| Author |
Message |
 Topic: Bargain Buys and Interesting Products |
frogbiscuit
Replies: 610
Views: 315726
|
 Forum: The Marketplace Posted:
Sun Aug 31, 2014 11:14 pm Subject: Bargain Buys and Interesting Products |
| Dunno if anyone cares but have just discovered the LTC6991 pulsewidth modulator. Cheap, easy to use, 0-100% control. |
| Topic: 3D printer opinion? |
frogbiscuit
Replies: 84
Views: 128469
|
Forum: Off-Topic Posted:
Thu Mar 27, 2014 8:23 am Subject: 3D printer opinion? |
I got a 3D printing Systems UP Plus 2.
Great little machine. |
| Topic: Some interesting options from Aldi |
frogbiscuit
Replies: 1
Views: 7210
|
Forum: Technical Chat Posted:
Tue Mar 18, 2014 12:24 am Subject: Some interesting options from Aldi |
| I wish, but metal-cutting chainsaw blades are hard to come by |
| Topic: Violent Engineering - Jaemus, NSW |
frogbiscuit
Replies: 574
Views: 270582
|
Forum: Builders Reports Posted:
Wed Sep 11, 2013 10:00 am Subject: Violent Engineering - Jaemus, NSW |
| 3/16" 32 tpi |
| Topic: Homebuilt ESC for small motors |
frogbiscuit
Replies: 14
Views: 21710
|
Forum: Technical Chat Posted:
Tue Apr 02, 2013 4:51 am Subject: Homebuilt ESC for small motors |
Dewd! In your loins lie the seeds of destruction to lay waste legions of mediocrebots, and its not your machine that'll do it but your thinking.
Research this: position vs speed. |
| Topic: Homebuilt ESC for small motors |
frogbiscuit
Replies: 14
Views: 21710
|
Forum: Technical Chat Posted:
Mon Apr 01, 2013 9:42 am Subject: Homebuilt ESC for small motors |
I gotta say, for not being an electronics or computer guy, you sure pulled a lot o' stuff together. Good man.
The uController needs 6 digital lines. 2 to pull in the 2 axes of the radio and 4 out to ... |
| Topic: Homebuilt ESC for small motors |
frogbiscuit
Replies: 14
Views: 21710
|
Forum: Technical Chat Posted:
Sun Mar 31, 2013 9:37 pm Subject: Homebuilt ESC for small motors |
The pulsestream needs to be converted from unipolar to bipolar. Sounds like you inhaled the unipolar ok, now just generate 2 PWM pulsestreams per channel with a microcontroller.
PCBs with DIP and d ... |
| Topic: just wondering |
frogbiscuit
Replies: 2540
Views: 744773
|
Forum: General Chatter Posted:
Sun Mar 24, 2013 10:36 am Subject: just wondering |
About acetone vapor treatment for 3D prints.
Does it really make the products harder, or just smoother? Youtube clips say they get soft & spongy. |
| Topic: Team Endgame USA - Illinois |
frogbiscuit
Replies: 106
Views: 58450
|
Forum: Builders Reports Posted:
Thu Mar 21, 2013 9:03 pm Subject: Team Endgame USA - Illinois |
A valiant effort, hope you suceed.
Reality check, dude. If you dont like, read no further.
This stuff is hard. 2 yrs down the track and on my 3rd rebuild and I'm still nowhere. Titanium & "bisal ... |
| Topic: just wondering |
frogbiscuit
Replies: 2540
Views: 744773
|
Forum: General Chatter Posted:
Mon Dec 31, 2012 9:26 pm Subject: just wondering |
| Does the kill switch have to break the + and - of the battery? |
| Topic: just wondering |
frogbiscuit
Replies: 2540
Views: 744773
|
Forum: General Chatter Posted:
Fri Aug 03, 2012 7:16 am Subject: just wondering |
Oops, sorry, I'm barking up the wrong tree.
On my system a 6V battery regs down to 5V and 3V3 for the electronics
and its all optically isolated from main power.
In fighting robots is it common to ... |
| Topic: just wondering |
frogbiscuit
Replies: 2540
Views: 744773
|
Forum: General Chatter Posted:
Thu Aug 02, 2012 12:47 pm Subject: just wondering |
The trouble with 7800 series is that they need at least 2.5V overhead.
So for a 5V rail, at least 7.5V supply is needed.
I use the LP38693 on my boards and they only have |
| Topic: Soaked robot? |
frogbiscuit
Replies: 2
Views: 3826
|
Forum: Technical Chat Posted:
Mon Apr 30, 2012 12:55 pm Subject: Soaked robot? |
| Mmmm, roboto risotto. Maight I suggest a riesling? |
| Topic: just wondering |
frogbiscuit
Replies: 2540
Views: 744773
|
Forum: General Chatter Posted:
Mon Apr 30, 2012 7:31 am Subject: just wondering |
| Pin chuck. Jaycar TD2010 |
| Topic: just wondering |
frogbiscuit
Replies: 2540
Views: 744773
|
Forum: General Chatter Posted:
Wed Apr 25, 2012 1:29 pm Subject: just wondering |
| Thanks loads. Hare & Forbes Syd looks like a good deal. |
| |
