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

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

Product ID: 20080867

Details

Brand
DIYmall
Display Type
LCD
Form Factor
Mini
Material
copper
Readout Accuracy
0.1g

📈128x programmable gain amplifier

🔄2 selectable differential input channels

⚖️24-bit high precision ADC

VT2873

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Description

⚡ Elevate your Arduino projects with precision weight sensing that means business!

PRECISION AT ITS CORE - Harness 24-bit ADC for ultra-accurate weight measurements down to 0.1g.
PLUG PLAY SIMPLICITY - Pin-driven digital control means no complex programming—get started instantly.
AMPLIFY WITH CONFIDENCE - Integrated 128x programmable gain amplifier ensures crystal-clear signal amplification.
DUAL CHANNEL FLEXIBILITY - Switch effortlessly between two differential input channels for versatile sensor setups.
LOW POWER HIGH PERFORMANCE - Operate efficiently with <1.5mA current consumption, perfect for long-term projects.

The 2pcs HX711 Weight Weighing Load Cell Conversion Module features a 24-bit high precision ADC chip with two selectable differential input channels and an integrated 128x programmable gain amplifier. Designed for Arduino and microcontroller applications, it offers low noise, low power consumption, and easy digital control without programming. Ideal for DIY scales, industrial process control, and kitchen scales, this dual-pack module delivers professional-grade accuracy and versatility at an affordable price.

Specifications

ASIN	B010FG9RXO
Best Sellers Rank	#71,996 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #15 in Acceleration Sensors
Brand Name	DIYmall
Customer Reviews	4.3 4.3 out of 5 stars (79)
Display Type	LCD
Form Factor	Mini
Item Weight	5 g
Manufacturer	DIYmall
Material Type	copper
Measurement Type	weight
Model	FBA_FZ0728X2
Part Number	FBA_FZ0728X2
Readout Accuracy	0.1g
UPC	702795763015
Unit Count	2 Count
Weigh Scale Type	Floor Scale

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TrustScore 4.5 | 7,300+ reviews

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VT2873

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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