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

HiTechnic & Matrix Controllers

FTC Motors

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 (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 Sunday, 12 October 2014 21:47
 
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
  • Sarah Fogwell: Nerdy done right.
    FIRST is a community that allows for a lifetime of opportunities to become involved. For Sarah Fogwell, her volunteering career started early. As a 7thgrader, Sarah stepped in and found a way to do more than just compete during the FIRST Tech Challenge season. She reached out and had a fellow volunteer teach her “the field control system and set up, and [she] took off from there.”

    “My first thoughts about volunteering at a robotics competition were, whoa, I went from competing to now running competitions, how much nerdier can I get?” But that's not how the rest of the world sees Sarah. JoAnn Halloran, FTC Program Manager, describes Sarah as someone who shows "willingness to step out of her comfort zone, to lend a hand, to try new things and to encourage those around her to do the same. She is a remarkable team member, and an even more remarkable volunteer."

    When asked to name one of the highlights from her volunteer experience, she recalls her first year at World Championship. “I knew some of the other volunteers from my state and enjoyed working with them but there were A LOT of new faces that I didn’t recognize. I am now great friends with state partners in Iowa, Mississippi, Florida, etc. They could NOT have been any nicer to me as a “first year”er out there and made me feel like I fit in with them. I have now been out to Champs every year since 2010.”

    That ease in which FIRSTvolunteers welcome her in is one of the big draws to volunteering for her. She encourages others who might be interested to just start volunteering. “Though you may feel awkward at first, there is no better feeling in the world than walking into a competition after five years and counting and have all teams AND volunteers know your name.”

    She sums up FIRST eloquently, stating, “FIRSTis something that can change your life. Whether you want to go into a STEM related career, or writing or even undeclared, there is a spot for you in FIRST. The community is so open and welcoming to everyone and anyone who wants to spend time doing the things they love. I would not give up the time I have had with FIRST and the community for the world."