Recent content by olivia_49

  1. O

    New to Arduino & ESP32

    Welcome! Since you already have programming experience, the ESP32-S3 Zero is a great board to start with and the Arduino framework will make learning C/C++ much easier. Begin with simple things like GPIO, serial output, and small hardware tests, seeing quick results really helps keep the...
  2. O

    Burn-in Testing with Thermal Limitations

    Good questions. With those temperature limits and slow ramps, I probably wouldn’t label it as true burn-in per JEDEC, it’s closer to a functional or light thermal stress screen. That said, it can still be useful for catching early workmanship or solder-related issues, especially from the...
  3. O

    Looking for OFF the shelf HDMI/FPGA MIPI DSI convertor with support

    You’re right, there are some off-the-shelf options out there, so you shouldn’t have to start from scratch. You might want to look at vendors like Lattice (with their HDMI-to-MIPI reference designs) or companies such as D3 Engineering or Avnet, who often provide supported FPGA-based video bridge...
  4. O

    Simple home project

    If each house runs on 3 V, series wiring would need 18 V, but that’s risky, one failure and all go out. It’s safer to wire them in parallel with a 3 V regulated supply. Six houses at ~50 mA each need ~300 mA, so a 1 A supply is plenty.
  5. O

    LED bulb+base combo

    Don’t wire a regular LED bulb directly to 120 V on a jigsaw, it’s unsafe. Instead, use a low-voltage (12 V) LED work light with an isolated AC-DC supply, wired in parallel with the tool’s switch. Rugged LED puck or COB modules work well, are vibration-resistant, and can be aimed directly at the cut.
  6. O

    Inside My Electronics Lab: Where Ideas Turn Into Circuits

    Sounds awesome! For small labs, focus on versatile tools like a good multimeter, oscilloscope, and a logic analyzer, they make experimenting and troubleshooting way easier.
  7. O

    Is AI making any impact on embedded software development?

    You’re right, most AI tools ignore embedded realities. Some engineers still use AI effectively for driver scaffolding, RTOS design, and debugging hardware issues. It helps as a reasoning assistant, not a full code generator.
  8. O

    Rf remote of 4 led cob flasher light missing

    Most RF flasher lights only work with their original remote or a compatible one using the same frequency/protocol. Unless the receiver has a learn/pair button, a random remote won’t work. You’ll likely need to identify the RF module inside or find a matching replacement. A similar discussion is...
  9. O

    What is the best alternative to Proteus?

    No, Tinkercad is limited to its built-in Arduino boards and doesn’t support generic MCUs like the ATmega32 or loading raw .hex files. If you need that Proteus-style workflow, SimulIDE is a better free option, it supports AVR MCUs and running compiled firmware, though it’s still simpler than Proteus.
  10. O

    Where can I find electronic circuits classified by “difficulty level”?

    You might look into electronic design contest archives or STEM education resources, competitions often classify circuits by difficulty. Also, IEEE Xplore or other academic databases sometimes have papers on circuit pedagogy or complexity metrics, which could provide datasets or structured...
  11. O

    PCB Manufacturing — Complete Beginner’s Guide

    To get boards made at PCBWay, you only need Gerber files. If you want them to assemble it, you also upload a BOM and pick-and-place file. Single-layer is the cheapest and simplest, double-layer is what most hobby projects use, and multilayer is for dense or high-speed designs. FR-4 is fine for...
  12. O

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

    Those HP FBWC packs aren’t just batteries, they have a control board that tells the RAID card the pack is present and healthy. Supplying 5–6 V alone won’t enable write cache because the card expects that handshake. The usual fix is to reuse the PCB from a dead FBWC pack and hook your own...
  13. O

    Monitor mixer for musicians with more-me function

    That sounds like a solid and practical design, very similar to pro personal monitor systems. The NE5532 choice makes sense for low-noise audio, and the signal routing idea is clear and well thought out. Happy to look at the schematics and discuss it further.
  14. O

    Symbol I have found

    Yeah, those Cordovox part numbers are house codes, so you’ll need to identify the parts by their role and ratings in the circuit and then cross-reference modern equivalents. The diode stack is likely just a series voltage reference, and recapping is definitely a good move on gear that old.
  15. O

    IR Spectrometer Project: Is This Project Within My Reach?

    That sounds like an awesome project! The grating part seems doable, but the sensor will be tricky, you’d need something really sensitive like a thermopile, MCT, or pyroelectric detector. Even just detecting the presence or absence of certain wavenumbers could give you interesting results, and...
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