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USB Humidifier Atomization Driver Board PCB Circuit Board 5V Spray Incubation
US$3.99 US$14.00

Q: what is the white wick like thing for?

Asked by Chris on 2021-02-19 15:51:06

jepvilardell Es tracta de vaporitzar un líquid, en aquest cas aigua. Contactar el condensador sobre una superfície humida i per la cassoleta sortirà el líquid vaporitzat.

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5M RGB Non-Waterproof 300 LED SMD5050 LED Strip Light Led Streifen for Indoor Home Decoration DC12V
US$8.23 US$15.99

Q: How long does it take to come? It’s been 20 business day and it still didn’t come. Thank you for answering!

Asked by emmaxedits on 2020-05-21 09:23:23

jepvilardell a mi m'arriben cap a 30 dies

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3W UV Ultraviolet LED Bead Light DIY Lamp Chip With 20mm Star Base
US$4.38 US$9.99

Q: how to choose power ? for 1 led 8 leds or 12 leds ?

Asked by dchentre on 2019-12-17 01:06:20

jepvilardell led specification: Voltage: DC 3-3.7V Current: 600mA Wattage: 3W The power of the 3W led corresponds to the current of 600mA, you do not have to exceed it. If you do, it will burn. You can connect the LEDs you want in series, have enough voltage and make a circuit that limits this current to a maximum of 600mA. For example: For 1 led the power supply V

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120pcs 5mm White Red Blue Green Yellow Purple LED Light Bulb Emitting Diode Lamp
US$4.65 US$9.99

Q: voltaje de entrada,?

Asked by Jesus El Neñu Gela Marcos on 2019-12-11 01:24:20

jepvilardell debes añadir resistencia para limitar la corriente a 20mA.

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