MCP23017-E/SS IIC I2C SPI MCP23S17 Bidirectional 16-Bit I/O Expander Pins 10Mhz For Arduino Serial Interface Module MCP23017
Quick answer
Is $2.77 a good price for MCP23017-E/SS IIC I2C SPI MCP23S17 Bidirectional 16-Bit I/O Expander…?
Too early to tell: DipScout has tracked this price for 1 day, and comparing it with a typical price takes at least 7 days. Tracked since Nov 1, 2026, the price hasn't changed.
$2.77
Today it costs $2.77 on AliExpress. Since Nov 1, 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 1 day; confirming a drop takes at least 7 days. The store advertises "was $2.98", 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
Today$2.77steady
The price hasn't changed once since Nov 1, when we started tracking it.
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| Store | ZC Technology Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | |
| Last reading |
Also sold by 1 other store
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| ZC Technology Store | $2.77 · 29 sold |
|---|