Comparison page

A4988 vs ETA3406

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

A4988

Projects needing Stepper and 3D printer with a commonly available power part.

ETA3406

Projects needing Buck and Low cost with a commonly available power part.

Specification Matrix

DimensionA4988ETA3406
CategoryPowerPower
MakerAllegro MicroSystemsETA Solutions
CoreNot specifiedNot specified
ClockNot specifiedNot specified
WirelessNot specifiedNot specified
Voltage3.3V3.3V
LibrariesArduinoNeeds verification
Price$1.00 - $4.00$0.10 - $0.60

Known Tradeoffs

A4988

  • Breakout boards may use different pin labels or regulator choices
  • Clone modules can differ from the original datasheet part

ETA3406

  • Breakout boards may use different pin labels or regulator choices
  • Clone modules can differ from the original datasheet part

Open Individual Model Pages