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Reference: RBD-1354

Jumper Wire Single Medium

Length: 8.5 inches (Medium) Material: Copper Plated.EachPin Spacing: 2.54mm.Color: Colorfulcompatible with 2.54mm mil spacing pin headers.It can be used for PCB project, pc motherboard, etc.Allow you to plug and unplug easily for prototyping.Package Contents: 1 x Jumper Wire You will get only one pcs.

BDT 3

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Reference: RBD-984

Heat Shrink Tube

Heat Shrink Tubing 2:1, Eventronic Electrical Wire Cable Wrap Assortment Electric Insulation Heat Shrink Tube Kit (1 pcs) Please Choose Size Below

BDT 2

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Reference: RBD-245

Kiloohm (KΩ) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below:

BDT 5

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Reference: RBD-31

Jumper Wire 40 Pcs Set

3 Types Available 1. Male to Male 2. Male to Female 3. Female-Female

BDT 90

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Reference: RBD-766

Ohm (Ω) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below:

BDT 5

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Reference: RBD-761

Push Button Switch

BDT 5

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Reference: RBD-768

5 mm Red LED (Pack of 5)

BDT 5

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Reference: RBD-758

BC547 NPN Transistor

BDT 2

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Reference: RBD-94

Arduino Uno R3

Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.

BDT 670

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Reference: RBD-755

5 mm Green LED (Pack of 5)

BDT 5

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Robotics Arm EEZYbotARM MK1

Reference RBD-1163

This is a 3DPrinted robotic arm.
The design intent was to make something "easy" to make robotics arm
It uses Mini servos for driving the kinematics linkage and you can use Arduino and a decent power supply (2A) to program and drive it.
All the pieces are 3DPrinted in PLA.

(Not assembled, Mount Kit only, Servo Include

This is a mechanical kit only comes without assembling.

Package includes:

Included: 1x Robotics Arm
4x Mini Servo

**Controller and Power Supply is not included

BDT 6,599

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Free Ship Over 5000 BDT
Quality Product
No Warranty
No Replacement

Description

(Not assembled, Mount Kit only, Servo Include

This is a mechanical kit only comes without assembling.

Package includes:

Included: 1x Robotics Arm
4x Mini Servo

**Controller and Power Supply is not included

DESCRIPTION

This is a 3DPrinted robotic arm.
The design intent was to make something "easy" to build, and quite cheap.
It uses MG90S small servos for driving the kinematics linkage and a Pololu Mini Maestro 12 board to control the servos
All the pieces are 3DPrinted in ABS but any other material like PLA can be used
3D models in stl format can be downloaded for free from my account at Thinghiverse.
Detailed instruction at Instructables.
Demo video on YouTube.

NOTES

HARDWARE :
I used metric hardware and all joints rotate on M4 screws. (in alternative of M4 an #8-32 can be used)
Holes of the joints are designed quite tight. This to allow a fine adjust of their diameter using an exact drill bit.
On screws are to be used selflocking nuts. They are to be tightened till the locking of the joint, then consequently you have to loose them until you obtain a smooth movement with a low clearance between components.
On the two axis of the main arm I use a 4mm dia brass pipe, but this is not mandatory, also a threaded rod, works in the same way

SOFTWARE / FIRMWARE :
The purpose of the robot is to provide an educational tool wich allow making experiment with different control methods. I found very easy to use a Mini Maestro 12 Controller from Pololu, it is not very cheap but solve a lot of problems. You have to install drivers, a software and when connected to usb you're are immediately able to drive the servos choosing their speed and acceleration also. You can store the servo position to a sequence and when ready it can be played once or in a loop. Can also be stored in the internal script memory and it can be automatically played without computer connected.

MATERIALS

3D PRINTED PARTS LIST :

n 1 EBA_01.00.001.STL
n 1 EBA_01.00.002_vertical_drive_arm.STL
n 3 EBA_01.00.003_link.STL
n 1 EBA_01.00.004_forward_drive_arm.STL
n 1 EBA_01.00.005_horizontal_arm.STL
n 1 EBA_01.00.006_triangular_link.STL
n 2 EBA_01.00.009_servo_plate.STL
n 1 EBA_01.00.010_basement.STL
n 1 EBA_01.00.011_round_plate.STL
n 1 EBA_01.00.012_R01_claw_support.STL
n 1 EBA_01.00.013_R01_right_finger.STL
n 1 EBA_01.00.014_R01_left_finger.STL
n 1 EBA_01.00.015_drive_gear.STL
n 1 EBA_01.00.016_R01_driven_gear.STL
n 1 EBA_01.00.017_R01_ramp.STL (optional)
n 1 EBA_01.00.018_maestro_holder.STL (optional)
n 1 EBA_01.00.019_ball.STL (optional)

VITAMINES:
n* 3 Tower Pro MG90S servos
n* 1 SG90 servo (gripper) + 1 optional for the loop ramp
n 7 M4 self locking nuts
n 15 M4 washers
n 7 M3 nuts
n 1 M3 x 30 screw
n 2 M3 washers
n 4 M3 x 12 hex screw
n 2 M3 x 12 TCEI screw
n 2 M3 x 20 TCEI screw
n 5 M4 x 20 round hed hex recess screw
n 1 brass pipe dia 4 x 3 x 22 l
n 1 brass pipe dia 4 x 3 x 26 l

STEP 1

Connect two link arms (003) to the Triangular link (006). Keep the M4 round heads screws to the inner side like shown on image and selflocking nuts to the outer side.

STEP 2

Connect link (003) to the rear joint of the horizontal arm (005). The lower part of the link (003) is to be connected with the vertical drive arm (002) as shown. Between the two links interpose three M4 washer, this to better align them with the vertical arm Keep the M4 round heads screws to the inner side and self locking nuts outside.

STEP 3

Connect now the two preassembled links to the forward drive arm (004). Punt in position horizontal arm (005) and triangular link (006) aligned with the upper connection of the forward drive arm (004). Insert the dia 4 mm brass pipe crossing all the parts and fix it with the M3x30 screw, locked by the nut on the other side. Verify the freedom of movement and If everything is ok, proceed to the next step. .

STEP 5

Be sure that the servo is in the neutral position than install the double arm horn on the splined shaft keeping the arms parallel to the servo body Insert the horn inside the housing below the round plate and fix the servo to the plate using one of the two long screw supplied with the servo (the small one in too short due to the thickness of round plate) .

STEP 6

Put in position the base between the two shoulder on the plate and attach together using the two M3 screws and nuts. There two hexagonal housing below, so nuts will be kept in position during tightening

STEP 7

Align the servo and introduce the wiring in the central part of the basement. Gently pull the wire to make it straight while continue to push in it housing the servo The wire is then kept in position making it pass through a frontal hole .

STEP 9

Attach the servo to the claw support using the two self tapping screws supplied with the servo. Keep the output shaft forward.

STEP 10

Insert the horn in the driving gear, then attach the horn at the splined servo shaft using the supplied screw The horn has to be aligned forward with the servo in neutral position. Cut the exceeding part of the horn from gear using a cutter.

STEP 11

Insert an M3 screw in the central hole connect it to the claw support then tight the self locking nut checking the freedom of movement.

STEP 12

Insert the two pin of the driven gear into the dedicated holes on the left finger The driven gear has also a shoulder that has to be aligned with the lateral side of the finger. If you find difficulties coupling them, reduce interference using a file. Once coupled insert an M3 screw in the central hole and attach the finger to the claw support Now the gripper is ready to be installed on the horizontal arm of the EEzybot Verify freedom of movement of the gripper manually or using a servo tester
Video on YouTube. .

STEP 14

Now we have the three main sub assembly ready to be connected each other. Next step we will join the base with the main arms
To join the base with the main arms align the axis of the parts and insert from one side the brass pipe 24mm long. Also the short arm of the servo that drive the vertical movement has to be supported by the brass pipe as shown on the pictures. Check the freedom of movement .

STEP 15

Is time now to install the servo that drive the vertical movement of the arm. Put in the dedicate receptacles two M3x10 hex screw. The servo has to be in the neutral position with the horn at 90 degrees on the right side with the press plate (009) installed (Make the wiring pass through the dedicated enlargment). Introduce the servo angled in the square seat on the base plate and slide the horn in the shaped housing of the arm that drives the vertical movement. Fixt the press plate against the servo using two M3 nuts .

STEP 16

Sequence for the forward&backward driving servo is similar to the previous. In this case the servo horn has to be installed with the servo in neutral condition aligned vertically..

STEP 17

attach the latest link to the fixed arm on the rear side of the base using a M4x20 a washer and a selflocking nut

STEP 18

The last assembly step is to join the gripper to the horizontal arm as shown on the picture..

Product Details

Reference RBD-1163

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Reference: RBD-345

ESP8266 ESP-01 WIFI Wireless Transceiver Send Receive LWIP AP+STA M70

ESP8266 is a wifi SOC (system on a chip) produced by Espressif Systems. It is a highly integrated chip designed to provide full internet connectivity in a small package. This is a module based on ESP8266 chip. Please see supplied pinout photo and schematics for connectivity details. There is a lot of online resources available for this module.

BDT 200

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3S 11.1V 12.6V 25A W/Balance 18650 Li-ion Lithium Battery PCB Protection Board

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Reference: RBD-563

3S 25A Balance 18650 Lithium Battery BMS

3S 11.1V 12.6V 25A W/Balance 18650 Li-ion Lithium Battery PCB Protection Board Specification: Brand newSize: about 56mm*45mm*1.2mmOver voltage range: 4.25-4.35v±0.05vOver discharge voltage range: 2.3-3.0v±0.05vMaximum operating current: 0-25AMaximum transient current: 34-40AQuiescent current: less than 30uA

BDT 259

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Reference: RBD-394

Slip Ring - 6 Wire (1.5A) max 240V

Features: 6 wires Voltage: 210VDC / 240VAC Current Rating: 1.5A Operating Speed: 250RPM Compatible with data bus protocols Transfers analog and digital signals

BDT 1,500

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RS485 USB-485 Converter Adapter Support Win7 XP Vista Linux Mac OS

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Reference: RBD-566

RS485 USB-485 Converter Adapter Support Win7 XP Vista Linux Mac OS

BDT 1,000

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32 Channel USB UART Servo Motor Controller

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Reference: RBD-306

Torobot 32 Channel USB UART Servo Motor Controller

32 Channel USB UART Servo Motor Controller Application: Hexapod, Robotics Arm, Servo Drive This is the newly upgraded controller board. Up to 32 servo motors can be controlled at the same time, either by using a software on a PC, or UART communication ( TTL serial port) of MCU (51, AVR, ARM, FPGA, PIC, etc. to send commands to control the steering.

BDT 3,300

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Rover 5 Robot Platform 4 Motors 4 Encoders

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Reference: RBD-1256

Brand: SparkFun Electronics

Rover 5 Robot Platform 2 Motors 2 Encoders

Rover 5 Robot Platform 2 Motors 2 Encoders Description: If you’re looking for a base for your next robot, look no further than the Rover 5. The Rover 5 uses 2 independent motors, each with a hall-effect quadrature encoder and gearbox.

BDT 4,699

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Reference: RBD-655

Male Pin Header Single Row Long

Male Pin Header Single Row (40 Pin set) 40 Pin 2.54mm 20mm Long

BDT 25

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Reference: RBD-829

Metal Servo Horn

Disk type metal servo horn for MG945, MG996, MG995 and MG946 servos.

BDT 140

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Reference: 1810

L293D Shield for NodeMCU V2

This shield is designed for the NodeMCU V2 (narrow width), it comes with L293D motor driver and breakout the GPIO to headers for easy access when connecting to various sensor modules. With the L293D, this shield supports the control of two (2) brush motor, start, stop, brake, direction and also speed. The shield also extends the GPIO of NodeMCU to header...

BDT 185

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Reference: RBD-1409

Arduino Compatible Red Laser Diode Module

Need a red laser light for your latest project? Here it is! Everything you need to drive the laser diode is included on the board. Just connect it to 5VDC and you’re good to go! Use it with our light sensor module XC4446 to make a laser tripwire.• Operating Voltage: 5VDC• Output power: <1mW• Wavelength: 650nm (Red)• Dimensions: 45(W) x...

BDT 50

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Reference: RBD-1112

DIY 6DOF Aluminum Robot Arm 6 Axis Rotating Mechanical Robot Arm Kit

Type 1: 6DOF Robot Arm Kit with 6 PCS Servos Type 2: Robot Arm Kit with Control board, Claw, 8 PCS Servos Name: 6DOF Robot Arm Kit Type: DIY robot Degree: 6 degrees of freedom Material: Stainless steel For: 8 years old and above Size: 270*105*215mm Note: Unassembled Delivery, which required you with patience and hands-on ability. Assemble...

BDT 12,999

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Reference: RBD-189

Brand: DFRobot

Xbee Shield for Arduino (without Xbee)

Xbee Shield for Arduino (without Xbee) INTRODUCTION: The XBee Expansion Board is a compliant solution designed to meet low-cost, low-power wireless sensor networks with special needs.The module is easy to use, low power consumption, and the provision of critical data between devices reliable transmission.

BDT 1,200

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3D Prnted Robotics claw with servo motor

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Reference: RBD-268

Brand: RoboticsBD

3D Printed Robotics claw with servo motor

Description: Material: PLA (3D Printed)Claw max angle: 55mmLength: 108mmWidth: 98mm (streched)Color: Golden, Blue, Red Servo Motor: MG996R

BDT 1,500

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JoyStick 5Pin Breakout Module For Arduino

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Reference: RBD-393

JoyStick 5Pin Breakout Module For Arduino

Specification: Brand new Color: as picture shows Size: approx. 34 x 26 x 32mm (L x W x H) Quantity: 1pc PS2 joystick joysticks standard interface module electronic building blocks and 2.54mm pin interface leads

BDT 95

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Reference: RBD-313

RC522 RFID Card Reader Module Kit Android NFC supported

Specification: Module Name: MF522-ED Working current：13—26mA/ DC 3.3V Standby current：10-13mA/DC 3.3V sleeping current：<80uA peak current：<30mA Working frequency：13.56MHz Card reading distance ：0～60mm（mifare1 card） Protocol：SPI data communication speed：Maximum 10Mbit/s

BDT 185

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Reference: RBD-659

Digital Line Following Sensor - 8 Array

Digital Line Following Sensor - 8 Array. TCRT 5000 8 Array Line Detect Sensor, Single calibration variable/pot. Easy to Calibrate Optional I2C Mode (Require only 4 Wire) Sample Programming Code is available.

BDT 360

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DC 5V Stepper Motor + ULN2003 Driver Board (28BYJ-48) for Arduino

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Reference: RBD-573

DC 5V Stepper Motor + ULN2003 Driver Board (28BYJ-48) for Arduino

Voltage: 5VDiameter: 28mmStep angle: 5.625 x 1 / 64Reduction ratio: 1 / 64Stepper Motor Driver Board with ULN2003A, B, C, D four-phase LED indicates the status of the stepper motor workStepper motor with a standard interface, when used directly pluggable

BDT 250

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Reference: RBD-1575

5V 2 Channel Solid State Relay (SSR)

A two-channel relay module (HCMODU0115) featuring 2x G3MB-202P solid-state relays. This module is capable of switching AC voltages between 100 and 240V at up to a 2A current. The module can be controlled from a 5V digital source such as an Arduino microcontroller. A resistive type fuse is provided on the module to help protect excessive current draw.

BDT 355

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Reference: RBD-180

Brand: SparkFun Electronics

Makey Makey Kit

Description: This is the same product as the Makey Makey Standard Kit. The difference is this version comes in fancy clamshell packaging meant for our distributors that need it. Regular customers are welcome to order, but we want to limit the amount of extra packaging finding its way into the trash heap.

BDT 5,500

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60 RPM 12 Volt DC High Torque Gear Motor

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Reference: RBD-390

60 RPM 12 Volt DC High Torque Gear Motor

Features of 60 RPM High Torque 12 Volt DC Gear Motor: 60RPM 12V DC motors with Metal Gearbox and Metal Gears. 20000 RPM base motor. 6mm Dia shaft with M3 thread hole. Length 63 mm without shaft. Shaft length 30mm. 275gm weight. 20 kg cm torque. No-load current = 0.15 mA, Load current = upto 4 A(Max).

BDT 2,200

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GY-ML8511 Ultraviolet Light UV Sensor Module

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Reference: RBD-357

GY-ML8511 Ultraviolet Light UV Sensor Module

BDT 410

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Reference: RBD-258

Brand: SparkFun Electronics

SparkFun Micro OLED Breakout

BDT 1,800

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Reference: 1708

25 GA 6mm Hex coupling for Robot Smart Car Wheel 18 mm Length

Type: Hexagonal coupling. Material: brass. Inner diameter: 4 mm. Total length: 18 mm. Size of Hex Socket(Long Diagonal): 14mm Weight: 50gm

BDT 150

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Reference: RBD-1565

Robotic Arm Edge Kit

The Robotic Arm Edge Kit is a remote-controlled robotic arm kit with five degrees of freedom, a 3.5oz (100g) lifting capacity, and an LED light. Using five motors with gearboxes, the Edge has a 120° wrist motion, a 300° elbow motion, a 180° shoulder motion, a 270° base motion, and a 0-1.77" (0-4.5cm) gripping motion. This Robotic Arm Kit comes as...

BDT 7,999

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XBee 1mW Trace Antenna - Series 1 (802.15.4)

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Reference: RBD-166

XBee 1mW Trace Antenna - Series 1 (802.15.4)

Description: This is the very popular 2.4GHz XBee module from Digi. These modules take the 802.15.4 stack (the basis for Zigbee) and wrap it into a simple to use serial command set. These modules allow very reliable and simple communication between microcontrollers, computers, systems, really anything with a serial port! Point to point and multi-point...

BDT 2,350

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Reference: RBD-40

Arduino Bluetooth Module (HC-06)

BDT 330

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Slide Potentiometer 10K Linear Module Dual Output for Arduino

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Reference: RBD-922

Slide Potentiometer 10K Linear Module Dual Output for Arduino

BDT 350

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RC522 RFID Card Reader Module Kit Android NFC supported

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Reference: RBD-915

UART EM4100 RFID Card Reader RDM6300

Overview RDM6300 125KHz cardreader mini-module is designed for reading code from 125KHz card compatible read-only tags and read/write card . It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc.

BDT 279

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Reference: RBD-1329

Key Switch Small

Have you ever wanted to start your widget the same way you start your car? These small switches are the key to making that happen. This simple ON-OFF switch can be used to power up your project with the turn of a key. At only 14.6mm across the top and 23mm long, it won't take up much space in your project enclosure. While the datasheet does rate these...

BDT 95

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SSC-32 32Ch Servo Controller Lynxmotion Compatible

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Reference: RBD-703

SSC-32 32Ch Servo Controller Lynxmotion Compatible

BDT 3,400

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