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L9110 Dual Motor Driver

L9110 Dual‑Channel H‑Bridge Motor Driver Module

Compact yet powerful, the L9110 dual motor driver module enables you to control two DC motors or a 4-wire stepper motor effortlessly. Ideal for Arduino, Raspberry Pi, and similar boards, it’s perfect for robotics, smart toys, and small automation systems.

🔧 Key Features & Specifications

SpecificationDetails
Voltage Supply (VCC)2.5 V – 12 V (works with both 3.3 V and 5 V microcontrollers) m.youtube.com+13elecrow.com+13openimpulse.com+13
Continuous Load Current750 mA – 800 mA per channel, peak 1.5–2 A
Low Quiescent Current~2 µA (no-load draw)
Saturation Voltage~0.2–0.5 V depending on load
Logic Input LevelsTTL / CMOS compatible (V_IN low ≤ 0.25 × VCC, high ≥ 0.7 × VCC)
Protection FeaturesBuilt-in clamp diodes for inductive back-EMF protection
Operating Temp0 °C – 80 °C
Package TypeDIP8 or SOP8 IC with breakout module ~31 × 22 × 12 mm

🛠 Arduino Wiring Guide

Connections:

  • VCC → Motor supply (2.5–12 V)

  • GND → Common ground with Arduino

  • A-IA / A-IB, B-IA / B-IB → Arduino digital & PWM pins (e.g., D3–D6)

  • OA/OB and OA'/OB' → Connect to motor terminals

Sample Arduino Code:

cpp
CopyEdit
const int A1 = 3, A2 = 4, B1 = 5, B2 = 6;
byte speed = 200;

void setup() {
  pinMode(A1, OUTPUT); pinMode(A2, OUTPUT);
  pinMode(B1, OUTPUT); pinMode(B2, OUTPUT);
}

void loop() {
  // Forward
  analogWrite(A1, speed); digitalWrite(A2, LOW);
  analogWrite(B1, speed); digitalWrite(B2, LOW);
  delay(2000);
  // Reverse
  analogWrite(A1, LOW); digitalWrite(A2, speed);
  analogWrite(B1, LOW); digitalWrite(B2, speed);
  delay(2000);
}

Based on examples from LaskaKit and SunFounder media.digikey.com+10laskakit.cz+10docs.sunfounder.com+10forum.arduino.cc+1youtube.com+1

📱 Control via Wireless App

Use HC-05 Bluetooth or ESP8266/ESP32 Wi‑Fi modules to connect with Arduino and build a mobile control interface using MIT App Inventor or Blynk. Great for robot cars, IoT projects, and remote-controlled devices.

▶️ Video Tutorial

Learn how to wire and code the L9110 module into your Arduino via this step-by-step YouTube guide: https://youtu.be/-g6Q9lSHDzg


📄 Official Datasheet

Download the full L9110 / L9110S IC datasheet for detailed specifications, pin diagrams, and electrical characteristics:

[L9110 Datasheet PDF]

50.00 LE 50.00 LE

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DC Motor Driver