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

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  • Candy-Making Robots!


     You know it’s almost Halloween when the candy corn starts appearing. The iconic Halloween treat starts showing up at school, at home, and all over the grocery stores. Candy corn was first invented in the 1880s by George Renninger of the Wunderlee Candy Company in Philadelphia, PA. The Goelitz Candy Company started making candy corn in 1900 and still makes it today, although the name has changed to the Jelly Belly Candy Company. When the Goelitz Confectionery Company first produced candy corn, it was called "Chicken Feed". The boxes were illustrated with a colorful rooster logo and a tag line that read "Something worth crowing for." Originally, the cornstarch and sugar mixture was stirred and poured by hand color by color into wooden molds. Today the process is managed by computers and handled by machines.

    Candy corn is manufactured using a process referred to by confectioners as starch casting. In this process, the shape of a candy or a candy center is formed by making impressions in a powder called cornstarch. The filling of each of these separate impressions is filled with liquid candy. Starch is an effective material because it easily retains specific shapes. Cornstarch also helps to remove moisture from the candy as it dries. Much of the candy making process, including the starch casting, occurs within a special candy-making machine called a Mogul. The Mogul is responsible for moving the candy through the process of formation along a conveyor belt; putting cornstarch into plastic trays; making candy corn shaped impressions; depositing the liquid candy corn (prepared in three separate batches by color); and stacking the trays of candy. The stacked trays are then sent to the "dry rooms" to set.

    These wet candy corns must have the moisture removed from them in order to be separated easily from the molds. Thus, the trays sit in the dry rooms between 24-36 hours, depending on the batch of candy and the weather or humidity surrounding the factory. The longer the candy sits in these rooms, the drier they become. Moisture levels are tested to ensure the candy corn includes just the right amount of water.

    The candy corn, still in the trays, is conveyed back to the Mogul. This machine then turns the trays completely over, dumping the candy and the cornstarch out of the trays. Then, the candy and the cornstarch are separated from one another. The candy is sent to the next processing point. However, the cornstarch is transferred to a sifter that removes any bits of candy corn, then is sent to the drying drum, which removes the moisture from the starch. The corn starch is sifted a final time, then is sent back to the Mogul for use in molding more candies.
    The candy corn is not yet done! It needs to be polished before it is sent to the packaging machines, which automatically weigh the candy, put it in bags, seal each bag, and put the candy into cases for shipping. According to the National Confectioners Associations, candy companies will produce nearly 35 million pounds of candy corn a year. That’s about 9 billion individual kernels of corn. Surprisingly, 


    Candy corn is one of the healthier candies of the Halloween season. It contains roughly 28 grams of sugar and only 140 calories per heaping handful -- and it's fat free. October 30this national Candy corn day, make sure you celebrate in style!

    Similar “Real World Robots” articles will be appearing every month on the FIRST Tech Challenge blog. Be sure to check back to see the other ways robots are at work in our lives, besides the FTC competition field!