Expander Breakout SX1509 16 Output I/O
The SX1509 16 Output I/O Expander Breakout Module is a compact GPIO expansion board designed to increase the input/output capabilities of microcontrollers using only 2 communication wires through the I2C interface. Based on the SX1509 chipset, it supports up to 16 programmable GPIO pins with PWM and digital I/O functionality. Operating at low voltage with minimal power consumption, this module is ideal for Arduino, embedded systems, robotics, and automation projects requiring additional controllable outputs.
وحدة SX1509 16 Output I/O Expander Breakout هي لوحة توسعة GPIO مدمجة مصممة لزيادة عدد منافذ الإدخال والإخراج للمتحكمات الدقيقة باستخدام سلكين فقط عبر واجهة I2C. تعتمد على شريحة SX1509 وتدعم حتى 16 منفذ GPIO قابل للبرمجة مع دعم PWM والإدخال/الإخراج الرقمي. تعمل بجهد منخفض واستهلاك طاقة قليل، مما يجعلها مناسبة لمشاريع Arduino والأنظمة المدمجة والروبوتات والأتمتة الإلكترونية.
The SX1509 16 Output I/O Expander Breakout Module is an efficient GPIO expansion solution that allows microcontrollers to control up to 16 additional input/output pins using a simple I2C communication interface. This module is ideal for projects where the available GPIO pins on the microcontroller are limited.
Powered by the SX1509 chipset, the module supports both PWM outputs and standard digital input/output functions on all available pins. Communication with the module requires only two wires, simplifying integration and reducing wiring complexity.
The board operates within a voltage range of 1.425V to 3.6V DC and features very low current consumption, making it suitable for low-power and battery-operated applications. Separate voltage banks allow flexible power configurations for different GPIO groups.
Its compact 30×30mm PCB design makes it easy to integrate into embedded systems, robotics, smart devices, and automation projects.
Specifications
- Product Type: I/O Expander Breakout Module
- Model: CJMCU-SX1509
- Chipset: SX1509
- GPIO Support: Up to 16 I/O pins
- Communication Protocol: I2C
- Input Voltage: 1.425V – 3.6V DC
- Logic Input Voltage: 0.8V – 5.5V DC
- Maximum Operating Current: 460uA
- Board Dimensions: 30 × 30 mm
- Weight: 2g
Voltage Bank Information
- Bank A (0–7): Powered by VCC1
- Bank B (8–15): Powered by VCC2
- External voltage support available after cutting onboard jumpers
Applications
- GPIO expansion for microcontrollers
- Arduino and embedded systems
- Robotics projects
- LED control systems
- PWM output applications
- Home automation systems
- Sensor expansion projects
- Industrial control systems
- Smart electronics development