# Joy-IT COM-KY051VT Voltage Translator 5V to 3.3V Step Down and Up

**URL:** https://aio.lv/en/product--joy-it-com-ky051vt--12722016
**Data updated:** 2026-11-09 04:43 (EET)
**Category:** Other goods
**Manufacturer:** Joy-IT
**Manufacturer code:** COM-KY051VT
**EAN:** 4250236816746
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-12-13 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--joy-it-com-ky051vt--12722016

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.11.2026 | free |
| Pickup points | 03.12.2026 | 1.99 EUR |
| Courier delivery to door | 03.12.2026 | 4.99 EUR |

## Summary description

The Joy-IT COM-KY051VT voltage translator is a reliable electronic component designed for bidirectional level shifting between 5V and 3.3V logic systems. It functions as both a step-down and step-up converter, ensuring seamless signal compatibility between microcontrollers, sensors, and various electronic modules. Ideal for prototyping, DIY electronics projects, and repairing hardware interfaces that require different operating voltages.

## Long description

The Joy-IT COM-KY051VT voltage translator is a reliable electronic component designed for bidirectional level shifting between 5V and 3.3V logic systems. It functions as both a step-down and step-up converter, ensuring seamless signal compatibility between microcontrollers, sensors, and various electronic modules. Ideal for prototyping, DIY electronics projects, and repairing hardware interfaces that require different operating voltages.
Advantages
This voltage translator provides bidirectional level shifting, allowing smooth communication between devices operating at different voltage levels without signal degradation. By functioning as both a step-down and step-up converter, it accommodates a wide variety of microcontrollers and peripheral sensors within a single circuit design. The compact form factor makes it easy to integrate into existing setups, breadboards, and custom printed circuit boards. It ensures stable data transmission and protects sensitive low-voltage components from higher voltage levels.
Suitable for
Connecting 5V microcontrollers to 3.3V sensors and modules
Integrating 3.3V microcontrollers with 5V peripheral devices
Prototyping and breadboard electronics projects
Repairing and modifying hardware interfaces with mixed logic levels
DIY electronics and maker applications requiring voltage adaptation
When it may not be suitable
This device is not designed for high-current power delivery and should not be used as a voltage regulator to power heavy loads or motors. It is intended strictly for logic signal level translation rather than high-power conversion tasks.
Key specifications
Bidirectional voltage translation
Supports 5V and 3.3V logic systems
Functions as step-down and step-up converter
Compatible with microcontrollers, sensors, and electronic modules
How to use
Connect the high-voltage side of the translator to your 5V logic devices and the low-voltage side to your 3.3V logic devices, ensuring that the ground pins are properly shared between all connected systems. Apply the respective supply voltages to the designated high and low voltage reference pins on the module to establish correct logic thresholds. Double-check all wiring connections before powering on the circuit to prevent potential signal mismatch or hardware damage.
What to consider before purchase
Verify the operating voltage requirements of your microcontrollers and sensors
Ensure your application requires bidirectional logic level shifting
Confirm that the device will be used for signal translation rather than power supply regulation
Usage recommendations: Always verify pin connections and shared ground references before applying power to prevent logic level conflicts and ensure reliable signal translation across your electronic components.

## FAQ

### How much does the Joy-IT COM-KY051VT Voltage Translator cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Joy-IT products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Joy-IT service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12722016/70981392_large.webp