Will this fit 4 pi zero w boards? Someone said the bottom wouldn't take one.

Yes, 4 raspberry pi zeros will fit. All raspberry pi models on all levels are secured with 4 nylon mounting screws, the one exception being the bottom level for pi zeros which utilize 3 mounting screws.

Can it be separated into two stacks? meaning that using two stacks of two pis each.

It can be shortened to hold 1, 2, or 3 Pi’s if desired, but not into two separate stacks.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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3D Printer CNC Controller Kit for Arduino, Longruner GRBL CNC Shield UNOR3 Board RAMPS 1.4 Mechanical Switch Endstop DRV8825 A4988 GRBL Stepper Motor Driver with Heat Sink Nema 17 Stepper Motor LKB02

Product ID: 57659460

🔋12-36V wide voltage range

⚙️4-axis CNC control

❄️Heat sink cooled drivers

Description

⚙️ Elevate your CNC game with precision and power — don’t get left behind!

COMPLETE ENDSTOP SAFETY - Includes 6 mechanical switch endstops ensuring precise axis limits and fail-safe operation.
ADVANCED STEPPER DRIVERS - Equipped with 4 A4988 drivers featuring thermal shutdown and overcurrent protection.
PRECISION 4 AXIS MASTERY - Seamlessly control X, Y, Z, and a customizable 4th axis for complex projects.
ROBUST POWER FLEXIBILITY - Operates efficiently across a broad 12-36V DC range to suit diverse setups.
PLUG PLAY ARDUINO UNO R 3 - Integrated ATmega328 MCU with USB interface for smooth, reliable connectivity.

The Longruner 3D Printer CNC Controller Kit combines the latest CNC Shield V3.0 with an Arduino UNO R3 board and four A4988 stepper motor drivers, all cooled by heat sinks. Supporting up to 4 axes and running on a versatile 12-36V DC power supply, it offers robust, precise control for advanced CNC and 3D printing projects. With built-in mechanical endstops and compatibility with DRV8825 drivers, this kit is engineered for professional-grade performance and reliability.

Specifications

ASIN	B077D4J3M5
Brand	Longruner
Customer Reviews	4.7 4.7 out of 5 stars (24)
Date First Available	November 12, 2017
Is Discontinued By Manufacturer	No
Item Weight	10.9 ounces
Item model number	LK75-US
Manufacturer	Longruner
Package Dimensions	8.58 x 7.24 x 1.26 inches

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