# WiFi module ESP8266 3.3VDC UART 2.4GHz

**URL:** https://aio.lv/en/product--wifi-module-esp8266-33vdc-uart-24ghz--6636564
**Data updated:** 2026-02-12 14:21 (EET)
**Category:** Other Repair Parts
**Manufacturer code:** EB1484167656#
**EAN:** 3100001013508
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.62 €
**Prices and availability valid until:** 2026-08-17 23:59
**Price without VAT (21%):** 7.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wifi-module-esp8266-33vdc-uart-24ghz--6636564

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.79 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

ESP8266 WiFi module operating at 3.3VDC with UART interface for 2.4GHz wireless communication. Designed to add WiFi connectivity to microcontroller projects, it provides serial (UART) data exchange and supports typical 2.4GHz WLAN networks. Suitable for IoT prototypes, home automation modules, and embedded systems where compact wireless networking is required.

## Long description

The WiFi module ESP8266 3.3VDC UART 2.4GHz provides compact wireless connectivity for microcontroller-based projects. Operating at 3.3 volts DC and communicating via a UART serial interface, this module enables devices to join standard 2.4GHz WLAN networks and exchange data with servers, cloud platforms or local networks. It is intended for integration into IoT prototypes, home automation nodes and embedded systems where small size and low-voltage operation are required.
Advantages
The module offers reliable 2.4GHz WLAN communication with a simple UART connection, reducing the need for complex network stacks on the host controller. Low-voltage operation at 3.3V makes it compatible with common microcontrollers and single-board computers that provide 3.3V logic. Its compact form factor and established protocol support facilitate fast integration into existing hardware designs without extensive redesign.
Suitable for
 Adding WiFi connectivity to microcontroller projects and development boards
 Prototyping Internet of Things (IoT) sensors and actuators
 Home automation modules such as smart switches, sensors and gateways
 Embedded systems requiring wireless data exchange over 2.4GHz networks
 Educational electronics projects and rapid hardware testing
Key specifications
 Operating voltage: 3.3 V DC
 Wireless frequency: 2.4 GHz (WLAN)
 Interface: UART serial communication
 Network support: standard 2.4GHz WLAN protocols (STA/AP modes typically supported)
 Typical use: client or access-point connectivity for data exchange
 Form factor: compact module suitable for PCB integration or prototyping boards
How to use
Connect the module's VCC to a stable 3.3V supply and tie the ground to the host system ground. Use the UART TX/RX pins to communicate with the host microcontroller, configuring baud rate and serial settings to match the module's firmware. If required, connect CH\_PD/EN or reset pins according to the module variant documentation. Use AT commands or a supported firmware API from the host to scan networks, join an access point, open TCP/UDP connections and exchange data. Ensure proper level shifting or direct 3.3V logic compatibility for reliable UART signaling.
Usage recommendations
Provide a stable 3.3V power source with adequate decoupling capacitors and, if necessary, a regulator capable of handling peak transmit currents. Avoid exposing the module to voltages above 3.3V on power and I/O lines. For reliable network performance, place the module antenna away from large metal objects and noisy power circuitry. When developing, use serial logging and flow control where available to monitor connection status and debug network interactions.

## FAQ

### How much does the ESP8266 WiFi module 3.3VDC UART 2.4GHz cost, and is it available for purchase?

The price is 9.62 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 27.07.2026 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.

### 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

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