The RNSbot D1-WiFi-R3 Development Board is a high-performance, user-friendly IoT development platform designed for makers, hobbyists, and engineers. Equipped with the onboard ESP-12F ESP8266 Wi-Fi module, this board allows seamless integration of wireless connectivity into microcontroller projects. It is specifically optimized for IoT programming, embedded applications, and learning projects, making it ideal for both beginners and experienced developers.

The D1-WiFi-R3 offers easy-to-use interfaces, reliable Wi-Fi communication, and full compatibility with Arduino IDE, allowing users to quickly prototype and deploy IoT solutions, smart home projects, and networked embedded systems. Its compact design and versatile features make it suitable for home automation, sensor networks, robotics, and data logging applications.

Key Features

• Onboard ESP-12F ESP8266 Wi-Fi Module: Provides robust and reliable 2.4GHz Wi-Fi connectivity for IoT applications.

• Arduino IDE Compatible: Fully supports Arduino programming, enabling fast coding, testing, and deployment.

• High-Performance Microcontroller: Integrates a 32-bit microcontroller for efficient computation and multitasking.

• Multiple GPIO Ports: Offers flexible digital and analog input/output pins for sensors, relays, and actuators.

• 5V/3.3V Logic Level Compatible: Ensures seamless interfacing with various modules and sensors.

• USB Programming Interface: Simple plug-and-play USB connection for easy uploading of sketches and firmware.

• Compact & Lightweight Design: Ideal for embedded projects, portable devices, and educational kits.

• Learning and Prototyping Friendly: Perfect for students, makers, and IoT enthusiasts to experiment and learn embedded programming.

• Reliable Power Management: Supports stable voltage input and low power consumption for long-term operation.

• Wide Range of Applications: Suitable for smart devices, home automation, robotics, environmental monitoring, and IoT prototyping.

Applications

The RNSbot D1-WiFi-R3 Development Board is ideal for a variety of IoT, embedded, and learning projects:

• IoT Development & Prototyping: Quickly integrate Wi-Fi capabilities into custom IoT solutions.

• Smart Home Projects: Control lights, appliances, sensors, and security devices remotely.

• Robotics & Automation: Build Wi-Fi-controlled robots, actuators, or automated systems.

• Environmental Monitoring: Collect data from sensors and transmit via Wi-Fi for analysis or alerts.

• Educational & Learning Kits: Introduce students to microcontroller programming, networking, and IoT concepts.

• Sensor Networks: Monitor temperature, humidity, motion, or other environmental data in real time.

• Data Logging & Cloud Applications: Send sensor data to cloud platforms or web applications for storage and visualization.

Technical Specifications

• Model: D1-WiFi-R3

• Brand: RNSbot

• Wi-Fi Module: ESP-12F ESP8266

• Microcontroller: 32-bit MCU (compatible with ESP8266 core)

• Operating Voltage: 5V input, 3.3V logic level

• Digital I/O Pins: Multiple GPIOs with PWM support

• Analog Input: 1 × ADC input (0–3.3V)

• Communication Interface: USB (programming and power), UART, SPI, I2C

• Programming Environment: Arduino IDE compatible

• Wi-Fi Frequency: 2.4GHz IEEE 802.11 b/g/n

• Power Supply: 5V via USB or external power

• Operating Temperature: -40°C to +85°C

• Dimensions: Compact, PCB form factor suitable for embedded projects

• Mounting: PCB-mountable, breadboard compatible

• Special Features: Onboard Wi-Fi antenna, stable power management, learning-friendly pinout

The RNSbot D1-WiFi-R3 Development Board stands out as a versatile, high-performance, and beginner-friendly IoT platform. Its ESP-12F ESP8266 module provides reliable Wi-Fi connectivity, while full Arduino IDE support ensures fast and easy programming. The board is perfect for IoT enthusiasts, students, and professional developers looking to build connected devices, smart systems, and prototypes.

Unlike traditional microcontroller boards, the D1-WiFi-R3 offers a compact design, multiple GPIOs, stable power, and plug-and-play Wi-Fi, making it ideal for both learning and real-world applications. Whether you are developing a home automation system, environmental sensor network, or robotic project, this board provides all the essential features in one affordable, reliable, and powerful module.