*** The TPC Android application IS NOT OFFICIAL. Use it at your own risk! ***
Using the app GIVES THE DEVELOPER ACCESS TO YOUR LOGIN DETAILS.

Forum Topic

Ask Sir Tony - an Electronics/Electrical Q & A thread

  • Post deleted #11935362
  • Mga sir/ma'am, pwede ba i-posisyon na patagilid ang AVR? Balak ko patayuin ito on its side tapos elevate ng kaunti para hindi matakpan yung vents. Salamat!
  • Post deleted #11938849
  • Post deleted #11938904
  • sir paano magpost ng pic,
  • ^
    Upload pic to an image hosting site (imgur, flickr, etc.) then use the url or img tag .
  • ang wire ba for split type inverter 1.5 hp is #10 thhn wire tapos 30A breaker? hnd ba mataas na din un since hindi lagi gagana ang motor/compressor? pag non inverter window type naman pwede na #12 thhn wire at 20a? tia
  • guys, just a quick question... kung meron akong 5v powerbank with 2A output at kabitan ko ng 4 separate unit na usb led light (4-6leds each), does it mean na automatic ba na distributed ung ibibigay ni powerbank? Like .5A*4=2A? In this case, kung sakali gagamit ako ng 5v battery (for motor bikes) with higher Amps pano ko po ito malilimit sa 2A lang to use for usb Light led's? Thanks po.
  • @timmy09

    Sir mas maganda gauge 10 lalo na kung malayo tatakbuhin ng wire from breaker ng aircon papunta sa main breaker ng bahay. Tapos same price lang naman ang 30 AMPS sa 20 so sa 30 ka na.
  • Pagdating sa breaker, higher rating doesnt mean that its better. Read the users manual. Nandon ang recommended circuit breaker rating.
  • Yup, huwag masyadong mataas ang rating sa breaker, you may risk burning the appliances first before the breaker trips. Well, that's the principle.
  • Anong okay brand na electrical wire? Thnn?
  • i see, so ok na ang 20A kahit sa split type na 1.5hp? thanks
  • Check aircon manual. Nakalagay sa users manual ang dapat na rating ng circuitbreaker .
  • Eh yung Panther extension cord with built in 10 amp circuit breaker pede kaya yun ang gamitin sa .5 hp na ac?

    -- edited by megasyxx on Jun 09 2017, 06:23 PM
  • Di pede for me. Kasi sa manual ng 0.5hp aircon, recommmended circuit breaker is 15amps. Kung gusto mo extension DIY ka ng extension mo para sure ka sa taba ng wires. Gamitan mo ng appropriate pkug and socket na pang aircon.

    -- edited by PadreFlorentino on Jun 09 2017, 08:17 PM
  • mga sir, meron po bang nabibili na step down transformer na parang adaptor lang kalaki? need ko po kasi 220v-110v.. kung meron po ano po magandang brand, TIA
  • mga master, meron po bang paraan pra gawin 12v ung nabiling 220v na usb charger (5vx6 port). pra syang extension na me 6x usb (for powering/charging usb. mali kasi nabili at dna pwede palitan... thanks po.
  • Unless you buy a 12v to 220v inverter, which may be more expensive than a 12v to USB power adapter.
  • me nabasa ako dati na ung mga 220v led light bulb pwede gawing 12v meron lang papalitan/tagangalin pra maging 12v. maybe same principle applies...? any other input... thanks.
  • ^ LED bulbs are quite simple in terms of circuit design.

    USB chargers are more complicated. Besides, the component spacing can be quite tight since most are designed to be as small as possble.

    Let's use this image


    from <click here for link>

    Tell me if you think you can replace any soldered component in that circuit board.
  • ganito po itsura nya, sabi ko po extension type sya... sorry po at link lang pwede dito sa opis huhuhu... thanks
    <click here for link>
  • Walang paraan. See that chip? Thats a 5volt voltage regulator. replace that with a 12volt regulator chip and all other associated components magiging 12 volts na.... Kaso surface mounted components yan.

    in short, better buy a 12volt power supply kesa wasakin mo yan.
  • Doesn't matter. A USB charger is a switch-mode power supply, like a PC's power supply.

    You'll probably end up changing half the circuit , not just replacing two or three components as you think. And you'd definitely need the schematics of the circuit board in order to know which components to replace.
  • yes, thanks guys for clearing this up. mali kasi talaga ang binili, supposed to be pra sana ito sa 12v load ng mppt kaso binili nman png 220v outlet.. anyway, thanks po uli...

    padagdag nrin po sa tanong... kung mgcoconnect ako sa 40a mppt charge controller sa 12v load nya, mga ilang meters ng wire ang pwede sa kanya? Need ko po mgseries ng dc led light bulbs + dc fans withing 12-15meters (total around 100w) ...Thanks po.

    -- edited by dodick on Jun 18 2017, 07:25 PM
  • buhay pa po ba si sir tony? baka po may kontak number kayo? salamat!