MAX471 GY-471 3A Current Sensor Module

Name: MAX471 GY-471 3A Current Sensor Module
Brand: Official Hobby Components Online Store | Buy Electronic Kits, Components, Boards, Shields, Modules
SKU: SKU-12dd8cfd3014
Price: 1.1 USD
Availability: InStock
Rating: 5.0 (5 reviews)

MAX471 GY-471 3A Current Sensor Module - Main image

$1.1 ~~$1.66~~ In stock

Category: Sensors

The MAX471 module (HCSENS0041) is a complete, bidirectional, highside current-sense amplifier for portable PCs, telephones, and other systems where battery/DC power-line monitoring is critical. High-side power-line monitoring is especially useful in battery-powered systems, since...

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Customer Reviews (5.0 / 5 · 5 reviews)

Violet ★★★★★ Oct 20, 2026

Needed to track current draw on a small solar-powered project, and this module picked up even tiny fluctuations that my multimeter missed. The 3-amp range is perfect for most portable gadgets I'm testing, and the bidirectional sensing saved me time troubleshooting a reversed connection. It's been su

Matthew ★★★★★ Oct 19, 2026

I’ve been monitoring battery drain in a small portable project, and the bidirectional sensing on this module is a real timesaver—it reads charge and discharge without rewiring. The highside design means I don’t have to mess with ground paths, which made setup a breeze.

Abigail ★★★★★ Oct 18, 2026

Used it to keep tabs on the current draw of a small robot project, and the bidirectional sensing is spot on — I can see both charging and discharging without flipping any wires. The high-side design makes wiring a breeze. Took me five minutes to get accurate readings, which is more than I can say fo