Pololu High-Power Motor Driver 18v15 vs Jrk 21v3 USB Motor Controller with Feedback (Connectors Soldered)
Pololu High-Power Motor Driver 18v15 and Jrk 21v3 USB Motor Controller with Feedback (Connectors Soldered) are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Pololu High-Power Motor Driver 18v15 is €15.96 cheaper ($58.53).
| Criterion |  Pololu High-Power Motor Driver 18v15 |  Jrk 21v3 USB Motor Controller with Feedback (Connectors Soldered) |
|---|---|---|
| Price | $58.53cheapest | $76.95 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Frequency max. | 40 000 Hz | 20 000 Hz |
| Voltage max. | 30 V | 28 V |
| Voltage min. | 5.5 V | 5 V |
| Weight | 2.8 g | 6.52 g |
| Continuous output current per channel | 15 A | 3 A |
| Control interface | — | USB; non-inverted TTL serial;<br/> RC servo pulses; analog voltage |
| Current sense | — | 0.5 V/A |
| Maximum logic voltage | 5.5 V | 5 V |
| Minimum logic voltage | — | 4 V |
| Mosfet on resistance max per leg | 3.5 mΩ | — |
| Motor channels | 1 | 1 |
| Motor driver | — | MC33926 |
| Partial kit | — | No |
| Peak output current per channel | — | 5 A |
| Reverse voltage protection | No | Yes |
| Size | 1.3" x 0.8" | 1.35" x 1.35" x 0.5" |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
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