Waveshare Industrial Modbus RTU 8-ch Relay Module (D) With Digital Input and RS485, Modbus RTU Protocol, 7~36V Power Supply
Quick answer
Is $39.39 a good price for Waveshare Industrial Modbus RTU 8-ch Relay Module (D) With Digital…?
It is the usual price, not a deal: $39.39 is in line with the typical price of $39.39 that DipScout measured over the last 4 days. Tracked since Oct 23, 2026, the price hasn't changed.
$39.39
Today it costs $39.39 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. The store advertises "was $43.77", 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$39.39steady
The price hasn't changed once since Oct 23, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | Development Board Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Computer & Office › Computer Components |
| Recorded readings | 1 |
| First seen | 10/23/2026 |
| Last reading | 10/27/2026, 7:07:59 AM UTC |
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.
| Development Board Store · Ships from US | $39.39 · 44 sold |
|---|