How accurate can I measure items? If I use more than one cell does the accuracy improve or degrade?

This type of cell, which is 50kg half bridge will provide a typical accuracy of 50 to 100g with a maximum range of 200K for 4 cells. Adding more cells will increase the maximum load and decrease accuracy.

What is the output format from the hx711 ad weight module? is this an i2c output? if so what's the address?

The output is not IIC, it is SPI

Is there a way to get the 80 hz sample rate that the hx711 should provide (according to the datasheet) if the rate pin is set to high?

You need cut the PIN 14 of the chip to get 80 HZ

I just bought these for a project. What two opposing points get pressure applied to measure strain? I suspect it needs the rivets to be clear?

This gauge is used for scales, gauge must rest on it outer ring and the pressure must be applied on the center point.

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4pcs 50kg Load Cell Half Bridge Strain Gauge Human Body Scale Digital Weighting Sensor + 1pc HX711 AD Amplifier Weight Module for Arduino

Product ID: 70091936

Details

Blade Material
Stainless
Brand
Geekstory
Color
Green & Silver
Material
Polycarbonate
Size
Small

🔬24-bit high precision HX711 ADC

⚖️50kg max load per sensor

🛠️4 half-bridge strain gauges included

€ 18.28

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡️ Upgrade your DIY scale game with pro-grade precision!

MODULAR READY - Includes 4 load cells + HX711 amplifier for seamless Arduino integration.
DEVELOPER FRIENDLY - Access detailed technical docs by simply reaching out to Geekstory.
PRO LEVEL DURABILITY - Stainless steel strain gauges built to handle up to 50kg each.
PRECISION MEETS POWER - Harness 24-bit ADC tech for ultra-accurate weight sensing.
VERSATILE USAGE MODES - Three ways to deploy the half-bridge sensors for custom projects.

This Geekstory kit includes 4 half-bridge strain gauge load cells, each rated for 50kg, paired with a 24-bit HX711 ADC amplifier module designed for Arduino projects. Perfect for building high-precision digital weighing scales, it offers industrial-grade accuracy and durability, making it a top choice for biometric and industrial scale applications.

Specifications

ASIN	B079FTXR7Y
Best Sellers Rank	#207,350 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #24 in Industrial Scale & Balance Parts
Blade Material Type	Stainless Steel
Brand Name	Geekstory
Color	Green & Silver
Customer Reviews	4.1 4.1 out of 5 stars (68)
Item Weight	80 g
Manufacturer	Geekstory
Manufacturer Part Number	1
Material Type	Polycarbonate
Model Number	FZ1802AX4+FZ0728
Number of Items	4
Operation Mode	Manual
Size	Small
UPC	702795764395

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€ 18.28

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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