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The MCP23017 is a 16-bit I2C GPIO Expander that adds up to 16 extra digital input/output pins to Arduino, ESP32, ESP8266, STM32, Raspberry Pi, and other microcontrollers. Featuring configurable GPIO pins, interrupt support, and internal pull-up resistors, it is ideal for GPIO expansion, keypad interfaces, relay control, robotics, and embedded projects.

The 1.53-inch Round TFT LCD Display features a crisp 360×360 resolution, ST77916 driver IC, and high-speed QSPI interface for smooth graphics performance. Its circular design and vibrant full-color display make it ideal for smart watches, IoT dashboards, ESP32-S3 projects, wearable devices, and embedded GUI applications.

ESP32-C5-WROOM-1U-N8R8 is a powerful next-generation Wi-Fi 6 and Bluetooth 5 LE wireless module from Espressif, featuring an ESP32-C5 RISC-V processor, 8MB Flash, 8MB PSRAM, dual-band 2.4GHz & 5GHz Wi-Fi 6, Zigbee, and Thread support. The U variant includes an external antenna connector (IPEX/U.FL) for extended wireless range, making it ideal for IoT gateways, smart home devices, industrial automation, and advanced wireless applications.

The WeAct Studio 4.2" E-Paper Display Module features a 400×300 resolution E-Ink panel with ultra-low power consumption and excellent sunlight readability. Available in Black & White (BW) and Black, White & Red (BWR) versions, it is ideal for ESP32, Arduino, STM32, Raspberry Pi, weather stations, smart labels, clocks, and battery-powered IoT projects.

SSD1331 0.95" Full Color OLED Display Module is a compact 96×64 RGB OLED display featuring the SSD1331 driver IC. It delivers vibrant 65K colors, excellent contrast, and wide viewing angles over a high-speed SPI interface. Perfect for Arduino, ESP32, STM32, Raspberry Pi, and other embedded projects requiring colorful graphics in a small form factor.

WT32-ETH01 ESP32 Ethernet Development Board is a powerful ESP32-based development board featuring an onboard LAN8720 Ethernet PHY with RJ45 10/100Mbps connectivity, along with built-in 2.4GHz Wi-Fi and Bluetooth 4.2 (BLE). It is ideal for industrial IoT, Home Assistant, Modbus TCP, MQTT, web servers, automation systems, and network-enabled embedded applications requiring stable wired networking.