ماژول 24 بیت لودسل HX711 LOAD CELL
ماژول راه اندازی سنسورهای لودسل و تبدیل خروجی آنالوگ لودسل به دیجیتال با دقت 24 بیت و پشتیبانی از ارتباط I2C برای ارتباط با انواع میکروکنترلرها
معرفی
یکی از پر کاربرد ترین سنسور ها در صنعت لودسل می باشد.متاسفانه راه اندازی و درایو نمودن لودسل به دلیل تغییرات بسیار جزئی ولتاژ خروجی و نویز پذیری زیاد همیشه کاری دشوار و حساس بوده است. شما می توانید بوسیله این ماژول و بدون نیاز به هیچ تنظیمات و دردسری برای بخش آنالوگ مدار خود، خروجی لودسل را با دقت 24 بیت به دیجیتال تبدیل نمایید. در صورت استفاده از این ماژول نویز ناشی از دیگر مدارات به حداقل رسیده و می توانید با دقت بسیار بالا دستگاه خود را تنظیم و کالیبره نمایید.
مشخصات
- دو ورودی آنالوگ قابل انتخاب
- نوع ارتباط با میکروکنترلر: دیجیتال با پروتکلی مشابه I2C
- ضریب بهره ی قابل تنظیم در سه سطح
- ولتاژ کار: 2.6 تا 5.5 ولت
- نرخ نمونه برداری قابل انتخاب: 10 یا 80 نمونه در هر ثانیه
- مصرف جریان کم: 1.5 میلی آمپر در حالت کار کرد و کمتر از 1 میکرو آمپر در حالت آماده به کار
Specification
Two selectable differential input channels
On-chip active low noise PGA with selectable gain of 32, 64 and 128
On-chip power supply regulator for load-cell and ADC analog power supply
On-chip oscillator requiring no external component with optional external crystal
On-chip power-on-reset
Simple digital control and serial interface: pin-driven controls, no programming needed
Selectable 10SPS or 80SPS output data rate
Simultaneous 50 and 60Hz supply rejection
Current consumption including on-chip analog power supply regulator: normal operation < 1.5mA, power down < 1uA
Operation supply voltage range: 2.6 ~ 5.5V
Operation temperature range: -40 ~ +85℃
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