Honeywell Hall-effect Linear Sensor ICs: SS490 Series, Miniature ratiometric linear Hall-effect sensor IC, 5 mV/G at 5 V, Flat TO-92 package, Straight leads 14,99 mm [0.59 in] long, Available in 5000 units per tape-in-box (ammopack) version packaging
一个简短问题——不到 10 秒即可完成。