MCP23017 I2C GPIO Expander Module 16-Bit Serial Interface I/O Extension for Arduino Raspberry Pi Microcontrollers
Quick answer
Is $2.19 a good price for MCP23017 I2C GPIO Expander Module 16-Bit Serial Interface I/O…?
Too early to tell: DipScout has tracked this price for less than a day, and comparing it with a typical price takes at least 7 days. Tracked since Nov 3, 2026, the price hasn't changed.
$2.19
Today it costs $2.19 on AliExpress. Since Nov 3, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for less than a day; confirming a drop takes at least 7 days. The store advertises "was $2.77", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$2.19
We started tracking this price on Nov 3. The chart takes shape over the days: we only draw prices we observed.
| Store | IC components Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Home Improvement › Family Intelligence System |
| Recorded readings | 1 |
| First seen | |
| Last reading |