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PC817 2/4/8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
Quick answer
Is $1.40 a good price for PC817 2/4/8 Channel Optocoupler Isolation Board Voltage Converter…?
Too early to tell: DipScout has tracked this price for 2 days, and comparing it with a typical price takes at least 7 days. Tracked since Nov 9, 2026, the price hasn't changed.
$1.40
Today it costs $1.40 on AliExpress. Since Nov 9, 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 2 days; confirming a drop takes at least 7 days. The store advertises "was $4.12", 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
$1.40
We started tracking this price on Nov 9. The chart takes shape over the days: we only draw prices we observed.
| Store | TENSTAR ROBOT Store |
|---|---|
| Positive feedback (AliExpress) | 97.3% |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | |
| Last reading |
Also sold by 5 other stores
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| TENSTAR ROBOT Store · Ships from US | $1.40 · 1130 sold |
|---|---|
| YX Electronic Components Store · Ships from US | $1.48 · 71 sold |
| Realpoy Electronic Components Wholesale Store · Ships from US | $1.65 · 609 sold |
| Realpoy Electronic Components Wholesale Store | $1.65 · 593 sold |
| Oriental Green Forest Store | $2.20 · 67 sold |