Roymall Newsletter Subscription Form
Take 20% off your order now - Get early access to deals and sales
Subscribe to Roy's Newsletter
English | 日本語 | Deutsch | Español | Русский | Français | بالعربية
Select Currency Dropdown Arrow
Sprache auswählen Dropdown Arrow
Home>mall>Electronics
0Gefällt mir

0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

4.3554
$9.59 /$11.70
  • Direct purchase from the factory

    • *Name:

    • *Email:

    • *Phone:

    • *Quantity:

    • *Content:

    • Attachment:

      Supports JPG, JPEG, PNG, PDF, EXCEL, WORD, RAR, ZIP, 7z formats

    $4.59 /$11.70
    -+
    Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days
    location

    Sicherer Checkout garantiert

    Kostenloses Geschenk
    Kostenloses Geschenk bei jedem Kauf
    Versandrichtlinie
    Kostenloser Standardversand bei Bestellungen über $9.9
    Rückgaberecht
    Rückgaben werden innerhalb von 40 Tagen nach Erhalt der Ware akzeptiert. Personalisierte Artikel können nicht zurückgegeben oder umgetauscht werden. Artikel, die mit einer E-Geschenkkarte gekauft wurden, können nur umgetauscht werden; Rückerstattungen sind nicht möglich.

    Kostenloses Geschenk

    Willkommen bei Roymall, deiner professionellen Website für den Kauf von Premium-Warenhausgeschenken. Wir schätzen und schätzen deine Unterstützung sehr und möchten unsere Dankbarkeit zeigen, indem wir deinen Einkäufen eine zusätzliche Portion Aufregung verleihen. Wenn du bei uns einkaufst, genießt du nicht nur hochwertige Produkte, die deinen Lebensstil verbessern, sondern erhältst auch ein exklusives kostenloses Geschenk zu jeder Bestellung. Bereit, unsere Kollektion zu erkunden und deine perfekten Geschenke zu finden? Durchstöbere unsere Auswahl an Premium-Warenhausartikeln, gib deine Bestellung auf und freue dich auf das kostenlose Geschenk, das zusammen mit deinem Einkauf ankommt.

    Versandrichtlinie

    Wir werden uns bemühen, die Artikel nach Erhalt deiner Bestellung sicher zu dir zu liefern. Die Lieferdetails werden in deiner Bestätigungs-E-Mail angegeben.In den meisten Fällen werden Bestellungen innerhalb von 2 Tagen bearbeitet. Unter besonderen Umständen kann es zu Verzögerungen kommen: Wenn du deine Bestellung am Samstag, Sonntag oder an Feiertagen aufgibst, wird sie um 2 Tage verzögert.Normalerweise dauert es 5-7 Werktage (Montag bis Freitag), ohne dass Flugverzögerungen oder andere Umweltfaktoren dies beeinflussen.Da unser Versandservice weltweit ist, hängen die Lieferzeiten von deinem Standort ab. In abgelegenen Gebieten oder Ländern kann es einige Tage dauern, also bitte habe Geduld.

    1. Rückgabe- und Umtauschrichtlinie

    Wir akzeptieren nur Artikel, die auf roymall.com gekauft wurden. Wenn du bei unseren lokalen Händlern oder anderen Einzelhändlern kaufst, kannst du sie nicht bei uns zurückgeben. Artikel im Schlussverkauf oder kostenlose Geschenke können nicht zurückgegeben werden.Um für eine Rückgabe berechtigt zu sein, muss dein Artikel unbenutzt und in dem Zustand sein, in dem du ihn erhalten hast. Er muss sich auch in der Originalverpackung befinden.Nachdem du die Rückgabeanweisungen von uns erhalten hast, verpacke bitte deine zurückgegebenen Artikel und gib dein Paket bei der örtlichen Post oder einem anderen Kurierdienst ab.
    Wir bearbeiten deine Rückgabe oder den Umtausch des Artikels innerhalb von 3-5 Werktagen nach Erhalt. Die Rückerstattung wird automatisch auf deine ursprüngliche Zahlungsmethode gutgeschrieben.Keine Rückgaben oder Umtausche sind möglich, wenn das Produkt individuell angefertigt wurde, einschließlich individueller Größe, Farbe oder Druck.Benötigst du weitere Hilfe? Kontaktiere uns. service@roymall.com oder Whatsapp: +447549870296

    2. Rückerstattungsrichtlinie

    Du erhältst eine vollständige Rückerstattung oder 100% Gutschrift, nachdem wir das zurückgesendete Paket erhalten und überprüft haben. Die Rückerstattung wird automatisch auf deine ursprüngliche Zahlungsmethode gutgeschrieben. Bitte beachte, dass Versandkosten sowie Zölle oder Gebühren nicht erstattungsfähig sind. Die zusätzlichen Versandkosten sind nicht erstattungsfähig, sobald das Paket versandt wurde. Du bist für die Zahlung dieser Gebühren verantwortlich, und wir können sie nicht erlassen oder erstatten, auch wenn die Bestellung an uns zurückgesendet wird.Sobald wir deinen zurückgegebenen Artikel erhalten und bestätigt haben, senden wir dir eine E-Mail, um dich zu benachrichtigen, dass wir deinen zurückgegebenen Artikel erhalten haben. Wir werden dich auch über die Genehmigung oder Ablehnung deiner Rückerstattung informieren.Wenn du Probleme mit dem Rückerstattungsprozess hast, kontaktiere uns. service@roymall.com oder Whatsapp: +447549870296
    Description:
    This circuit voltage can be from 0 v, output current can be ma from 2 to 3 a continuously adjustable, set the output current, if the experiment circuit exceeds the current (including short circuit), the circuit protection immediately, not cause danger such as burning device, it is electronic manufacture"s right-hand man. Like making all kinds of audio circuit friend, due to the different working voltage and circuit have a headache, this circuit can also two series into a dual power supply, can meet the needs of all sorts of use.
    English manual:     http://myosuploads3.banggood.com/products/20230706/20230706015646install.pdf
    Transformer: Product ID: 1210628

    Feature:
    Input voltage: 24V ACInput current: 3A maximumOutput voltage: 0 to 30V continuous adjustableOutput current: 2mA - 3A continuously adjustable
    Output voltage ripple: minimum 0.01%
    All straight inserted element, make easy, only an adjustable components ( used to adjust the voltage of 0 v )LED indicator for output over current, when the current exceeds the set data circuit protection, LED lighting, over load and short circuit protection Minimum current (2mA) under the measurable leds and zener diode

    Notice:
    Power production belongs to the high voltage large current circuit, please be sure to carefully, otherwise may cause harm to the personal safety.

    Package included:

    1 x Adjustable DC Regulated Power Supply DIY Kit

    Note:

    The finished product is for reference only, and the parts may be inconsistent, which does not affect operation and use.
    If you need to add a heat sink and fan, follow the installation location as shown below. Note that you need to bring your own heat sink and fan, the package does not include a heat sink and fan.
    Mit Paypal kaufen
    Products related to this item
    Loading related products...
    ❮
    ❯
    Videos for similar product
    Loading product videos...
    ❮
    ❯
    Electronics Ranking
    More Electronics

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    0-30 V 2 mA - 3 A Einstellbares geregeltes DC-Stromversorgungsmodul DIY-Kit

    Customer Reviews

    4.90 out of 5
    See all 1791 reviews
    Write a Review
    • All Reviews (1791)
    • Image ( 1 )
    • Video (0)
    • All Star
      • All Star(1791)
      • 5 Star (2)
      • 4 Star (0)
      • 3 Star (0)
      • 2 Star (0)
      • 1 Star (0)
    Sort by:
    Top Review
    • Top Review
    • Most Helpful
    • Most Recent
    Reviews only from your country (United States)
    |
    Show Original

    A part of the review has been auto-translated.

    • freds
      21/07/2015

      ordered 3 of these cheap pcb's, all workt perfect after a few hours of soldering. Now the main test: the transformer is a 24v ac 90 watt the load is a 10R / 50 watt resistor, I put voltage to 20Volt that's 2amps, all 3 blew up after some while...3x the 2sd1047 broke down, after replacing the 1047 on 1 of the pcb's and again testing 2 of the tl081 blew up... After checking the schematic I see that the tl081 gets almost 30 volt and -5 at power pins, that is nearby max of ic...So I changed this, now the tl081 gets +5 and -5 at power pins... next change put 2 1047 in parralel with an extra resistor 0.33R in the emitter line....all works perfect now, but watch out, if you going to use 3 amps out of this power supply this is near the max of used parts, it can get you into some nice firework, so don't go over 2.5 amps.....Than another nice mod. take out the parts that make the -5 volt that fed the tl081's, than use a 7805 and a ltc660 (or similar) and fed the 081's with the -power with the mod. Now you can also use a dc powersupply for fed this pcb....And make sure you cool the 2sd1047, I use an old 478 + fan intel cpu cooler.... It's a fun project to build, has some flaws but can easily be fixed...

      Comments (10)
      Show Original
    • deba168
      IN
      12/07/2017

      The kit is really excellent.I made a variable bench power supply by using this kit.The detail project is on Instructables
      https://www.instructables.com/id/DIY-Bench-Power-Supply/
      https://youtu.be/p50oae_Nnq0

      Comments (3)
      Show Original
    Show:
      12...30

      Total 0 pages

      Go to page

      Go
      Customer Q&As
      Searching for relevant results...
      Can't find your answer? Ask a new questionorCustomer Service

      Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.

      showing 1-30 of 81 |
      Show Original

      A part of the QA has been auto-translated.

      • 0
        Q: If I used a transformer that already output is 24v DC, Will is Ok? Or will I lose something?
        A:
        NO!! In the instructions it states strictly 24V AC
        Answered by mark3960 on 28/12/2017Helpful (0)
      • 0
        Q: Can I use 12V 1A transformer?????
        A:
        You can use yes, you just can't connect a wire above 24v AC.
        Answered by William Silva Souza on 25/05/2022Helpful (0)
      • 0
        Q: Can I use 12V 3A transformer to power it???
        A:
        24 volts only
        Answered by BG481657251 on 25/12/2021Helpful (0)
      • 0
        Q: o/p voltage not more than 9v what could be the problems?
        A:
        Firstly check the main transformer out put voltage if the transformer is OK showing the required voltage then check the IC and other component including main four diode.
        Answered by kuldeep on 11/11/2021Helpful (0)
      • 0
        Q: what is 100k trimer for?
        A:
        Evidently it is to set the output voltage to 0v when the output potentiometer (10K Pot marked 'V' on the board) is in it's minimum position. Have you not downloaded the PDF instructions for building this PSU?? I haven't built mine yet, but the PDF tells you all the info about it including the above setup method.
        Answered by Vince on 28/03/2021Helpful (0)
      • 0
        Q: can I use a transformer with 34V AC output? And in which wise can modified the input circuit
        A:
        No
        Answered by kuldeep on 12/09/2021Helpful (0)
      • 0
        Q: What's the 100 k trimmer for?
        A:
        yes. trimpot for calibration
        Answered by SRamakrishnan on 01/02/2025Helpful (0)
      • 0
        Q: Hi, as soon as I connect a load of even a few milliamps, the D1047 overheats so much that you can't even touch it. I mounted a heatsink but no fan. Is it normal or can I do some special checks? The LED never lights up. Thank you
        A:
        Look at this site to update the circuit:... www.paulvdiyblogs.net slash 2015 slash 05 slash tuning-030v-dc-with-03a-psu-diy-kit.html
        Answered by Lisa L on 03/02/2021Helpful (0)
      • 0
        Q: how can I use a 24 volt 3 amp centre tapped transformer
        A:
        no. you can use 24-0 not 24-0-24
        Answered by SRamakrishnan on 04/02/2024Helpful (0)
      • 0
        Q: I assembled the power supply, connected to the AC transformer 24 volts. Output voltage ranges from 0 to 4 volts. What could be the problem?
        A:
        If all the components checked OK before assembly, the probable culprit is the (not powerful enough) transformer.
        Answered by lanafina452 on 08/10/2020Helpful (0)
      • 0
        Q: The datasheet indicates a maximum supply voltage of 30V for the TL081. Is there not a risk by supplying them with a rectified and filtered 24V AC voltage, i.e. a DC voltage of about 35V?
        A:
        OP07CP might do the job, It has a supply voltage of 44V max. It is pin compatible to TL081 and best of all, its cheap (*****,50)
        Answered by Impatt on 18/05/2020Helpful (0)
      • 0
        Q: Can I use 24v 4a ac transformer?
        A:
        from the reviews ,I see the comparator ic, will not withstand that voltage. use ***** 15 or gofor higher voltage comparator
        Answered by SRamakrishnan on 02/11/2023Helpful (0)
      • 0
        Q: Can I use 220V - 26VAC transformer to power the board, what will be the impact on the output or on the components?
        A:
        youcan try using. make sure the comparator IC do not burn out.0-26 would be fine not 26-0-26 (dont use)
        Answered by SRamakrishnan on 20/03/2025Helpful (0)
      • 0
        Q: Will the 24-0-24 volt torodail builder machine?
        A:
        of course it'll work. but you have to connect just two outputs of toroidal transformer : 0 and 24V. Isolate the other one.
        Answered by wexler on 27/01/2021Helpful (0)
      • 0
        Q: Hello, how can I have 3 DC output in total? I want to have a Positive, A negative and ground Pins for the power supply
        A:
        This one has only 1 output. What you want is a symmetrical font, Search for ( Dual Variable Power Supply LM317 and LM337 )
        Answered by TonBG248126253 on 10/07/2023Helpful (0)
      • 0
        Q: I bought this product. i assembled it according instructions and checked a few times. I connected it to transformer with output 24AC but I can reach only 27,1V output voltage. Please, let me know what could be a problem and how it could be solved. Thanks.
        A:
        The PCB traces from filter capacitor to output are too thin to carry the 3A as advertised. They need to be reinforced with external wiring.
        Answered by lanafina452 on 25/07/2020Helpful (0)
      • 0
        Q: can I have 2 boards connected on parallel? just to have higher output current? I can add diodes at outputs to isolate etc.. but will it work?
        A:
        Notrecommended, each module should have its own transformer, a better option would be to add an output transistor in parallel.
        Answered by heavyd on 07/06/2020Helpful (0)
      • 0
        Q: Can you connect a display screen to output ?
        A:
        Sure, you can
        Answered by azzam_4u on 10/06/2023Helpful (0)
      • 0
        Q: Why when the potentiometers V and I are at minimum and the output is free LED lights up?
        A:
        ignore led. when used 0-24 v and potentiometer adjusted it won lit up. I tested with balancing ppt and it worked
        Answered by SRamakrishnan on 01/01/2025Helpful (0)
      • 0
        Q: what is the maximum amp of this circuits? what happened if I give an above 3amp output load?
        A:
        3amp
        Answered by alkis78 on 20/04/2025Helpful (0)
      • 0
        Q: 25/03/2022 How is the issue of transport? What is the delay due to the conflict in Ukraine?
        A:
        good product
        Answered by Victor D'angellis on 23/04/2023Helpful (0)
      • 0
        Q: What is the fuse size (A) and type (Fast blow or Retarded blow) for a mains supply of 230V
        A:
        any fuse would be fine
        Answered by SRamakrishnan on 01/04/2025Helpful (0)
      • 0
        Q: My output is stuck at -0,34Vdc, and the overcurrent led is constantly on. Turning the potentiometers or the trimmer does not help, output is always -3,4V. I triple checked the components, and all seems right. I use a 24V transformer that can supply 3 amps too. Anyone had similar problems?
        A:
        I have had it happen, yes. The first time one of the op-amps was bad (always use sockets! Also, i recommend UA741's instead). The second time i blew the big white shunt resistor (It pays to keep spares). If you aren't using a heat sink and fan, i highly recommend that you do. I have about ten of these little kits and love building and using them! Hope this helps.
        Answered by rupe01 on 12/12/2020Helpful (0)
      • 0
        Q: What are the two white connectors for?? Where do they connect??? Input/output, or something else??
        A:
        The 2 white connectors are for the connection option of the voltage and current regulating pots. In case you don't want to install directly to the circuit.
        Answered by BG234445611 on 29/01/2021Helpful (0)
      • 0
        Q: hi I recently got one of these power supply kits and assembled it. It will only output a max 24volt. The input voltage is as required. Can this be increased as there is no instructions or diagram?, also the led lights up even with no load but glows much brighter when set current is exceeded. is this normal operation or have I a problem? as it does work ok otherwise.
        A:
        Low output voltage has 2 main reasons. 1) Transformer not powerful enough. To sustain 30VDC at 3ADC, the transformer must output at least 30x3=90W. This is a rather stringent requirement that not all transformers can meet. 2) PCB traces from filter capacitor to power transistor to output are too thin to carry that 90W. This is a design flaw that can be overcome by reinforcing them with external wiring. Current-limiting LED always on probably because corresponding potentiometer not at fully-clockwise position to disable current-limiting function.
        Answered by lanafina452 on 08/09/2020Helpful (0)
      • 0
        Q: There is a LM7824 on the circuit board which is not in the parts list or the schematic diagram. Please explain and correct.
        A:
        The 7824 is not included... it it optional... There is no need to Correct... Consider it a bonus to add when you get more proficient in electronics.
        Answered by Lisa L on 03/02/2021Helpful (0)
      • 0
        Q: is this have short circuit protection
        A:
        In case of over current it goes into protection
        Answered by William Silva Souza on 25/05/2022Helpful (0)
      • 0
        Q: I have a transformer with a 22/23volt ac and 150watt output. Will this work to power this power supply module
        A:
        yes it will work fine
        Answered by PatracPatra on 06/11/2021Helpful (0)
      • 0
        Q: can I use 24 volt. 3 amp. AC transformer as input
        A:
        Yes, that will be perfect.
        Answered by rupe01 on 12/12/2020Helpful (0)
      • 0
        Q: I have a 18v-2A AC. Can i use this with that kit??
        A:
        if it is 0 -18v you can use
        Answered by SRamakrishnan on 26/12/2023Helpful (0)

      Mein Warenkorb Warenkorb (5214)
      Meine Favoriten Meine Favoriten (0)

      Roymall Service

      Hi ?
      How can we help?

      Track Order status FAQ Complaint/Suggestion Contact support (10AM - 7PM ET)
      +44 7549870296
      Home