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LONELY BINARY

LONELY BINARY 27-Pack Logic Level Converter 2/4/6 Channel 3.3V to 5V | 18x 2-ch + 6x 4-ch + 3x 6-ch; bi-directional, auto-direction; I2C, SPI, UART; 2.54mm, breadboard; for Arduino, ESP32, Pico

Name: LONELY BINARY 27-Pack Logic Level Converter 2/4/6 Channel 3.3V to 5V | 18x 2-ch + 6x 4-ch + 3x 6-ch; bi-directional, auto-direction; I2C, SPI, UART
Brand: LONELY BINARY
SKU: B0FFMLDYNY
Price: 12.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$12.99

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*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The LONELY BINARY 27-Pack Logic Level Converter 2/4/6 Channel 3.3V to 5V | 18x 2-ch + 6x 4-ch + 3x 6-ch; bi-directional, auto-direction; I2C, SPI, UART; 2.54mm, breadboard; for Arduino, ESP32, Pico is a niche pick — read recent reviews before buying in the games & cartridges category, priced around $12.99. Compare close alternatives before committing.

SpecPicks Verdict

SpecPicks scored LONELY BINARY 27-Pack Logic Level Converter 2/4/6 Channel 3.3V to 5V… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the games & cartridges category. LONELY BINARY's games & cartridges lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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

✓ Backed by LONELY BINARY's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ 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

【27-PIECE ASSORTED CHANNEL KIT】Includes 18x 2-channel, 6x 4-channel, and 3x 6-channel logic level converter modules for various interfacing needs in IoT and microcontroller applications.
【BI-DIRECTIONAL LOGIC SHIFTING】Converts signals between 3.3V and 5V levels for mixed-voltage electronics projects. Automatic direction sensing — no manual configuration needed.
【PROTOCOL COMPATIBILITY】Supports I2C, SPI, and UART protocols — for connecting sensors, displays, LED strips, and other peripherals.
【BREADBOARD-FRIENDLY DESIGN】Compact modules with standard 2.54mm pin spacing for prototyping and integration into custom circuits. Works with Arduino, ESP32, Raspberry Pi, and similar platforms.
【Versatile IoT Integration】Compatible with popular development boards and IDEs like those for ESP32, Raspberry Pi, and similar platforms
【Value-Packed Kit】27 pieces provide ample supply for multiple projects, workshops, or educational purposes without frequent reordering

Full Specifications

Brand	LONELY BINARY
Color	27pcs 2/4/6 Channel Logic Level Converter
RAM Type	DDR3 SDRAM, DDR4 SDRAM
Model Name	27pcs Logic Level Converter Kit
Style Name	27-Piece Assorted Kit (2/4/6 Channel)
Model Number	27pcs Logic Level Converter Kit
Built-In Media	18x 2-channel, 6x 4-channel, and 3x 6-channel Logic Level Converter modules
Power Plug Type	No Plug
Special Feature	Bi-directional, automatic direction sensing, multi-channel (2/4/6), 3.3V to 5V shifting, I2C SPI UART support, breadboard-friendly 2.54mm
Compatible Devices	Arduino, Raspberry Pi, Breadboards, Sensors, Modules, IoT Devices, Robotics Kits, STEM Kits
Hardware Interface	2.5mm Audio
Additional Features	Bi-directional, automatic direction sensing, multi-channel (2/4/6), 3.3V to 5V shifting, I2C SPI UART support, breadboard-friendly 2.54mm
Included Components	18x 2-channel, 6x 4-channel, and 3x 6-channel Logic Level Converter modules
Warranty Description	1 Year Warranty
Wireless Compability	Infrared
Connectivity Technology	Pin Headers
Wireless Communication Standard	Infrared

Ready to buy?

LONELY BINARY 27-Pack Logic Level Converter 2/4/6 Channel 3.3V to 5V | 18x 2-ch + 6x 4-ch + 3x 6-ch; bi-directional, auto-direction; I2C, SPI, UART; 2.54mm, breadboard; for Arduino, ESP32, Pico is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Price and availability subject to change.