MCP23017 I/O Expansion Module I2C Interface Compatible With Raspberry Pi/Micro:bit/STM32/Arduino
Quick answer
Is $9.79 a good price for MCP23017 I/O Expansion Module I2C Interface Compatible With…?
It is the usual price, not a deal: $9.79 is in line with the typical price of $9.79 that DipScout measured over the last 4 days. Tracked since Oct 23, 2026, the price hasn't changed.
$9.79
Today it costs $9.79 on AliExpress. Since Oct 23, 2026, when we started tracking it, the price hasn't changed. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 4 days. The store advertises "was $15.79", 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
$9.79
We started tracking this price on Oct 23. The chart takes shape over the days: we only draw prices we observed.
| Store | Yuvasyn Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/23/2026 |
| Last reading | 10/24/2026, 12:07:22 AM UTC |