Computers › Electronic components
4-32CH 10A 20A DC 12V 24V RS485 Bus Relay Module DIP Setup Parameters Modbus RTU Serial Port UART Switch Board HMI PLC
Quick answer
Is $21.69 a good price for 4-32CH 10A 20A DC 12V 24V RS485 Bus Relay Module DIP Setup…?
Too early to tell: DipScout has tracked this price for 1 day, and comparing it with a typical price takes at least 7 days. Tracked since Nov 4, 2026, it ranged from $21.65 to $21.69.
$21.69
Today it costs $21.69 on AliExpress. Since Nov 4, 2026, when we started tracking it, it ranged from $21.65 to $21.69. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 7 days. The store advertises "was $23.01", 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$21.69highest ever seen
Lowest$21.65Nov 4 to Nov 5
Highest$21.69since Nov 5
Tracked since Nov 4 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 5, 06:42 UTC | $21.69 | +0.2% |
| Nov 4, 12:41 UTC | $21.65 | start |
| Store | Shop1104001139 Store |
|---|---|
| Positive feedback (AliExpress) | 98.8% |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 2 |
| First seen | |
| Last reading |