SKU: 71991939454

Adjustable Breadboard Power Supply Kit, Adjustable Output (184)

Sale price$13.50 Regular price$15.00
Save 10%

Pay in installments of $3.75 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 28 - Sep 2

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Adjustable Breadboard Power Supply Kit, Adjustable Output (184)This kit is for making your own breadboard friendly very low dropout adjustable power supply. A good power supply is essential to electronic projects. While there are many existing designs for adjustable power supplies, this one makes improvements that make it more useful for hobby designs MIC2941 regulator has guaranteed 1. 25A output Low dropout, only 40mV 400mV compared to 1. 25V 2. 0V for LM317. This means you can use a wider range of output

This kit is for making your own breadboard-friendly very low dropout adjustable power supply. A good power supply is essential to electronic projects. While there are many existing designs for adjustable power supplies, this one makes improvements that make it more useful for hobby designs

  • MIC2941 regulator has guaranteed 1.25A output
  • Low dropout, only 40mV - 400mV compared to 1.25V - 2.0V for LM317. This means you can use a wider range of output voltages including generating 3.3V from as low as 3.7V (such as 3 AA's or a lithium ion battery)!
  • Short circuit and overheating protection
  • Input diode to protect circuitry from negative voltages or AC power supplies.
  • 2.1mm DC jack and terminal connector for voltage inputs
  • Two indicator LEDs for high and low voltages
  • Output selection switch to select from 3.3v, 5v and Adjustable (also has a breakout for the voltage you're powering the boad with)
  • Onboard potentiometer for adjusting voltage from 1.25V up to within 0.5V of the input voltage. (20V max)
  • On/Off switch for entire board
  • Heat sink included

Project kit comes as components to be soldered to the included PCB. It's not a difficult project, about 30-45 minutes with a soldering iron. Even beginners can make it! You'll need a soldering iron, solder, diagonal cutters and a PCB holder such as a helping hand tool. Breadboard and battery clip or DC power supply is not included, you can use any DC power supply with 2.1mm plug (we have a nice one in the shop).

For design documents, instructions, parts list, etc. Check out Adafruit's project webpage!

Specifications

  • Dimensions(PCB only): 54mm x 21mm x 1.6mm (2.1in x 0.8in x 0.06in)
  • Dimensions(assembled): 54mm x 43mm x 16.6mm(2.1in x 1.7in x 0.6in)
  • Weight: 16g / 0.5oz
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 71991939454

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 28 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
P
Verified Purchase
Phyllis
Bozeman, US
★★★★★ 5
It is what I was looking for
Size: 10-13, Color: Black Lattice
The product is use for a at home slipper so that I don't need to wear shoes. I can relate my feet with a soft support on the bottom of my feet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2022
M
Verified Purchase
Madison Burk
Houston, US
★★★★★ 5
Great treat replacing for motivated dogs!!!
Color: Yellow
i use this ball strictly for training purposes with my Aussie who is super obsessed with balls. My dog seriously loves this ball. This has taken the place of treats. When we aren’t training the ball goes in a closet. So far it’s durable enough for our training session. (If we have a good session he is rewarded with having free access to the ball for a limited time, he enjoys a little tug so I normally hold the rope and let him have at the ball) for $10 id say it’s worth it. It’s definitely not indestructible but it is cheaper for me to replace these than buying treats every week as rewards.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
A
Verified Purchase
Amazon Customer
West Palm Beach, US
★★★★★ 5
Fun toy
Color: Orange
Well made. The puppies love it, BUT it is too hard for them at an early age ( 2 1/2 months. They ended up grabbing the rope. As they got 5-6 months they were fine. Make another model 1 inch smaller and half as hard Belgian Malinois & Doberman.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
S
Verified Purchase
Schamy
Belleville, US
★★★★★ 5
Durable & great deal
Color: Orange and Yellow
My foster German Shepherd has a jaw that's locked and loaded but love these cause I can play tug of war or fling it way across the yard. He's chewed or busted every ball he's received except these. I'm loving them. Very durable, bounces too really well and I can find it easily with the colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
A
Verified Purchase
Amy
Louisville, US
★★★★★ 4
Small balls and came apart
Color: Orange and Yellow
My dog loves them; these are my first set of this type of toy. Good quality materials, but the knot in the rope came undone and the ball came off in 3days. I had someone fix and re-tie and it has held up so far. The next set I’ll get in a larger size, they’re a tad small for my dog’s mouth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2025

recommand products