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BrainCo STEM Kit Assembly Manual

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BrainCo STEM Kit
Assembly Guide
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Summary of Contents for BrainCo STEM Kit

  • Page 1 BrainCo STEM Kit Assembly Guide...
  • Page 2 Part # Item Picture Part # Item Picture Scissor Back Palm × 1 × 1 Screwdriver Front Wrist × 1 × 1 Type B Screw Back Wrist × 20 × 1 Type D Screw Servo Board × 10 × 1 AA Battery Wire Plate ×...
  • Page 3 Part # Item Picture Part # Item Picture Finger Piece Plastic Rivet × 14 × 20 Finger Hinge × 14 Black Latch × 1 （2 Types） Servo Motor × 5 UNO Board × 1 Type A Screw Data Cable × 5 ×...
  • Page 4 Part # Item Picture Part # Item Picture CR2025 Switch Cable × 1 × 1 Battery Power Cable Fishing Wire × 1 × 1 Jumper Cable × 1 IR Sensor × 1 IR Remote × 1 Bread Board × 1...

  • Page 5: Section 1: Building The Hand

    Section 1: Building the Hand...

  • Page 6: Types Of Screws

    Types of Screws Type A Type B Type C Type D...
  • Page 7 Thumb: indicated The Finger Pieces Are Grouped According with number “1” Index finger: To The Number Marked On The Top. indicated with number “2” Middle finger: indicated with number “3” Ring finger: indicated with number “4” Little finger: indicated with number “5”...
  • Page 8 Assemble the thumb by sliding the red, flexible joints into the grooves on the finger segments marked with “1”. Small Hinge × 1 Big Hinge × 1...
  • Page 9 1. Cut a piece of fishing wire for at least 35- inch long. 2. Insert the wire into the thumb towards the direction marked by the green arrows, starting from the bottom. 3. Ensure both ends have the same length.
  • Page 10 Assemble the index finger by sliding the red, flexible joints into the grooves on the finger segments marked with “2”. Small Hinge Small Hinge × 2 Big Hinge Big Hinge × 1...
  • Page 11 1. Cut a piece of fishing wire for at least 35-inch long. 2. Insert the wire into the index finger towards the direction marked by the green arrows, starting from the bottom. 3. Ensure both ends have the same length.
  • Page 12 Assemble the middle finger by sliding the red, flexible joints into the grooves on the finger segments marked with “3”. Small Hinge × 2 Big Hinge × 1...
  • Page 13 1. Cut a piece of fishing wire for at least 35-inch long. 2. Insert the wire into the middle finger towards the direction marked by the green arrows, starting from the bottom. 3. Ensure both ends have the same length.
  • Page 14 Assemble the ring finger by sliding the red, flexible joints into the grooves on the finger segments marked with “4”. Small Hinge × 2 Big Hinge × 1...
  • Page 15 1. Cut a piece of fishing wire for at least 35-inch long. 2. Insert the wire into the ring finger towards the direction marked by the green arrows, starting from the bottom. 3. Ensure both ends have the same length.
  • Page 16 Assemble the little finger by sliding the red, flexible joints into the grooves on the finger segments marked with “5”. Small Hinge × 2 Big Hinge × 1...
  • Page 17 1. Cut a piece of fishing wire for at least 35-inch long. 2. Insert the wire into the little finger towards the direction marked by the green arrows, starting from the bottom. 3. Ensure both ends have the same length.
  • Page 18 1. Place 3 servo motors in the bottom slots. 2. Make sure all wires go through the slots first .
  • Page 19 Use 6 Type C Screws...
  • Page 20 1. Install the remaining two servos from the bottom. 2. Watch out for the direction of the white part.
  • Page 21 Use 4 Type C Screws...
  • Page 22 The Finished Servo Board with Five Servos are Shown Below. Top View Bottom View...
  • Page 23 Use 3 Type B Screws Assemble the front palm and front wrist.
  • Page 24 Tighten the screws.
  • Page 25 Use 4 Type B Screws Secure the servo board on the front palm.
  • Page 26 1. Attach the acrylic board to the hand. 2. Pay attention to the orientation of the circled features. 3. Let the servo wires pass through the cutout on the acrylic board. 4. Tighten 3 screws. Use 3 Type B Screws...

  • Page 27: Section 2: Building The Control Box

    Section 2: Building the Control Box...
  • Page 28 1. Assemble the front and back board onto the bottom board and push firmly. 2.Pay attention to the circled features. Back (Wooden) Arrow Points to the Front Front (Transparent) Bottom (Wooden)
  • Page 29 No Slots 3 Slots Arrow Points to the Front Arrow Points to the Front 1. Assemble the right and left boards with BrainCo Logo cutout. 2. Pay attention to the arrows and other circled features.
  • Page 30 Place 1 bracket to each bottom corner 1. Insert 2 rivets from outside onto each bracket. of the control box. 2. Firmly push them all the way in.
  • Page 31 Assemble the corner brackets and rivets on 4 other Each bottom corner should look exactly corners in the control box, following the same steps. like the picture above after the fixation.
  • Page 32 1. Servos are Numbered from 1 to 5 from Servo 2- Index Finger Servo 1- Thumb Right to Left. 2. Each Servo Cable is Composed with Group of 3 Wires: a Brown Wire, a Red Wire and an Orange Wire. Servo 4- Ring Finger Servo 5- Little Finger Servo Cable...
  • Page 33 1. Orient the power supply chip as shown. 2. Plug the cables from servo 1 into the bottom 3 pins next to “S1” mark on the chip. 3. Make sure the brown wire is on the right side, orange wire on the left.
  • Page 34 1. Plug the cables from servo 2 into the 3 Plug in servos 3-5, following the same method. pins next to “S2” mark on the chip. 2. Make sure the brown wire is on the right side, orange wire on the left.
  • Page 35 1. Orientate the bread board as Shown in the Picture. 2. Use jumper wires, connect the top pins of the column of bread board to pins 5, 6, 9, 10, 11 on the microcontroller respectively. 3. Using jumper wires, connect the penultimate pins of the 13 - 15 column of bread board to...
  • Page 36 Insert 3 pins of the IR sensor into the holes on the bread The actual circuit is shown above. board indicated by the dark blue dots.
  • Page 37 Orient the power supply chip as above and plug the bottom pins into the holes on the breadboard The actual circuit is shown above. indicated by the dark blue dots.
  • Page 38 “O” is on the left and “—” is on the right 1. Insert the switch cable into the back board of the control box. 2. Pay attention to the orientation of the marks. 3. Firmly push the switch all the way in.
  • Page 39 1. Put 4 AA batteries in the battery case, where “-” side of the batteries should be attached to the springs. 2. Connect the battery case to the switch cable.
  • Page 40 1. Connect the round end of the power cable to the microcontroller as indicated by the thick arrow. 2. Connect the white male socket of the power cable to the female socket on the power supply chip as indicated by two thin arrows.
  • Page 41 1. Arrange all circuit parts within the control box as above. 2. Make sure the rounded side of the IR sensor faces front. 3. Plug the round end of switch cable into the power supply chip as indicated by the arrow.
  • Page 42 The control box assembly is complete!

  • Page 43: Section 3: Connecting The Fishing Wires

    Section 3: Connecting the Fishing Wires...
  • Page 44 Turn on the Switch on the Back of the Control Box and Make Sure the Microcontroller Light is On 1.Place the white arms on all servos, pointing straight up. 2. Tighten all screws. Use 5 Type A Screws...
  • Page 45 Servo board installation is complete. You can turn off the control box.
  • Page 46 Insert the thumb assembly all the way into the slot on the palm.
  • Page 47 Following the green arrow, insert the fishing wires into the hole indicated.
  • Page 48 1. Place the index finger (2), middle finger(3), ring finger(4) and little finger(5) near the palm assembly. 2. Following the green arrows, insert fishing wires into the holes indicated.
  • Page 49 Place all fingers and the wire plate on the slots.
  • Page 50 Make sure the sides of the wire plate fit in the slot.
  • Page 51 Thread all fishing wires through the holes respectively on the wire plate, as indicated in the picture.
  • Page 52 Use 8 Type D Screws 1. Place the back palm on the palm assembly. 2. Tighten the screws.
  • Page 53 1. After threading the wires through the holes, insert one wire into the top hole on the white servo arm, and the other wire into the second hole. Do the same for all other servos. 2. Tighten 2-3 knots to secure the wires 3.
  • Page 54 1. Place the back wrist on the palm assembly. 2. Tighten the screws. Use 2 Type B Screws...
  • Page 55 1. Place the hand assembly on the control box and lock it by pushing to the left. 2. Install the black latch on top of the back board as shown in the pictures to secure the hand assembly. Firmly push the latch all the way in.
  • Page 56 Congratulations! Your Robotic Hand is Finished!

This manual is also suitable for:

Stem