ESP32-C3 OLED development board with 0.42 inch OLED module ceramic antenna wifi Bluetooth ESP32 supermini development board
Quick answer
Is $4.09 a good price for ESP32-C3 OLED development board with 0.42 inch OLED module ceramic…?
It is the usual price, not a deal: $4.09 is in line with the typical price of $4.25 that DipScout measured over the last 4 days. It is the lowest in 4 days, but it has held this price since Oct 26, 2026.
$4.09
Today it costs $4.09 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $4.09 to $4.25. It's the lowest price in 4 days, but it has been at this value since Oct 26, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 4 days. The store advertises "was $8.19", 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$4.09lowest ever seen
Lowest$4.09since Oct 26
Highest$4.25Oct 22 to Oct 26
Tracked since Oct 22 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 26, 07:56 UTC | $4.09 | −4% |
| Oct 22, 20:28 UTC | $4.25 | start |
| Store | Estardyn Flagship Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Optoelectronic Displays |
| Recorded readings | 2 |
| First seen | 10/22/2026 |
| Last reading | 10/26/2026, 9:09:06 AM UTC |
Also sold by 3 other stores
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| Estardyn Flagship Store · Ships from US | $4.09 · 78 sold |
|---|---|
| Win SuperDeals Store · Ships from US | $4.39 · 1685 sold |
| Win SuperDeals Store | $4.39 · 1685 sold |