RM3100 Three-Axis Magnetometer Module, with Good Anti Magnetic Interference Capability, Supports IIC and SPI Communication
Quick answer
Is $21.75 a good price for RM3100 Three-Axis Magnetometer Module, with Good Anti Magnetic…?
It is the usual price, not a deal: $21.75 is in line with the typical price of $21.75 that DipScout measured over the last 6 days. Tracked since Oct 21, 2026, it ranged from $21.69 to $21.75.
$21.75
Today it costs $21.75 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $21.69 to $21.75. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 6 days. The store advertises "was $23.14", 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
Last reading$21.75on Oct 24
Lowest$21.69on Oct 21
Highest$21.75Oct 23 to Oct 24
Tracked since Oct 21 · 2 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 23, 06:44 UTC | $21.75 | +0.1% |
| Oct 21, 06:48 UTC | $21.72 | +0.1% |
| Oct 21, 02:50 UTC | $21.69 | start |
| Store | Shenzhen Module Studio Co., Ltd Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 3 |
| First seen | 10/21/2026 |
| Last reading | 10/24/2026, 1:02:33 AM UTC |