What are the dimensions of the load cell? (The diagram says 3.4mm and the description says 34mm)

Hi friend, the dimension of the load cell is 34mm. We change the diagram now. Thank you.

Do you have a version that can be used to measure a total of 2kg over 4 sensors. For example to monitor the weight of an item on a small platform?

The following are other 2 types sensor I have, https://www.amazon.co.uk/Amplifier-Electronic-Kitchen-Weighing-Arduino/dp/B07T48VZZF/ref=sr_1_33?keywords=wishiot&qid=1567048855&s=gateway&sr=8-33 https://www.amazon.co.uk/dp/B07G2QVVH3/ref=twister_B07G2RRNSQ?_encoding=UTF8&psc=1

Can I connect these to an arduino, which when walked upon triggers the arduino to subsequently open & close a sliding door?

They’re ideal to connect to an Arduino and you can then connect the board to motor drivers or a relay to drive your motors. However, these are quite thick, so they’d have to be within a step or over a void in the floor. They’re not thin enough to just tuck under a floor covering.

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4pcs Load Cell 50kg Weight Sensor Half-bridge Strain Gauge Human Body Scale +1pcs HX711 Amplifier AD Weighing Module for Arduino

4pcs Load Cell 50kg Weight Sensor Half-bridge Strain Gauge Human Body Scale +1pcs HX711 Amplifier AD Weighing Module for Arduino

Product ID: 77857307

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Details

Brand
DIYmalls
Vehicle service type
Car
Special feature
Advanced
Connectivity technology
USB
Map type
Street
Included components
4 x 50 kg load

🔍24-bit high-res ADC HX711

🔧Half-bridge strain gauge tech

⚖️50kg max precision load

Description

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

HIGH RESOLUTION DATA - Equipped with the HX711 24-bit ADC for ultra-precise digital readings every time.
COMPACT LIGHTWEIGHT - Small 4x4x2 cm footprint and just 10g—perfect for sleek, space-conscious designs.
PRECISION WEIGHT SENSING - Accurately measures up to 50kg with professional-grade strain gauge sensors.
PLUG AND PLAY ARDUINO READY - Seamless compatibility with Arduino platforms for rapid prototyping and innovation.
VERSATILE SENSOR CONFIGURATION - Three usage modes for flexible integration in custom DIY or professional projects.

This DIYmalls 4-piece load cell kit includes 50kg half-bridge strain gauge sensors paired with a high-precision HX711 amplifier module, delivering accurate weight measurements ideal for custom electronic scales and Arduino projects. Compact and versatile, it’s the go-to solution for makers seeking reliable, professional-level sensing technology.

Specifications

Manufacturer	DIYmalls
Manufacturer reference	WI1802AX4+FZ0728
Product Dimensions	4 x 4 x 2 cm; 10 g
ASIN	B07FMN1DBN
Guaranteed software updates until	unknown

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