ดิจิตอลโวลต์มิเตอร์ 0-99.9 โวลต์ มีแบบทศนิยม2ตำแห่งไหมครับ รูปตัวอย่างที่ดูในเวบมันไม่บอกอะครับ
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http://www.arduinoall.com/product/600/%E0%B8%94%E0%B8%B4%E0%B8%88%E0%B8%B4%E0%B8%95%E0%B8%AD%E0%B8%A5-%E0%B9%82%E0%B8%A7%E0%B8%A5%E0%B8%95%E0%B9%8C%E0%B8%A1%E0%B8%B4%E0%B9%80%E0%B8%95%E0%B8%AD%E0%B8%A3%E0%B9%8C-0-%E0%B8%96%E0%B8%B6%E0%B8%87100-%E0%B9%82%E0%B8%A7%E0%B8%A5%E0%B8%95%E0%B9%8C-%E0%B8%88%E0%B8%AD%E0%B8%82%E0%B8%99%E0%B8%B2%E0%B8%94-0-36quot-%E0%B8%AA%E0%B8%B5%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%87-mini-3-digital-0-36aposapos-led-dc-0-%E0%B8%96%E0%B8%B6%E0%B8%87-100-v-yellow-volt-voltage-meter-voltmeter-3-28v-power-supply
ใน2ตัวนี้อันไหนสามารถบอกทศนิยม2ตำแหน่งเมื่อไม่ถึง 10 โวลมั่ง