Description
The L293D Motor Driver Board for ESP8266 WiFi NodeMcu Lua ESP12E is compatible with the ESP12E Dev Kit and NodeMCU. This shield board is driven by the powerful full-bridge chip L293DD, which can directly drive 2-channel DC motors or a 1-channel stepper motor.
In this motor shield board, the IO port of the ESP-12E Dev Kit is used as the control port. The logic circuit configured inside handles internal IC driving requirements. Thus, the shield board maps control to key ports: D1, D2, D3, and D4, which function as PWMA (Motor A speed), PWMB (Motor B speed), DA (Motor A direction), and DB (Motor B direction), respectively. In addition, this shield board breaks out numerous auxiliary pins—such as VIN, 3.3V, DIO, AIO, SDIO, UART, SPI, RST, and EN—allowing you to conveniently connect all kinds of sensors (e.g., temperature and humidity, buzzers, light sensors, relays, etc.) for IoT applications.
Key Features
- ESP-12E / NodeMCU Dedicated Layout: Expansion module engineered specifically for ESP12 DEV KIT development boards.
- Full Pin Breakout: Exposes all essential ESP12 pin features including SPI, UART, GPIO, Analog Inputs (AI), and a 3.3V power connector.
- Dual Motor Driving Capability: Extends two-way direct-drive motor capacity for sophisticated robotic movement.
- Isolated Power Architecture: Features separate motor power supply and control power lines to protect sensitive logic circuitry.
- Onboard Power Switch: Convenient integrated power toggle switch for quick system shutdown during debugging.
Benefits
- IoT-Ready Robotics: Combines wireless WiFi connectivity with heavy motor driving capabilities in a single stackable shield.
- Clutter-Free Wiring: Eliminates messy jumper wires by mounting directly onto NodeMCU development boards while retaining sensor headers.
- Thermal & Electrical Stability: Wide operating temperature range (-25℃ to +125℃) ensures reliable field deployment in automated environments.
Applications
- WiFi-Controlled Robotic Rovers: Wireless mobile platforms and obstacle-avoiding rovers driven remotely via ESP8266 web servers or MQTT protocols.
- Smart Home Automated Curtains & Blinds: IoT-enabled motorized window shades and sliding blinds controlled remotely over local networks.
- Wireless Surveillance Pan-Tilt Gimbals: Remote-operated dual-motor camera orientation platforms and sensor positioning arrays.
- Automated IoT Conveyor & Sorting Modules: Smart material handling belts with wireless status reporting and start-stop speed triggers.
- Remote Sensor & Actuator Test Rigs: Compact industrial prototyping boards combining environmental sensors with localized motor control actions.
Package Includes
- 1 x L293D Motor Driver Board for ESP8266 WiFi NodeMcu Lua ESP12E
Specifications
| Parameter | Specification |
|---|---|
| Item Type / Series | WiFi Motor Driver Shield / Expansion Module |
| Compatible Board | ESP-12E Dev Kit / NodeMCU Lua (ESP8266) |
| Driver IC Model | L293DD Dual Full-H-Bridge Driver |
| Motor Power Supply Range (VM) | 4.5V to 36V DC |
| Control Logic Voltage Range | 4.5V to 9V DC (10V Max) |
| Logical Operating Current | ≤ 60 mA |
| Drive Output Current | ≤ 1.2 A per channel |
| Max Output Power | 4 W |
| Operating Temperature Range | -25 ℃ to +125 ℃ |
| Physical Dimensions (L x W x H) | 60 × 45 × 13 mm | Net Weight: ~20g |
| Shipping Dimensions & Weight | 12 × 8 × 2 cm | Shipping Weight: 0.022 kg |
