Does this come with a tutorial for use with a Raspberry pi?

This is basically a bag of sensors. The only documentation is a fuzzy picture chart showing the location of the parts in the container. Sadly the parts are randomly placed and their placements do not match the chart. The chart shows the parts and their corresponding names but that's all. The boards all have part numbers on them like HW 505 but you can't read these numbers on the chart even with a magnifying glass. Their website doesn't even recognize this kit as a product, so no documentation there. Some of the bigger parts can be recognized and matched but about half of them are too small to make out the parts. I agree with the other reviewer who suggested buying the same 37 sensor kit from another company (ELE***) which has comprehensive documentation, examples and help (and is one of my favorite companies for these kind of parts) but is more expensive. Then if you need more sensors buy this cheap kit. I haven't tested any of the sensors but I did notice the pins on some may be reversed between kits. Good Luck!

Does any of the product contain mercury?

The tilt switch is a glass capsule that contains inside a drop of mercury. The mercury is inside the glass capsule and it is not in any means in contact with the user. Even though the glass capsule is very resistant care must be take in order to avoid break the glass capsule.

Can these be plugged directly into the gpio header and used on a raspberry pi?

Many of these modules require Power and Ground connections that do not conveniently line up with Arduino and Rasp-pi pins. The signals are compatible with Arduino and rasp-pi but they need jumper wires to be connected correctly to the input and output pins. That said, they will plug into a breadboard strip for easy connections.

Are these compatible with the Arduino Uno R3?

Yes, the components in the kit works with Arduino UNO R3.

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🚀 Elevate your maker game with 37 sensors in one powerhouse kit!

COMPACT LIGHTWEIGHT - At just 340g and a sleek 28x26 cm footprint, perfect for desktop innovation hubs.
EDUCATIONAL POWERHOUSE - Ideal for managers and makers aiming to upskill in IoT, robotics, and embedded systems.
PRECISION MEETS VARIETY - Includes temperature, magnetic, optical, and sound sensors to cover every experimental need.
ALL IN ONE SENSOR ARSENAL - 37 diverse sensors from heartbeat to flame detection, empowering your next-gen projects.
PLUG PLAY COMPATIBILITY - Seamlessly integrates with Arduino boards and infrared devices for rapid prototyping.

The HiLetgo 37 Sensors Assortment Kit is a comprehensive starter pack featuring 37 sensor modules including touch, heartbeat, infrared, temperature, and magnetic sensors. Designed for Arduino MCU education and prototyping, it supports 5V power and infrared communication, making it perfect for professionals and hobbyists seeking a versatile, compact, and ready-to-use sensor solution.

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Brand	HiLetgo
Manufacturer	HiLetgo
Model	4331032886
Package Dimensions	28.19 x 25.81 x 4.39 cm; 340 g
Item model number	4331032886
Ram Memory Technology	LPDDR4
Operating System	Linux
Processor Count	1
Compatible Devices	Arduino boards, devices with infrared communication
Voltage	5 Volts
Power Source	ac
Batteries Included	No
Batteries Required	No
Wireless Type	Infrared
Total USB ports	4
Connector Type	Infrared
Device interface - primary	Microphone
Manufacturer	HiLetgo
Country of Origin	China
Item Weight	340 g

HiLetgo 37 Sensors Assortment Kit for Arduino MCU Education: 37 Sensors in One Starter Kit

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