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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⚡ Empower your inner maker with ELEGOO’s all-in-one electronics kit!

LEARN BUILD REPEAT - Comprehensive downloadable tutorials make mastering electronics effortless.
DURABILITY MEETS DESIGN - Robust, well-organized storage box ensures your kit stays pristine.
ULTIMATE DIY ELECTRONICS PLAYGROUND - Over 300 premium components to fuel your innovation.
PRECISION CONTROL AT YOUR FINGERTIPS - Includes a high-quality potentiometer for fine-tuning your projects.
SEAMLESS ARDUINO STM 32 COMPATIBILITY - Plug and play with industry-leading microcontrollers.

ELEGOO’s Upgraded Electronics Fun Kit offers over 300 components including jumper wires, a precision potentiometer, and an 830 tie-points breadboard compatible with Arduino and STM32 platforms. Packaged securely in a sturdy box, it comes with downloadable datasheets and tutorials, making it the perfect starter kit for professionals and hobbyists eager to build and innovate with confidence.

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Screen Resolution	1920 x 1080
Max Screen Resolution	1920x1080
Processor	none
Card Description	Dedicated
Brand	ELEGOO
Series	EL-CK-003
Item model number	EL-CK-003
Hardware Platform	Arduino
Operating System	Windows
Item Weight	10.2 ounces
Product Dimensions	7.3 x 3.5 x 1.7 inches
Item Dimensions LxWxH	7.3 x 3.5 x 1.7 inches
Color	A)E3
Processor Brand	VIA
Number of Processors	1
Computer Memory Type	DDR4 SDRAM

ELEGOO Upgraded Electronics Fun Kit w/Power Supply Module, Jumper Wire, Precision Potentiometer, 830 tie-Points Breadboard Compatible with Arduino, STM32

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