Search found 10 matches

by DillonMEK
Thu Apr 26, 2018 9:39 pm
Forum: General Discussion
Topic: Slow communications Latency using Packet Serial
Replies: 11
Views: 10680

Re: Slow communications Latency using Packet Serial

So yes, multi-unit is enabled If 10k is the minimum, then 12k is also fine then? Why lower resistance for higher Baud rates? With the single Roboclaw, and the ESP32, I was still having issues with not reading the return signal until I used the pull up resistor and logic level converter. I haven't ha...
by DillonMEK
Wed Apr 25, 2018 12:58 am
Forum: General Discussion
Topic: Slow communications Latency using Packet Serial
Replies: 11
Views: 10680

Re: Slow communications Latency using Packet Serial

Have it working now with 3 Roboclaws on one channel, 2 on the other, 12k pullup resistors, and time out set to 5ms - this gives me a latency ranging 4 - 18 ms, averaging around 10ms, so it is obviously still dropping some packets on each cycle, but that is still fine for the max 30fps I am after
by DillonMEK
Tue Apr 24, 2018 7:13 pm
Forum: General Discussion
Topic: Slow communications Latency using Packet Serial
Replies: 11
Views: 10680

Re: Slow communications Latency using Packet Serial

Tried 10k pullup resistors on the UART pins without using the logic level converter, this didn't work
by DillonMEK
Tue Apr 24, 2018 5:29 pm
Forum: General Discussion
Topic: Slow communications Latency using Packet Serial
Replies: 11
Views: 10680

Re: Slow communications Latency using Packet Serial

I am bussing 5 Roboclaws on one serial channel Serial(1) - which is a hardware serial I haven't had access to an oscilloscope while trouble shooting this particular issue, but the ACK delay seems to have mostly gone with using the level converter, which I had one of in my kit, but yes I will investi...
by DillonMEK
Mon Apr 23, 2018 10:03 pm
Forum: General Discussion
Topic: Slow communications Latency using Packet Serial
Replies: 11
Views: 10680

Re: Slow communications Latency using Packet Serial

UPDATE 4: While the RoboClaw data sheet says it automatically allows for 3v or 5v logic, the ESP32 doesn't seem to like what it is putting out Using a logic level converter I have got much better results - with the timeout set to the standard 10ms, I am getting less than 1ms for the 3 packets to the...
by DillonMEK
Mon Apr 23, 2018 4:29 pm
Forum: General Discussion
Topic: Slow communications Latency using Packet Serial
Replies: 11
Views: 10680

Re: Slow communications Latency using Packet Serial

The wiring all appears to be correct The esp32 uses 3v logic - I haven't checked for updates since last October, but that should still be up to date - that it is happening on every board and every packet sent leads me to conclude the problem is on the ESP32 end I have it wired s1 > tx s2 > rx, the c...
by DillonMEK
Mon Apr 23, 2018 4:17 am
Forum: General Discussion
Topic: Slow communications Latency using Packet Serial
Replies: 11
Views: 10680

Re: Slow communications Latency using Packet Serial

UPDATE 3:

Have tried different baudrates and still get the same issue
by DillonMEK
Sat Apr 21, 2018 11:30 pm
Forum: General Discussion
Topic: Ion Studio not seeing RoboClaw device
Replies: 2
Views: 4401

Re: Ion Studio not seeing RoboClaw device

Solved this - the USB port on the old laptop I was using was not great
by DillonMEK
Sat Apr 21, 2018 11:21 pm
Forum: General Discussion
Topic: Slow communications Latency using Packet Serial
Replies: 11
Views: 10680

Slow communications Latency using Packet Serial

Hi I am using the RoboClaw controllers to run all my actuation on a project. The project consists of a Steward Platform atop a kiwi drive omni directional base I am controlling 6 linear actuators for the platform, and 3 DC motors for the base I am using an Adafruit ESP32 Feather for the MCU and have...
by DillonMEK
Sun Sep 17, 2017 11:09 pm
Forum: General Discussion
Topic: Ion Studio not seeing RoboClaw device
Replies: 2
Views: 4401

Ion Studio not seeing RoboClaw device

I have a number of your devices - 3 of the 2X15A and 2 of the 2X30A They are all V5E I am having problems getting the Ion Studio software to detect these devices My setup is a Windows 10 desktop PC I am powering the board with a Bench Power Supply, using 12VDC, as that is what my motors will need I ...