PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
Quick answer
Is $1.74 a good price for PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter…?
It is the usual price, not a deal: $1.74 is in line with the typical price of $1.74 that DipScout measured over the last 4 days. Tracked since Oct 23, 2026, the price hasn't changed.
$1.74
Today it costs $1.74 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.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$1.74
We started tracking this price on Oct 23. The chart takes shape over the days: we only draw prices we observed.
| Store | Realpoy Electronic Components Wholesale Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/23/2026 |
| Last reading | 10/23/2026, 8:05:29 PM UTC |
Also sold by 2 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 | $1.44 · 1163 sold |
|---|---|
| Realpoy Electronic Components Wholesale Store · Ships from US | $1.74 · 555 sold |