What is the power supply module for

It is used to plug into a breadboard to supply either 3 volts or 5 volts to the power rails. The rails are blue and red. blue being negative red being positive

What voltage do the LED bulbs require?

It has a typical forward voltage of 2.0V and a rated forward current of 20mA

Do you havd a schematic of the power module?

The schematic is available by googling, and it is exactly this board: https://protosupplies.com/product/ywrobot-breadboard-power-supply/

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ELEGOO Upgraded Electronics Fun Kit 300+ Components

ELEGOO Upgraded Electronics Fun Kit 300+ Components

Product ID: 452144293

Details

Brand
ELEGOO
CPU Model
None
CPU Speed
16 MHz
Color
A)E3
Graphics Card Description
Dedicated
Model Name
EL-CK-003

⚡Selectable 3.3V/5V power supply module

🔌830-point breadboard for complex circuits

🧩300+ components for endless experiments

€ 29.71

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Description

⚡ Empower your inner innovator with 300+ parts to spark endless creativity!

POWER YOUR CREATIVITY - Integrated power module offers quick 3.3V or 5V rails for versatile circuit powering.
MASTER CORE ELECTRONICS - Explore key components like 74HC595 shift registers and PN2222 transistors for real-world skills.
PLUG PLAY EXPERIMENT - Includes jumper wires, LEDs, buttons, and buzzers for instant hands-on learning.
BUILD BIGGER BETTER CIRCUITS - 830-point solderless breadboard lets you create advanced projects with ease.
DESIGNED FOR ARDUINO ENTHUSIASTS - Compatible with Arduino controllers (sold separately) and comes with detailed tutorials.

The Upgraded Electronics Fun Kit features an 830-point solderless breadboard, a selectable 3.3V/5V power supply module, and over 300 components including LEDs, transistors, and buzzers. Designed for Arduino compatibility, it enables users to build complex circuits and learn core electronics concepts through hands-on experiments and detailed tutorials.

Specifications

ASIN	B09YRJQRFF
Best Sellers Rank	#15,339 in Toys & Games ( See Top 100 in Toys & Games ) #140 in Educational Science Kits
Date First Available	April 25, 2016
Item Weight	10.2 ounces
Item model number	EL-CK-003
Manufacturer	ELEGOO
Product Dimensions	7.3 x 3.5 x 1.7 inches

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