LONELY BINARY
LONELY BINARY 3-Pack Breadboard Power Supply Modules - 3.3V/5V Switchable USB-C, 500mA Protection for Arduino, Raspberry Pi DIY Prototyping (Breadboards NOT Included)
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
Empower Your Prototypes with LONELY BINARY Breadboard Power Supply Modules (3-Pack)The LONELY BINARY Breadboard Power Supply Module is a compact and versatile power adaptor designed for electronics prototyping on solderless breadboards. This 3-pack plugs directly into the power rails of your breadboard (sold separately) to provide stable voltage for your circuits, eliminating the need for messy wiring or external adapters. Ideal for hobbyists, students, and makers working on quick prototypes, testing ideas, or STEM projects with development boards like Arduino, Raspberry Pi, Pico W, and ESP32…
SpecPicks Verdict
SpecPicks classifies LONELY BINARY 3-Pack Breadboard Power Supply Modules - 3.3V/5V Switch… as a category leader on buyer feedback in the games & cartridges category, based on 36 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. LONELY BINARY's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for games & cartridges of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.7★ average across customer reviews
- ✓ Backed by LONELY BINARY's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- VERSATILE 3.3V/5V SWITCHABLE OUTPUT : Easily toggle between 3.3V (up to 1A) and 5V (up to 1.5A) with a simple slide switch; perfect for powering Arduino, Raspberry Pi, Pico W, ESP32, and other microcontrollers without extra adapters.
- 【BUILT-IN SAFETY PROTECTION】Features PPTC resettable fuses limiting current to 500mA per module to prevent overloads, short circuits, and damage—ideal for beginners and pros experimenting with STEM projects.
- 【MODERN USB TYPE-C CONNECTIVITY】Seamless integration with laptops, power banks, or USB hubs via Type-C input (5V DC); eliminates messy wiring for clean, portable prototyping setups.
- 【LED POWER INDICATORS FOR EASY MONITORING】Dual LEDs (red for 5V, blue for 3.3V) clearly show active voltage status; ensures safe operation and quick troubleshooting during DIY electronics builds.
- 【COMPACT & COMPATIBLE DESIGN】Plugs directly into standard solderless breadboard power rails; compatible with low-power experiments like Meshtastic, IoT, or sensor projects—pack of 3 for multiple setups.
- 【RELIABLE VOLTAGE STABILITY】Measured outputs of ~3.27V (3.3V nominal) and ~4.92V (5V nominal) with minimal drop; great for quick prototypes, though note orientation to avoid reversed polarity.
Full Specifications
| Brand | LONELY BINARY |
|---|---|
| Wattage | 7 watts |
| Model Name | 3.3V/5V Switchable Breadboard Power Supply |
| Form Factor | Breadboard |
| Connectivity | USB-C |
| Model Number | Switchable Breadboard Power Supply |
| Compatibility | Switch |
| Built-In Media | 3xBreadboard Power Supply Modules |
| Connector Type | Type C |
| Cooling Method | Air |
| Current Rating | 1.5 Amps |
| Output Wattage | 5 Watts |
| Item Dimensions | 0.65 x 2.09 x 0.79 inches |
| Compatible Devices | 400 Point Solderless Breadboard, 830 Point Solderless Breadboard, Breadboard , full size breadboard, half size breadboard. |
Ready to buy?
LONELY BINARY 3-Pack Breadboard Power Supply Modules - 3.3V/5V Switchable USB-C, 500mA Protection for Arduino, Raspberry Pi DIY Prototyping (Breadboards NOT Included) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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