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  1. J

    I can't install a wireless door bell...

    A practical solution here would be powerline signaling (simple PLC modules) or a low-frequency signal injector that sends a trigger over the existing mains wiring much simpler than full internet-grade PLC. DIY options using DIN-rail PLC relays or X10-style signaling still work well for this use...
  2. J

    Pinout help needed: Repurposing HP P411 Cache Module / Supercap logic?

    You’re on the right track on the P411, the FBWC isn’t just a power source; it also performs a health/ID handshake with the controller. Simply supplying 5.4 V usually isn’t enough, as the card expects a valid sense/ID signal (often via an SMBus/I²C-style line or resistor ID) to enable write...
  3. J

    Looking for a remote job opportunity at Electronics Lab

    With your background in embedded systems, tutorials, and community engagement, you’re well aligned with roles focused on technical content, R&D support, or community engineering. Electronics Labs typically posts openings on their website or social channels, so reaching out directly via their...
  4. J

    Is AI making any impact on embedded software development?

    AI is beginning to help in embedded development, mainly by reducing repetitive work rather than replacing low-level engineering. Tools like GitHub Copilot are used for HAL setup, peripheral initialization, ISR templates, and test scaffolding, similar to how developers rely on ready-made...
  5. J

    Problem with TMCM1290EVAL BOARD and HOMING with sensor

    Since the REF input responds correctly when manually pulled to GND, the issue is likely electrical rather than purely software. A collector voltage of ~0.8 V may not be low enough under load try using an open-collector configuration with the board’s internal pull-up only, increase the resistor...
  6. J

    home built cd ign for a V8

    Building a CDI for a V8 is doable but significantly more complex than a single- or twin-cylinder setup due to timing precision and coil requirements. You may be better off starting with a proven schematic or a DIY ECU/CDI kit from established suppliers, which will give you reliable parts...
  7. J

    What is the best alternative to Proteus?

    There’s no single free tool that fully matches Proteus, but a common combination is Wokwi for accurate microcontroller logic simulation and LTspice for analog and power circuits. For Arduino-focused projects, SimulIDE is also a solid free option that supports basic MCU simulation with peripherals.
  8. J

    Inside My Electronics Lab: Where Ideas Turn Into Circuits

    That sounds like a great setup and mindset hands-on experimentation is where real learning happens in electronics. A logic analyser, adjustable bench power supply, and well-labelled component storage can make a small lab far more efficient, especially when debugging microcontroller and...
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