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These micro switches work well for both homing and movement limiting switches.
Part details:
- Current: 0.5A
- Voltage: 125V / 250V
- Dimensions: 0.79 in x 0.59 in x 0.24 in (2.0 cm x 1.5 cm x 0.6 cm)
- Weight: 0.95 oz
Micro Limit Switch Kit contains:
- 1 Micro Limit Switch
- 1 Limit Switch Plate
- 2 M3 10mm Long Mounting Cap Screw
- 1 M5 8mm Low Profile Screw
- 1 Drop In Tee Nut
NOTE: The holes in the plastic of the switch will need to be tapped to M3 size so the included M3 Screws can be used to attach the switch to your project.
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These micro switches work well for both homing and movement limiting switches. Also available in a kit.
Part details:
- Current: 0.5A
- Voltage: 125V / 250V
- Dimensions: 0.79 in x 0.59 in x 0.24 in (2.0 cm x 1.5 cm x 0.6 cm)
- Weight: 0.95 oz
NOTE: The holes in the switch will need to be opened a little (1/8″ drill bit) to allow for the M3 screw or alternatively you can work the screw into the plastic. -
This ultra low profile Power Supply delivers 24 Volts with 14.6 Amps. This is the ideal Power Supply for most electronic setups.
“This Power Supply will super heat a 3D printer’s extruder and heated bed swiftly with plenty of power to spare”
Product Details
- 24V/14.6A
- 215mm(~8.50″) x 115mm(~4.5″) x 30mm(~1.25″)
- 2 DC Outputs
- Built-in Cooling Fan
- 85% Efficiency
Pro-tip: You can easily mount this unit using Single L Brackets and M4 Socket Head Cap Screws.
The fan is temperature controlled. It only turns on when the PSU internals heat up above 50degC and then turns back off once the internals fall below 40degC again.
Warning – Be sure to disconnect power before attempting to to switch voltage. Power Supply should always be unplugged while you make the connections and also make sure the shield is in place before plugging the cord into an outlet.
Warning – high voltage! Always have a qualified electrician connect this unit. Use at your own risk!
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The CNC xPRO V3 Controller is an all-in-one multi axis CNC controller. It is a specifically designed for CNC applications and pre-loaded with the latest stable version of GRBL. The CNC xPRO is equipped with 4 DRV8825 motor drivers; allowing for dual motor configurations on the X,Y, or Z axis. The CNC xPRO is printed on 2oz copper to handle heavy current and improve thermal management of the motor drivers.
What’s new for V3:
- Fully compatible with ESTLcam.
- Improved FTDI serial USB interface.
- Auxiliary PC fan header (12/24VDC Depending on supply voltage).
- 100% Input buffering to include limit switches (prevent false triggers).
- Step/Dir breakout pads to add external drivers.
- Z-Probe pin now accessible from screw terminal.
- Extremely robust power management for overvoltage/reverse voltage protection.
- Motor driver output LEDs for easier troubleshooting.
- Enhanced silkscreen with more pictures and less labels .
Specs:
- 100% GRBL version 0.9j (& GRBL version 0.8c) compatible
- Capable of powering from ATX PSU (these are dirt cheap and we have tons laying around from recycled desktops)
- Capable of powering from a dedicated 12V/24V two wire power supply
- Drive 4 motors with DRV8825 Stepper Drivers – 2.5A (peak) with 1.75A (RMS) with up to 1/32 microstepping
- 1 Driver capable of cloning X,Y, or Z or being run as an independent axis
- Hardware support for both USB and Wireless Operation (XBee, WiFly, or blueBee)*
- Emergency Stop to cut all motor power (with optional override)
- 12V and 5V** outputs for powering peripherals (fans, pumps, vacuums)
- Quickly connect to Stepper Motors and limit switches with 3.5mm screw terminals and/or 4-pin 0.1″ (2.54mm) headers
- Expansion port for coming upgrades (handheld jog controller, integrated spindle speed control, etc.)
**5V output available with ATX PSUUse the CNC xPro to drive:
- 4 Axis CNC Mill
- 3 Axis CNC Mill With Dual Drive Motors
- Laser Cutter With XY, Auto Focus, and Rotary Attachment
- Plasma Cutter
- Pick and Place for SMD components
- Or wireless robotics (would love to see this used on a wireless quadruped)
Software:
The CNC xPRO is designed to run the opensource gcode interpreter GRBL, opensource programming environment Arduino, or anything you can write in AVR studio. The xPRO comes pre-flashed with GRBL so all you need to do is wire up your motors!
From the computer side we have found that Universal-G-Code-Sender works extremely well (open source / free download).
Spark’s recommended software stack is:
- SketchUp, Inkscape, or Solidworks to design parts
- Openbuilds SketchUCam or CamBam
- Universal-G-Code-Sender or GRBL Panel to send gcode to the xPro
Most of these are opensource!
Getting Started and Basic Setup:
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