Making It Simple
EXPAND click

EXPAND click

EXPAND Click is an accessory board in mikroBus form factor. It includes a 16-bit I/O expander MCP23S17 with SPI clock speeds up to 10 MHz for higher throughput applications. Three HARDWARE ADDRESS SEL jumpers allow you to configure board address and connect up to eight devices on the bus. Controller also supports interrupt-on-change feature. Board is set to use 3.3V power supply by default. Solder PWR SEL SMD jumper to 5V position if used with 5V systems.

Technical Specifications

Applications

Board is ideal for saving microcontroller pins, and expanding the number of input-output lines.

Key features

  • MCP23S17 with SPI clock speeds up to 10 MHz.
  • 16 GPIO pins divided into two 8-bit PORTs.
  • +3.3V and 5V adjustable power supply selection.
  • Selectable hardware address using SMD jumpers
mikroBUS Supported

mikroBUS™ is specially designed pinout standard with SPI, I2C, Analog, UART, Interrupt, PWM, Reset and Power supply pins.

Key Benefits

  • mikroBUS™ form factor enables easy integration.
  • Supported in all mikroElektronika compilers.
  • Ready-to-use examples save development time
  • Port Expander board at a popular price.
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Shipping Information

DHL Express: $25.00 USD for up to 5 Kgs, usually arrives in 2-4 business days.*

Post Office: $25.00 USD, no weight limit, usually arrives in 7-12 business days.

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EXPAND click

$12.00 USD

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