Does the PIN 14 tie to ground need to be cut to get 80hz output?

Yes, I found that it os easier to desolder the chip and bend the pin.

How to increase the speed of the readings?

Lift pin 15 and connect it to VCC,but be aware thet the reading may be more noisy at 80Hz. And you will have to use data smoothing and a lot of rolling average.

what are the dimensions of the board? What are the screw hole spacings?

The board is 21mm wide by 34mm long. The holes are 3mm in diameter and are spaced 3mm from the end of the board and 1mm from the sides.

Will this sensor interface with the gpio pins on a raspberry pi 3?

Yes it will. I'm pretty sure there is code that exists as well.

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2pcs Hx711 Weight Weighing Load Cell Conversion Module Sensors Ad Module for Arduino Microcontroller

Product ID: 256390264

Details

Brand
DIYmall
Colour
multi
Recommended uses for product
Packages Food
Special features
High Weight
Display type
LCD

📈128x programmable gain amplifier

🔄2 selectable differential input channels

⚖️24-bit high-precision ADC

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174 kr

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In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Elevate your DIY projects with precision you can trust!

AMPLIFIED ACCURACY - 128x programmable gain ensures crystal-clear signal amplification.
PRECISION AT ITS CORE - Harness 24-bit ADC for ultra-accurate weight readings.
DUAL CHANNEL FLEXIBILITY - Switch effortlessly between two differential input channels for versatile sensing.
COST EFFECTIVE EXCELLENCE - High precision meets budget-friendly design—perfect for makers and pros alike.
PLUG PLAY COMPATIBILITY - Seamlessly integrates with Arduino microcontrollers for rapid prototyping.

The DIYmall HX711 module features a 24-bit high-precision ADC with two selectable differential input channels and a 128x programmable gain amplifier, making it an ideal, cost-effective front-end solution for weight measurement applications compatible with Arduino microcontrollers.

Specifications

ASIN	B010FG9RXO
Best Sellers Rank	#34,907 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Acceleration Sensors
Brand Name	DIYmall
Customer Reviews	4.3 4.3 out of 5 stars (75)
Display Type	LCD
Form Factor	Mini
Item Weight	5 Grams
Manufacturer	DIYmall
Material Type	copper
Measurement Type	weight
Model	FBA_FZ0728X2
Part Number	FBA_FZ0728X2
Readout Accuracy	0.1g
UPC	702795763015
Unit Count	2.0 Count
Weigh Scale Type	Floor Scale

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