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Chris Annin
Chris Annin
@chris-annin
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Joined: Jul 8, 2025
Last seen: Oct 4, 2025
Topics: 6 / Replies: 532
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RE: ARCS for 5 Axis

Hello, the software is currently setup for 6 axis only. I will likely take a run at making a software version for a 5 axis robot at some point but it ...

2 months ago
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RE: Can the AR3 Program handle CNC control in real time?

I plan on working on G-code interpretation soon. Currently each position is sent from the software to the teensy one at a time as they are executed. L...

2 months ago
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RE: Shorted 5V connection because of bent J1 Limit Switch Terminals

Thanks for the feedback Brandon, I will work on updating the manual to solder the wired directly to avoid this issue.

2 months ago
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RE: ARCS Software Screen Issue

Hi Joe, what is your display size set at? If its currently at 125% can you try 100% and let me know if that fixes the issue?  ARCS-Software-Scr...

2 months ago
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RE: Properly wiring the Teensy - the 5VDC connector mystery

Hello all, Im sorry I missed this post. Raymond Kimber brought this to my attention and he may have some additional info to add to this topic. Please ...

2 months ago
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RE: J5 calibration - not working

It looks like the J5 limit switch is likely returning +5v when it shouldnt. I would check pin 30 on the teensy board and make sure you are seeing -5v ...

2 months ago
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RE: Regarding set screws

Yes just a light tension after they touch the bearings, you should not feel any play or side to side movement in the axis.

2 months ago
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RE: Can i go beyond 100% in robot speed entry field ?

Its possible but you could get undesired behavior or missing steps.

2 months ago
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RE: How did you calculate the final payload for AR3 Robot i.e., 4.15 lbs (1.9 Kg) ? Could you please elaborate ?

Hello, sorry for the late reply - I missed this question. When designing the robot I tested several off the shelf motors and gear ratio combinations s...

2 months ago
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RE: I placed an order for the AR3 kits to the tune of $880 a week ago! I have heard nothing back from Chris. Is he sick, Covid.....? Anybody ?

Following up on this forum post - the order was placed by another individual from Florida Tech and the package was delivered on August 23rd.

2 months ago
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RE: I placed an order for the AR3 kits to the tune of $880 a week ago! I have heard nothing back from Chris. Is he sick, Covid.....? Anybody ?

OK, email me with the name used to place the order as well as the order number and I will get you the tracking information.

2 months ago
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RE: I placed an order for the AR3 kits to the tune of $880 a week ago! I have heard nothing back from Chris. Is he sick, Covid.....? Anybody ?

Hello, I don't have any emails from caraway78@yahoo.com and I dont show any orders placed from your account. Is it possible you placed an order from a...

2 months ago
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RE: AR3 - J1 and J5 CALIBRATION NOT WORKING

I think the input for the J1 limit switch is getting 5v when its not made. I would use a meter and double check that the switch is returning -5 when n...

2 months ago
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RE: Use another AB rotary encoder?

Yes you can use a different encoder. I would want to test it to be sure. You would need to change the encoder mult value in the teensy sketch to match...

2 months ago
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RE: Can i use Teensy ver 4.1

If you wanted to go with another type of switch it needs to provide a 3.3v input to the teensy board (5v is using the 3.5 board)

2 months ago
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