Reference Resources PDF Print E-mail
Written by The Cougars   
Sunday, 28 September 2014 05:25

HiTechnic & Matrix Controllers

FTC Motors

Build A Better Bot Workshops

Shop References
(courtesy of Bernez's Knifemaking Info Pages)

 

Attachments:
Download this file (AndyMark am-2964 NeveRest40.PDF)AndyMark am-2964 NeveRest40.PDF[ ]93 Kb01/10/14 08:02
Download this file (FTC Workshop - content - final.pptx)Build A Better Bot workshop[ ]9895 Kb25/10/14 18:43
Download this file (HiTechnic-Motor-Controller-Specification-v1.4.pdf)HiTechnic Motor Controller brief v1.4[ ]155 Kb10/10/14 13:16
Download this file (hitechnic_motor_controller_-_brief_v1.3.pdf)HiTechnic Motor Controller brief v1.3[ ]194 Kb10/10/14 13:16
Download this file (hitechnic_servo_controller_-_brief_v1.2.pdf)HiTechnic Servo Controller brief[ ]168 Kb01/10/14 07:18
Download this file (MATRIX-Controller-Specification-v1.2.pdf)MATRIX Motor Controller Specification[ ]165 Kb09/10/14 09:18
Download this file (MATRIX_HTMotor_Spec_v2.pdf)MATRIX HT-Motor[ ]250 Kb02/10/14 08:53
Download this file (MATRIX_Motor_Spec_v2.pdf)MATRIX Motor[ ]245 Kb02/10/14 08:52
Download this file (tap_and_drill_chart_-_english.pdf)Tap & Drill Chart - English sizes[ ]115 Kb01/10/14 08:14
Download this file (Tetrix_DC_Motor_V1.pdf)Tetrix DC Motor[ ]122 Kb01/10/14 08:01
Download this file (Tetrix_DC_Motor_V2.pdf)Tetrix DC Motor V2[ ]1983 Kb01/10/14 08:02
Last Updated on Thursday, 30 October 2014 13:53
 
Servo Stall Currents PDF Print E-mail
Written by Evan Hollins   
Tuesday, 30 September 2014 17:23

A big rule change this year added the ability to use as big of a servo as possible while still staying under 5 amps per servo controller at stall. Unfortunately, many of the servos we commonly use didn't have documented stall currents. To find these, we contacted ServoCity™ and asked them what to do. They were able to talk to HiTec© and retrieve stall currents for many of the servos that they make. Here they are in a table shown below. 

We would like to thank ServoCity and HiTec for helping not just us but all of FTC! 

For Analog Servos:

SERVO

 

STALL CURRENT @ 4.8V

STALL CURRENT @ 6V

    

HS-35

 

360mA

430mA

HS-40

 

460mA

580mA

HS-45

 

440mA

 

HS-53

 

440mA

550mA

HS-55

 

440mA

550mA

HS-65

 

960mA

1200mA

HS-70

 

960mA

1250mA

HS-81/82

 

1450mA

1800mA

HS-311

 

700mA

800mA

HS-322

 

700mA

800mA

HS-485

 

1000mA

1200mA

HS-625

 

1600mA

2000mA

HS-645

 

1600mA

2000mA

HS-755

 

1500mA

1800mA

HS-765

 

1500mA

1800mA

HS-785

 

1500mA

1800mA

HS-805

 

4800mA

6000mA

HS-1425CR

 

640mA

800mA

 

 For Digital Servos: 

SERVO

 

STALL CURRENT @ 4.8V

STALL CURRENT @ 6V

HS-5035

 

360mA

430mA

HS-5055

 

500mA

700mA

HS-5065

 

960mA

1200mA

HS-5070

 

1000mA

1300mA

HS-5085

 

1700mA

2150mA

HS-5087

  

1450mA

HS-5485

 

1000mA

1200mA

HS-5495/96

 

1200mA

1400mA

HS-5565

  

2100mA

HS-5585

  

2100mA

HS-5625/45

  

2100mA

HS-5665/85

  

2100mA

HS-7235/45

  

1300mA

Attachments:
Download this file (2013_HRU_ServoMat_2.pdf)HiTec Servo Product Table[ ]3531 Kb01/10/14 07:22
Last Updated on Tuesday, 30 September 2014 21:29
 
World Championship Update PDF Print E-mail
Written by Joey   
Tuesday, 22 April 2014 22:17

We have just arrived in St. Louis, pulling up right in front of the NASA trailer! Wednesday is load in and judging, and Thursday, Friday, and Saturday are matches. Looking forward to seeing all of our friends from around the world and playing robots! We are in the Edison Division (will probably be listed as division 2 on the live stream page).

Live streams to all of the FTC events will be posted here.

 http://www3.usfirst.org/roboticsprograms/ftc/ftclive

Good luck to everyone competing this week! 

 

Last Updated on Friday, 10 October 2014 16:50
 
Build a Better Bot Workshop with Patronum Bots PDF Print E-mail
Written by The Cougars   
Wednesday, 18 September 2013 08:33

On August 31st we got together with the Patronum Bots at their home base in East Troy, Wisconsin to put on our Build a Better Bot workshop. It was an all day event, and 12 teams attended, coming from Wisconsin and surrounding states. Throughout the day, we discussed topics such as game and robot analysis, mechanical and wiring practices, and static electricity. Along with topics about the robot, we also went over scouting and showed teams how we pick teams at tournaments. Near the end of the day, we held an “open work time” with several stations of hands-on activities. These included double drilling channel, creating static spray, switching from tamiya connections to anderson powerpoles, and making static detectors.

Check out the videos in the Build a Better Bot workshop playlist created by the Patronum Bots. 

 

 

Attachments:
Download this file (FTC Workshop Wisconsin.pptx)FTC Workshop Wisconsin.pptx[The slide deck from our Build a Better Bot workshop, August 31 2013, in East Troy WI]96876 Kb13/09/13 08:38
Last Updated on Monday, 07 October 2013 07:48
 
Build a Better Bot workshop handouts & useful info PDF Print E-mail
Written by Jamie Diamond   
Monday, 16 September 2013 22:31

Attachments:
Download this file (HiTechnic Motor Controller Brief v1.3.pdf)HiTechnic Motor Controller Brief v1.3.pdf[ ]194 Kb16/09/13 22:36
Download this file (HiTechnic Servo Controller Brief v1.2.pdf)HiTechnic Servo Controller Brief v1.2.pdf[ ]168 Kb16/09/13 22:36
Download this file (HiTechnic Servo Controller Power Limits.pdf)HiTechnic Servo Controller Power Limits.pdf[ ]115 Kb16/09/13 22:36
Download this file (HS-485HB Servo - A.pdf)HS-485HB Servo - A.pdf[ ]182 Kb16/09/13 22:37
Download this file (HS-485HB Servo - B.pdf)HS-485HB Servo - B.pdf[ ]829 Kb16/09/13 22:41
Download this file (Motor Power Chart.pdf)Motor Power Chart.pdf[ ]29 Kb16/09/13 22:37
Download this file (TETRIX DC Motor Specs.pdf)TETRIX DC Motor Specs.pdf[ ]122 Kb16/09/13 22:37
Last Updated on Monday, 16 September 2013 22:41
 
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FTC Blog

FIRST Tech Challenge
The official FTC Blog
  • Is NEMO what you're looking for?

    Kathie Kentfield and Jenny Beatty at the 2014 New England District Championship in Boston

    NEMO(Non-Engineering Mentor Organization) was formed twelve years ago when three FIRST Robotics Competition mentors started exchanging information on Chief Delphi, an online forum for FIRST teams.  They realized that even though they were from different areas of the country (California, Connecticut, and Maryland) their teams were experiencing the same struggles – how to plan travel, raise funds, and recruit more mentors among others.  And although there were plenty of resources available for technical topics, not as much existed to support the mentors dealing with the non-technical areas.  They decided to form a virtual organization to provide resources and support to mentors like themselves.

    Jenny Beatty, co-founder, is the organization’s Chief Learning Officer.  Kathie Kentfield, also a co-founder, is the organization’s Director.  Together they run NEMO.  “But it’s not ‘our’ organization!” insists Kentfield.  “NEMO belongs to the mentors who contribute to it – via suggestions for white papers, facilitating NEMO meetings in their areas, and posting to our online forums.”  The group’s membership has included over 1000 registered mentors across all four FIRST programs, and includes international members as well.  They hold several meetings at local FIRST events throughout the year and a popular annual meeting at the Championships.  The NEMO website, www.firstnemo.org, contains a calendar of NEMO meetings and a resources page.  The resources include compilations of suggestions from mentors in the form of white papers and presentations.

    Kentfield says, “We start most meetings by asking the mentors what are their most pressing non-technical issues on the team this season – and without fail the response is usually lack of money and/or an issue that can be traced back to a lack of a good team organization plan.  You can’t have a sustainable, successful team without creating a strong foundation – and that takes work.  It’s great to start the conversation going and then sit back and listen to the great ideas that the mentors share with one another – that’s what NEMO is all about.”

    Beatty says "There is a misconception that you can only join NEMO if you aren't an engineer. NEMO welcomes non-technical mentors, as well as the engineering mentors and teachers. We've had support for the technical community and many of the contributors to our resource papers are engineers."

    NEMO is open to all college-age and adult mentors of all FIRST programs.  It is free to join.  To become a member of NEMO, visit http://www.firstnemo.org/join.htm.