1/2/3Pcs MCP23017 I2C IIC I/O Expansion Board Module 16bit GPIO Extender Breakout Pin Board For Arduino DIY
Quick answer
Is $4.36 a good price for 1/2/3Pcs MCP23017 I2C IIC I/O Expansion Board Module 16bit GPIO…?
No: at $4.36 it is 5% above the typical price of $4.15 that DipScout measured over the last 9 days. The lowest price we recorded since Oct 22, 2026 was $4.15.
$4.36
Today it costs $4.36 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $4.15 to $4.36. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 9 days. The store advertises "was $8.71", 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$4.36highest ever seen
Lowest$4.15Oct 22 to Oct 29
Highest$4.36since Oct 31
Tracked since Oct 22 · 2 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 31, 20:10 UTC | $4.36 | +4% |
| Oct 29, 05:19 UTC | $4.19 | +1.0% |
| Oct 22, 20:16 UTC | $4.15 | start |
| Store | Ali-TG104 Consumer Electronics Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Consumer Electronics › Smart Electronics |
| Recorded readings | 3 |
| 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.
| Ali-TG104 Consumer Electronics Store · Ships from US | $4.19 · 29 sold |
|---|