{"product_id":"6pcs-pcf8574t-i2c-io-expander-module-for-arduino-blue-pcb","title":"6pcs PCF8574T I2C I\/O Expander Module for Arduino, Blue PCB","description":"\u003cul\u003e\n\u003cli\u003e【High-Performance I2C I\/O Expander】 8-bit quasi-bidirectional I\/O ports; 100kHz I2C communication speed; 2.5V to 6V operating voltage; compatible with for for Arduino and STM32 platforms\u003c\/li\u003e\n\u003cli\u003e【Reliable Reliability】 Wide temperature range -40°C to +85°C; low standby current ≤2.5µA; robust anti-interference design for stable operation in complex Settings\u003c\/li\u003e\n\u003cli\u003e【Easy Cascading Expansion】 Supports up to 8 modules cascaded for 64 I\/O channels; 3-bit hardware address configuration; simple DIP switch setup for quick deployment\u003c\/li\u003e\n\u003cli\u003e【Low Power Consumption】 Working current ≤40µA; 2000mAh battery life in sleep mode; suitable for energy-efficient embedded systems and IoT applications\u003c\/li\u003e\n\u003cli\u003e【Comprehensive Protection Features】 Integrated overcurrent and thermal shutdown protection; supports resistive and inductive load driving with external components; clear documentation for easy integration\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFrom the brand MusRock - Hardware Made Simple One-stop shop MusRock is a larger manufacturer and retailer of specialised electronic components. Products cover Arduino expansion boards, power modules, IR modules, relay modules, boost\/buck modules, breadboards, sensors, LEDs, LCDs, diodes, transistors, Dupont wires, crystals, switches, heatsinks, motors, as well as expansion boards for Arduino, Raspberry Pi and other platforms.One-stop shop for many small parts. MusRock Hardware Made Simple, Innovation Freedom Ten years of focus on electronic modularity Engineer's preferred module brand Relay Module\u003c\/p\u003e\u003cp\u003eProduct description Product Parameters Model PCF8574T I2C Expansion Module Core Chip NXP PCF8574T ( Reliable, -40℃~+85℃) Input Voltage 2.5V–6V DC (3.3V\/5V Compatible) I\/O Ports 8 Quasi-Bidirectional (P0–P7) Communication I2C Bus (100kHz), 3-bit Address (A0\/A1\/A2) Interrupt Output Open-Drain INT (Active Low) Drive Capability 25mA\/Port, 80mA Total Power Consumption \u0026lt;40µA (Working), \u0026lt;2.5µA (Standby) Size 37.5×16.7mm, DIP Switch Address Config Key Features PCF8574T I2C Expansion Module – 8-bit I\/O Expander, 2.5V-6V DC, 64 I\/O via Cascading Supports for Arduino \/STM32, Suitable for Industrial Control, LED Matrix, Smart Home Low Power, Wide Voltage, Easy to Cascade (Up to 8 Modules) Includes Interrupt Function, Anti-Interference Design, Load Protection FAQ Q1: No I2C Response? Check Address \u0026amp; Pull-Up Resistors (4.7kΩ). Q2: Can’t Drive LED\/Relay? Use External Pull-Up (1k–10kΩ), Add Transistor for Relay. Q3: INT Not Working? Set P0–P7 High Before Reading. Q4: Address Conflict? Configure A0\/A1\/A2 Individually. Q5: Overheat? Limit Current (\u0026lt;25mA\/Port), Add TVS for Inductive Loads.\u003c\/p\u003e","brand":"MusRock","offers":[{"title":"Default Title","offer_id":45424965746735,"sku":"B0FTFSTZRX","price":19.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/3498\/9615\/files\/711znxzEw3L._AC_SL1500.jpg?v=1780613509","url":"https:\/\/www.coziecorners.com\/products\/6pcs-pcf8574t-i2c-io-expander-module-for-arduino-blue-pcb","provider":"CozieCorners","version":"1.0","type":"link"}