Search found 7 matches

by monkeyiq
Fri Feb 14, 2014 6:16 am
Forum: HBRIDGE: H-Bridge Motor Driver Shield
Topic: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)
Replies: 7
Views: 10506

Re: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)

ok, so that motor runs without jitter using a EasyDriver and the same 13.8V/12A supply. Obviously that setup is current limited to up to 750mA. So not exactly apples to oranges, but good to see the motor moving well with the power supply to somewhat rule out pussible wire issues etc. Moving back to ...
by monkeyiq
Thu Feb 13, 2014 1:22 pm
Forum: HBRIDGE: H-Bridge Motor Driver Shield
Topic: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)
Replies: 7
Views: 10506

Re: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)

I've also tried the below code. Digging into Stepper and AccelStepper it seems to boil down to similar signals being sent to the driver. I'd probably look to use the AccelStepper library longer term anyway. Using the below also does some skips. Setting the pulse width higher doesn't seem to settle i...
by monkeyiq
Thu Feb 13, 2014 6:20 am
Forum: HBRIDGE: H-Bridge Motor Driver Shield
Topic: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)
Replies: 7
Views: 10506

Re: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)

I started with the example 'Example Stepper Sketch' from the tutorial: http://www.freetronics.com/pages/hbridge-motor-driver-shield-quickstart-guide I have also then experimented with the following. Changing incr in the range 2 to 20 and the delay between movements from 20ms to 3s. steploose was add...
by monkeyiq
Thu Feb 13, 2014 1:23 am
Forum: HBRIDGE: H-Bridge Motor Driver Shield
Topic: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)
Replies: 7
Views: 10506

Re: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)

Thanks for the info! I moved to a 13.8V 12A supply. So hopefully now I'm not giving the supply unit so much grief. Unfortunately it still skips (or reverse steps) at times. I've tried doing 2 steps per move, and 20 steps per move. Altering the setSpeed from 1 up to 200 (later doesn't move at all). A...
by monkeyiq
Tue Feb 11, 2014 8:26 am
Forum: HBRIDGE: H-Bridge Motor Driver Shield
Topic: Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)
Replies: 7
Views: 10506

Controlling a1.7A/Phase 3v stepper (sparkfun ROB-10846)

Hi, I have one of these bipolar stepper motors from Sparkfun: https://www.sparkfun.com/products/10846 400 steps/rev, 3v, 1.7a per phase. I attached the Freetronics HBRIDGE to a uno and powered the uno using a 12v/2a supply. The hbridge is set to Bridge VIN To Motor Power. I have the 4 wires connecte...
by monkeyiq
Wed Mar 21, 2012 12:58 pm
Forum: Random Chit-Chat
Topic: fsa03 gps module for the mobsendat
Replies: 2
Views: 2875

Re: fsa03 gps module for the mobsendat

Cool, knowing that there are only the 4 needed connections is very useful information! I'll have another look at the pinout. Sorry if the request for info on sourcing the fsa03 came across as gruff. I noticed these things which may or may not be of interest for GPS->arduino boards... http://australi...
by monkeyiq
Sun Mar 18, 2012 12:41 pm
Forum: Random Chit-Chat
Topic: fsa03 gps module for the mobsendat
Replies: 2
Views: 2875

fsa03 gps module for the mobsendat

Does anyone know a good source for the fsa03 GPS used on the mobsendat board? Alternately, anyone with better electronics knowledge than me care to comment if the GPS-PA6B could be retrofitted to the mobsendat: http://shop.4dsystems.com.au/gps-modules-accessories/246-9102.html Thanks again for makin...