Tinker Tailor
MCP23017 16-Bit I/O Expander Module (I2C)
MCP23017 16-Bit I/O Expander Module (I2C)
Prix habituel
$5.95 CAD
Prix habituel
Prix promotionnel
$5.95 CAD
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Canadian-owned and packed by hand in Nova Scotia, so there's no cross-border duty or brokerage. Shipping rates
Add 16 extra GPIO pins to your ESP32 or any microcontroller using just two I2C wires. The MCP23017 converts 16-bit parallel I/O to I2C serial, with two programmable interrupt outputs and a polarity inversion register, which makes it ideal for button matrices, touch inputs, LED control and other pin-hungry wearable builds.
Warning: may produce weird and wonderful projects. Try the Maker-O-Matic 3000.
Ships next business day from Nova Scotia · 30-day returns · Questions? cmoz@tinkertailor.ca
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Details
Specs
- Chip: MCP23017, 16-bit bidirectional I/O
- Interface: I2C, up to 1.7MHz
- Operating voltage: 1.8V to 5.5V
- Operating temperature: -40C to 85C
- Address pins A0, A1, A2 (up to 8 modules on one bus)
- Two interrupt outputs (INTA, INTB) and reset pin
- Internal power-on reset
