Electronics › Smartwatches & smart devices
Y-1/2/3Pcs MCP23017 I2C IIC I/O Expansion Board Module 16bit GPIO Extender Breakout Pin Board For Arduino DIY
Quick answer
Is $3.95 a good price for Y-1/2/3Pcs MCP23017 I2C IIC I/O Expansion Board Module 16bit GPIO…?
It is the usual price, not a deal: $3.95 is in line with the typical price of $3.95 that DipScout measured over the last 14 days. Tracked since Oct 22, 2026, it ranged from $3.75 to $4.15.
$3.95
Today it costs $3.95 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $3.75 to $4.15. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 14 days. The store advertises "was $8.23", 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
Last reading$3.95on Nov 9
Lowest$3.75Nov 2 to Nov 3
Highest$4.15Oct 23 to Nov 2
Tracked since Oct 22 · 4 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 5, 21:02 UTC | $3.95 | +4% |
| Nov 3, 13:14 UTC | $3.79 | +1% |
| Nov 2, 09:03 UTC | $3.75 | −10% |
| Oct 23, 15:05 UTC | $4.15 | +0.7% |
| Oct 22, 15:35 UTC | $4.12 | start |
| Store | Your Grocery Store |
|---|---|
| Positive feedback (AliExpress) | 100% |
| AliExpress category | Consumer Electronics › Smart Electronics |
| Sold | 18 |
| Recorded readings | 5 |
| 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.
| Your Grocery Store | $3.95 · 18 sold |
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