DIY 3DOF Arm Manipulator Kit | Robotics Kit Without Servo Motors

Key Features

1. 3 Degrees of Freedom (DOF):
   • Base rotation
   • Shoulder joint movement
   • Elbow joint movement
2. Construction Material:
   • High-strength aluminum alloy for the main frame.
   • ABS or acrylic parts are needed for additional support (depending on the kit).
3. Servo Motors:
   • Number of Servos: 3 High-Torque Servos (one for each axis).
   • Typical Servos Used:
     • MG996R / MG995 Servo for heavy load joints (torque ~ 10-15 kg·cm).
     • SG90 Micro Servo for smaller joints if applicable.
   • Operating Voltage: 4.8V – 6.6V
   • Features: Metal gear servos for durability and precision.
4. Base Plate:
   • Material: Acrylic/metal with pre-drilled mounting holes.
   • Stable design to prevent wobbling during operation.
5. End Effector (Gripper):
   • Servo-powered mechanical gripper to pick up objects.
   • Adjustable claw width: typically 0-55mm.
6. Control System:
   • Compatible Microcontrollers: Arduino Uno, Mega, or Raspberry Pi.
   • Control Input:
     • Joystick module for manual control.
     • Option for pre-programmed control via software.
   • Communication:
     • USB interface for PC programming.
     • PWM control for servo motors.
7. Power Requirements:
   • External power source: 6V to 7.4V (for servos).
   • Optional battery pack for portable operation.
   • Payload Capacity:
     • Up to 300g depending on the servo motor power.
8. Arm Dimensions:
   • Base Diameter: ~12-15cm
   • Arm Length: ~20-30cm (combined shoulder and elbow segments).
   • Height: ~30-35cm (when fully extended).
9. Assembly:
   • Pre-drilled and labeled parts for easy assembly.
   • Includes all mounting screws, brackets, and tools required.
   • Instruction manual with step-by-step assembly diagrams.
10. Applications:
    • Robotics education and training.
    • DIY and STEM projects.
    • Automation simulation and hobby applications.
11. Weight:
    • Kit weight: ~1.5-2 kg (depending on material).

Package Contents:

1. Aluminum frame parts (pre-cut and labeled)
2. Mechanical gripper
3. Base mounting plate
4. Servo brackets and screws

DIY 3DOF Arm Manipulator Optional Upgrades:

• 4DOF Configuration: Additional servo for wrist movement.
• Wireless Control Module: Bluetooth or Wi-Fi module.
• Sensors: IR or ultrasonic sensors for obstacle avoidance.

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DIY 3DOF Arm Manipulator Kit | Robotics Kit Without Servo Motors
darazsales

24v Relay 4 Channel Module

Specifications:

• Number of Channels: 4
• Relay Type: Electromechanical relay
• Control Voltage: 24V DC
• Relay Contact Rating:
  • AC: 250V AC at 10A
  • DC: 30V DC at 10A
• Isolation: Optocoupler isolation between control circuit and relay

Input Specifications:

• Input Voltage: 24V DC (to control the relays)
• Trigger Current: Typically around 20mA to 30mA per channel
• Trigger Type: Active Low (relays are triggered by grounding the input)
• Optocoupler Isolation: Each relay channel is isolated using an optocoupler for better noise immunity.

Output Specifications:

• Relay Contact Type: Normally Open (NO) and Normally Closed (NC)
• Max Switching Voltage: 250V AC, 30V DC
• Max Switching Current: 10A per channel
• Contact Material: Silver alloy for high durability

Mechanical Specifications:

• Board Dimensions: Typically around 75mm x 55mm x 20mm (may vary by manufacturer)
• Mounting Holes: Provided for screw mounting
• Connector Type:
  • Input: 4-pin terminal block for control signals (VCC, GND, IN1, IN2, IN3, IN4)
  • Output: 3-pin terminal block per relay (Common, Normally Open, Normally Closed)

Environmental Specifications:

• Operating Temperature: -40°C to +85°C
• Storage Temperature: -55°C to +125°C
• Humidity Range: 5% to 95% RH (non-condensing)

Features:

• LED Indicators: Each relay channel has an LED indicator to show the status of the relay (ON/OFF).
• Optocoupler Isolation: Provides isolation between the control signal and the relay for protection against voltage spikes and noise.
• High-Quality Relay: Ensures reliable switching with a long operational lifespan.

Power Specifications:

• Power Supply for Relay Board: 24V DC
• Power Consumption: Typically 75mA to 100mA per active relay

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24v Relay 4 Channel Module
darazsales

Raspberry Pi 4 Model B 2GB

The Raspberry Pi 4 Model B 2GB is a powerful and versatile single-board computer designed to provide desktop-level performance and flexibility in a compact and affordable package. With its upgraded hardware and enhanced capabilities, it stands out as an ideal platform for a wide range of applications, from educational projects to professional and industrial use cases.

Specifications:

• Processor: Broadcom BCM2711, quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
• Memory: 2GB LPDDR4-3200 SDRAM

Networking:

• Wireless LAN: Dual-band 802.11.b/g/n/ac (2.4GHz and 5GHz)
• Bluetooth: Bluetooth 5.0, Bluetooth Low Energy (BLE)
• Ethernet: Gigabit Ethernet

Ports:

• USB Ports: 2 x USB 3.0, 2 x USB 2.0
• HDMI: 2 x micro HDMI ports supporting resolutions up to 4Kp60
• GPIO: 40-pin GPIO header
• Camera Interface: 2-lane MIPI CSI
• Display Interface: 2-lane MIPI DSI
• Audio/Video Output: 4-pole stereo audio and composite video port

Storage:

• Storage: MicroSD card slot for loading operating system and data storage

Video and Sound:

• Video: H.265 (4Kp60 decode), H.264 (1080p60 decode, 1080p30 encode), OpenGL ES 3.0 graphics
• Audio: Digital audio via HDMI, analog audio via 3.5mm jack

Power:

• Power Supply: 5V/3A DC via USB-C connector
• Power over Ethernet (PoE): Enabled (requires separate PoE HAT)

Miscellaneous:

• Dimensions: 85.6mm x 56.5mm x 17mm
• Operating Temperature: 0-50°C ambient

• Connectivity:
  • Dual-band 802.11.b/g/n/ac wireless LAN (2.4GHz and 5GHz)
  • Bluetooth 5.0, Bluetooth Low Energy (BLE)
  • Gigabit Ethernet (true Gigabit speed)
  • 2 x USB 3.0 ports and 2 x USB 2.0 ports for faster data transfer and peripheral connectivity
• Video and Display:
  • Dual micro-HDMI ports support up to 4Kp60 resolution, enabling dual-monitor setups
  • H.265 (4Kp60 decode), H.264 (1080p60 decode, 1080p30 encode)
  • OpenGL ES 3.0 graphics
• Storage: MicroSD slot for operating system and data storage, supporting high-speed storage solutions.
• Expansion: 40-pin GPIO header for interfacing with various sensors, modules, and electronic components, making it a perfect tool for DIY electronics projects and prototyping.
• Power: USB-C power supply, with a recommended 5V/3A power source to ensure stable operation under load.

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Raspberry Pi 4 Model B 2GB
darazsales

Raspberry Pi 3 Model B (1GB) Detailed Specifications

Processor (SoC):

• Broadcom BCM2837 ARM Cortex-A53
  • Architecture: 64-bit quad-core
  • Clock Speed: 1.2 GHz
  • Instruction Set: ARMv8-A

Memory (RAM):

• 1GB LPDDR2 SDRAM

Graphics Processing Unit (GPU):

• Broadcom VideoCore IV
  • Support for OpenGL ES 2.0 and OpenVG
  • H.264 decode (1080p30) and encode (1080p30)
  • Graphics Core Frequency: 400 MHz

Networking:

• Ethernet: 10/100 Mbps (Fast Ethernet)
• Wi-Fi: 802.11n (2.4 GHz, onboard Wi-Fi)
• Bluetooth: Bluetooth 4.1 (Bluetooth Low Energy – BLE)

USB Ports:

• 4 x USB 2.0 Ports (with a maximum combined throughput of 480 Mbps)

Storage:

• MicroSD Slot for booting and storage (supports SDHC and SDXC cards)

Power:

• 5V/2.5A via Micro USB (recommended power supply)
• GPIO: 5V and 3.3V pins on the GPIO header can supply small amounts of power to peripherals.

Video Output:

• HDMI: Full-size HDMI port
  • Supports 1080p output
• Composite Video: Via 3.5mm TRRS jack (shared with audio)
  • Supports both analog audio and composite video output
• Display Interface (DSI): 15-pin flat flex connector for Raspberry Pi touchscreen display

Audio Output:

• 3.5mm TRRS jack for stereo audio
• HDMI digital audio output

Camera Interface:

• CSI: 15-pin flat flex connector for Raspberry Pi camera module

General Purpose Input/Output (GPIO):

• 40-pin GPIO header (with UART, SPI, I²C, and PWM support)
• Pin Layout:
  • 2x 5V power pins
  • 2x 3.3V power pins
  • 8x ground pins
  • 26 GPIO pins for general use (includes UART, I²C, SPI, etc.)

Other Connectivity:

• UART: 1x UART
• SPI: 2x SPI
• I²C: 1x I²C bus
• PWM: Available via GPIO pins

Physical Dimensions:

• Dimensions: 85.6mm x 56.5mm x 17mm (L x W x H)
• Weight: 45g (approx.)

Operating System:

• Official OS: Raspberry Pi OS (formerly Raspbian)
• It supports other OSes, such as Ubuntu, Windows 10 IoT Core, LibreELEC, OSMC, etc.

Power Consumption:

• Typical power consumption: 2.5W to 5W depending on use (without peripherals)

Additional Features:

• LED indicators: Power, Activity, Ethernet (Link and Activity)
• Heat dissipation: Passive cooling (no fan, but optional heatsinks can be attached)

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Raspberry Pi 3 Model B 1GB
darazsales

Underwater Thruster 7Kg(15.4LB) Thrust Propeller Propulsion With Bi-Directional ESC For Boat ROV Paddle Boar ApisQueen U5 12-24V

underwater Thruster 7Kg(15.4LB) ESC For Boat ROV Paddle Boar
lahiru Dhananjaya

Voltage To Current Module 0-5V to 0 -20mA Converter Module

• Power supply voltage: DC 12V~24V.
• Input voltsge signal: 0~5V.
• Output current: 4-20mA.
• Module size:5.5*2.5cm
• Zero and span can be adjusted (potentiometer adjustment).
• with the isolated nature of the non-optically isolated.

Package Include:

1 x Voltage to Current Transmitter Signal

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Voltage To Current Module 0-5V to 0 -20mA Converter Module
darazsales

Heltec IOT Accessory CubeCell Lora Node ASR6502 LoRaWAN node applications for arduino with Antenna 1/2AA battery case 868 915MHZ

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Lora Node ASR6502 IOT Accessory CubeCell
lahiru Dhananjaya

Industrial Pressure Sensor (0bar – 500mbar)

RS PRO Industrial Pressure Sensors – IPSL Series

These IPSL-series Pressure Sensors, also known as pressure transmitters from our own RS PRO brand are suitable for wide range of industrial applications. These devices change pressure forces into electrical signals. They are used to measure the pressure of the specific quantity like air, water and gas by changing the pressure into electrical energy. The probe uses a piezo-resistive ceramic sensor, giving excellent media compatibility within a stainless-steel housing.

Features and Benefits

Material Specifications

Applications

Characteristics

The electronics incorporate a microprocessor-based amplifier, requiring no adjustments and giving stable electronics, especially for industrial applications. The device is temperature compensated, calibrated and supplied with a traceable serial number and calibration data.

RS PRO

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO Seal of Approval if we’re confident of their exceptional quality, which means you can be confident too.

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Industrial Pressure Sensor (0bar – 500mbar)
lahiru Dhananjaya

SIM7000G IoT breakout Module with GPS

IoT Module SIM7000G is a cutting-edge device designed to enable seamless connectivity for Internet of Things (IoT) applications. With its advanced features, including global coverage, low power consumption, and high-speed data transfer, this module is ideal for a wide range of IoT applications, from smart homes to industrial automation.

SIM7000G IoT breakout Module with GPS
lahiru Dhananjaya

PLC industrial Control Module FX3U-48MT

LE3U 48MT——24 point input 24 Transistor outputs , 6 analog inputs(3 channcel o-v10,3 channel 0-20mA), 2 analog outputs(0-10V),X0-X5 High speed input 12k

1.  3  channel  AB input,
2. Support 1N, 2N, 3U instruction
3. Program 8,000 steps,
4. The download speed 38400
5. Support Mitsubishi GX-Develoer, GX-WORK2
6. Support HMI

connection, the application is completely identical to the Mitsubishi FX3U.

The PLC with industrial-grade 32-bit MCU, and run much faster than Mitsubishi FX3U.

The PLC baud rate to 38400

Note :  since the international air does not allow the hair contains flammable and explosive goods, so the unity does not contain the battery delivery, thank you for understanding!

The clock module explains: when setting the clock, the M8015 should be set and restores the M8015 reset. D8018 is for year, D8017 is month, D8016 is day, D8019 is week, D8015 is hour, D8014 is minute, D8013 is second. The clock data can be read by the clock data TRD to read the clock data to the general register, or to modify the clock with the clock writing instruction TWR, using this instruction without the position M8015

Package include:

1 x PLC industrial Control Module FX3U-48MT

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PLC industrial Control Module FX3U-48MT
lahiru Dhananjaya