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Integrated Dual-Processor Design: Combines ATmega328P and ESP8266 modules on one board for embedded control and wireless IoT communication applications.
Flexible Wireless Connectivity: Integrated ESP8266 WiFi functionality supports smart home systems, remote monitoring, wireless automation, and IoT device development.
Convenient USB Programming: Onboard CH340G USB-TTL converter enables firmware uploading and serial communication for both ATmega328P and ESP8266 modules.
Configurable Module Operation: DIP-switch architecture allows independent or combined operation between ATmega328P and ESP8266 for flexible embedded system integration.
Wide Development Compatibility: Compatible with Arduino IDE and suitable for robotics, wireless sensor networks, industrial monitoring, smart control systems, and embedded electronics projects.
The Elecbee UNO WiFi R3 ATmega328P + ESP8266 Development Board is an integrated embedded controller module combining the ATmega328P microcontroller and ESP8266 WiFi chipset on a single compact platform. Designed for IoT development, wireless automation, robotics, smart devices, and embedded control applications, the board supports flexible standalone or combined operation of both processing modules.
The UNO WiFi R3 development board is suitable for IoT systems, wireless sensor networks, home automation, robotics projects, remote monitoring systems, smart device control, industrial data acquisition, and embedded wireless communication applications.
The integrated ATmega328P and ESP8266 architecture enables flexible processing and wireless communication within a single embedded platform. The onboard CH340G USB-TTL converter simplifies firmware uploading and serial communication while reducing external hardware requirements for rapid development.
Compatible with Arduino-based development environments, the board supports programming and firmware updates for both the ATmega328P and ESP8266 modules through USB communication. The DIP-switch configuration allows independent or combined module operation for flexible embedded system design.








Shipping | Delivery Period | Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. Express: 3-7 days. Standard Post: 7-20 days. | |
| Shipping Rates | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Options | We offer express and standard delivery services. | ||
| Shipping Tracking | We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature. | ||
| Returning/Warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping | |
| Warranty | All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects. | ||
| This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation | |||
| Ordering | How to Buy | Elecbee accepts online orders. | |
| Add to cart > Check out > Submit order > Complete payment > Delivery | |||
| Payment | PayPal, Credit Card includes Visa, Master, American Express, Bank transfer. | ||