Hi. cheers BenHi Ben, thanks for the interest. I’m thinking it should work, since you are really just extending the Arduino pins to the shield and incorporating the driver circuitry.Sounds possible if the pins can be readjusted in TinyG.You have done a nice job with this board and the instructions.

Using full stepping can also cause this issue(Try 1/2 step or less if thats the case).I had a similar symptom when using the same setup and Nema17 4800g/cm steppers.

At Protoneer we designed this simple Arduino CNC shield kit (Arduino Extension Board) with the following features: New with Version 3.51: Added circuitry for End-Stop and Probe signal filtering. This chopping produces a high pitch noise and depending on the current setting will vary in volume. Running 2.6A NEMA23s.I noticed that Elecrow is selling a 3.03 and a 3.50 version of the Shield.

To connect it to a DMA860A it will need to connect to the GND, selected axis’s step , direction pin and enable pin. So i need to know if i have to use a couple resistors to pull the voltage down on those input pins.The limit switches are powered by the Arduino processor, so if your UDOO is providing it will run at that level. The Stepper drivers are also compatible with 3.3V logic.Hi , i want to ask if understand this right .Under the A4988 the shield has 6 female headers.The three of them are pinouts of the modules for microstepping the other three are ground?…So with a micro jumper you ground the pin and make them low ?The pins under the stepper driver sets the micro-stepping and takes up to 3 jumpers.

The A5 is routed to the SCL pin as you mentioned and can be used for the probing function. (Python can be used to transform your G code scripts to do this.) To activate the PWM function set the “S” command to 0-1000. I’m interested in beta testing, if there’s still “space.”Hi Id love to get this off you prepared to pay for it as wellThanks… I have send you an email with the details. I use a real Uno R3, the same 4988 drivers and my servos too to spare more issues. There are two ways to install the end stops: Wiring of Motors. After many fruitless attempts to move from a blob board to the shield I took a carefull look at the tracks on the board. Nema23 is 2.8A per phase….

b. For that reason I designed a Raspberry Pi to Arduino Bridge shield. 0 . !I’m trying to remove false limit switch triggering.

I am using it very successfully for about 3 months with my Shapeoko 2.

I would love to take a closer look at your design.Thanks for the request Jan.

They are chopper drivers and work by ramping up volts till it reaches the needed current level. The breakout pins on the Left of the shield can be connected to external drivers like the TB6600.What’s different electrically with ver.

I am very interested but want to finish the research before I jump in. )Actually Levi, you don’t need an Arduino or shield. Attachment Navigation. thanks for anwser….

I just send it a stl file, and it slices it and sends it to the printer. I am running 12V power and the drivers are set for 1A.

There’s a pic at the link bellowHi Michael, Nice Build!!! I Have a V3 Protoneer CNC shield, Arduino Mega2650, Raspberry Pi (Raspian Jessie), A4988 Stepper driver, 4 lead stepper motor that steps nicely with code by Tom Igoe for Arduino with L293D driver circuit and a 300ma supply set to 4.5 VDC. Nothing. I blew a couple of 8825s trying to get a reference voltage.

here I purchased the above shield to use with a nano and 3 A4988's. I am not sure how to connect the TTL, -ve goes to ground but which pin on either the Arduino CNC shield or Arduino UNO will provide the modulation for TTL +ve?Are you talking about the PWM?

Other offers may also be available.Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months. For example a MA860H.Regarding EndStops: I am guessing that that ‘X+’ and ‘X-‘ forms pairs across horisontally, so that X- (left and right pin) is one switch at one end of X-axis, and X+ (left and right pin) is another switch at the other end of X-axis.I am happy to announce that we now have a dedicated Forum for people to share their projects and ideas. It can be a little confusing because the GRBL docs I found all said 9600.How do I connect a larger motor which uses a controller? and hope that everything equals out!Measure twice cut once… To driver 3x 2A motors I suggest you get at least a 6-8Amp power supply. The also need to be N/O for the standard software setup. Step 5: Wiring Diagram. how can I have the drv8825 working with 3 nema17?The drivers are constant current drivers and will get warm. It could also be that you are not giving it enough current.

ore am i wrong, i don’t want to burn the drivers so haven’t tested it jetBest to ask the Stepper Driver supplier then.

Make sure you use shielded cables and that the machine is properly grounded.What would be the recommended board to pick the Arduino CNC Shield V3.10 or Raspberry Pi CNC Board Because I dont know what is the best option?I prefer the the Raspberry Pi version because its plug and play.Yes… It should be possible via the breakout pins on the left of the shield.for what i understand in cnc Shield v3 it needs to be swaped the pins for grbl 9 is this possible to do on the code of grbl or it needs to do changes on circuit to swap the pins 12 and 13?No…. Please let me know how your project goes. when I put the nema23 don’t work… I am frustated… any idea??