latest: Need help to find an equivalent SMD. Oct 11, 2019 at 9:48 PM davenn

  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:
      2,014
      Messages:
      17,479
      Latest: Confusion about led's forward voltage Oct 14, 2019 at 6:48 PM Audioguru

    2. Microcontrollers, Programming and IoT

      This category is dedicated to programming, microcontrollers (PICs, ATMEL, ARM, Arduino, ESP8266, etc...) and IoT devices.
      Discussions:
      2,319
      Messages:
      14,797
      Latest: I2C Understanding of ACK and NAK? Oct 15, 2019 at 5:34 PM Daljeet12

    3. Sensors and Actuators

      Ask any questions relating to sensors or actuators in this section (motors, solenoids, servos, temp/proximity sensors, accelerometers, etc...).
      Discussions:
      1,340
      Messages:
      10,606
      Latest: 'Human body only" sensor Sep 27, 2019 hevans1944

    4. Power Electronics

      A category for topics relating to power supplies, batteries, solar and other power related questions.
      Discussions:
      1,957
      Messages:
      17,905
      Latest: Voltage converter for Samsung Ru8000 TV Oct 15, 2019 at 7:24 PM Ylli

    5. Audio

      Discuss any audio related topics in this category (amplifiers, speakers, etc...)
      Discussions:
      435
      Messages:
      3,801
      Latest: Video signal amplifier. Oct 15, 2019 at 6:24 PM hevans1944

    6. Radio and Wireless

      Chat about radio/wireless projects and technology in here (wifi, bluetooth, RF, etc...).
      Discussions:
      433
      Messages:
      2,901
      Latest: Radio detector + emitter Oct 16, 2019 at 12:59 AM Hollisatp1

  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:
      256
      Messages:
      1,909
      Latest: Looking help to export Eagle PCB to gerber files Oct 12, 2019 at 3:24 PM BobK

    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:
      45
      Messages:
      324
      Latest: Schematic drawing utilities Sep 22, 2019 Minder

    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:
      4,834
      Messages:
      38,993
      Latest: Repairing a Premier Health Products PHP 2026 / 2027 Massage Chair Oct 16, 2019 at 1:12 AM MGV

  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:
      915
      Messages:
      4,001
      Latest: Hello! Oct 14, 2019 at 8:17 PM davenn

    2. Off-Topic Members Lounge

      Take a seat in the members lounge and post any off-topic threads in here.
      Discussions:
      611
      Messages:
      5,557
      Latest: Tricks with macro photography Oct 12, 2019 at 11:03 PM davenn

    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:
      390
      Messages:
      1,300
      Latest: Buying Tektronix T912 CRT board Oct 11, 2019 at 12:56 AM gkmaia

    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 at 3:51 PM 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 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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