Just met this IC + PCBAs for the first time.

AVIA semiconductor HX711 - Low cost dual channel 24 bit sigma delta IC
targeted at digital-scale applications (+/-20 - 80 mV FSD)
Overall "goodness" unknown.

IC and PCBAs available
HX711
Dual channel 24 bit Delta Sigma ADC
Channel 1 +/1 20mV or 40 mV FSD
Channel 2 80 mV FSD.
1,25V bandgap ref.
*NO accuracy etc specs given *(not auspicious)
Serial out
5V 1.5 mA optg. < 1 uA power down.

*Data sheet  http://www.dfrobot.com/image/data/SEN0160/hx711_english.pdf
<http://www.dfrobot.com/image/data/SEN0160/hx711_english.pdf>*

Modules (IC + glue on PCB) from under $US1

*Modules*

$US5.70/1 free shipping
http://www.aliexpress.com/item/5pcs-lot-Weighing-Sensors-AD-Module-for-Micr=
ocontroller-FZ0728/1509340309.html

$17.95/20
http://www.aliexpress.com/item/Free-Shipping-20PCS-Goose-electronic-hx711-m=
odule-weighing-sensor-24-ad-module-pressure-sensor/2043679721.html

$7.90/10 free shipping
http://www.aliexpress.com/item/10pcs-HX711-Weighing-Sensor-Dual-Channel-24-=
Bit-Precision-A-D-Module-Pressure-Sensor/32276373968.html

With metal shield and "extra IC" - use unknown
http://www.aliexpress.com/item-img/HX711-Dual-channel-24-bit-A-D-Conversion=
-Weighing-Sensor-Module-with-Metal-Shied/2054843273.html

*ICs from under $US0.50*

$44.55/100
http://www.aliexpress.com/item/HX711-SOP16-100pcs-lots-Original-authentic-a=
nd-new-in-stock-Free-Shipping-IC/32217444789.html

$13.20/20
http://www.aliexpress.com/item/new-hope-HX711-HX711-SOP16/1847929061.html

________________


Gargoyle says:
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bo=3Du&source=3Duniv&sa=3DX&ei=3D6FJZVfKrDtjU8gX37ICAAw&sqi=3D2&ved=3D0CCIQ=
sAQ



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&initiative_id=3DSB_20150517190542
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