// JOURNAL

News

  1. Fuente de alimentación DC: voltaje, amperios y polaridad

    DC power supply: voltage, amps and polarity

    Choose a DC power supply by checking voltage, amps, power, connector size and polarity to avoid faults or damage to your equipment.

    Alberto Mendez

  2. RS232 y null modem: cómo elegir cable DB9 sin equivocarte

    RS232 and null modem: how to choose a DB9 cable without mistakes

    Learn to tell straight-through DB9 from null modem, male from female, pinout and USB-to-serial adapters before connecting RS232 equipment.

    Alberto Mendez

  3. Cable de antena TV: IEC, conector F y 75 ohmios

    TV aerial cable: IEC, F connector and 75 ohms

    Tell IEC and F connectors apart, plus 75-ohm coaxial cable, shielding and length, to connect DTT, TV, satellite or a set-top box.

    Alberto Mendez

  4. Mi impresora no detecta el USB: cable, puerto y diagnóstico

    My printer won't detect USB: cable, port and diagnosis

    Diagnose why your computer doesn't detect the printer: USB-B cable, port, driver, print queue and tests in order.

    Alberto Mendez

  5. Tornillos VESA para TV: medida, longitud y montaje seguro

    VESA screws for TVs: size, length and safe mounting

    Learn how to choose an M4, M5, M6 or M8 thread, work out the length and use washers and spacers to mount...

    Alberto Mendez

  6. Fibra monomodo o multimodo: conectores SC, LC, APC y UPC

    Single-mode or multi-mode fibre: SC, LC, APC, and UPC connectors

    Learn to distinguish between single-mode and multi-mode fibre, SC and LC connectors, APC and UPC polishes, and simplex and duplex before buying...

    Alberto Mendez