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Arduino Mega 2560 CH340 Robotics Bangladesh
  • Arduino Mega 2560 CH340 Robotics Bangladesh
  • Arduino Mega 2560 CH340 Robotics Bangladesh
  • Arduino Mega 2560 CH340 Robotics Bangladesh

Arduino Mega 2560 CH340

RBD-1397
  • Programmer: CH340
  • Operating Voltage 5V
  • Input Voltage (recommended) 7-12V
  • Input Voltage (limits) 6-20V
  • Digital I/O Pins 54 (of which 15 provide PWM output)
  • Analog Input Pins 16
  • DC Current per I/O Pin 40 mA
  • DC Current for 3.3V Pin 50 mA
  • Flash Memory 256 KB of which 8 KB used by bootloader
BDT 1,499
rating Read the 8 reviews
Average rating: 5/5 - Number of reviews: 8
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75 items in stock
  • Store Pickup Available! Store Pickup Available!
  • Free Ship Over 5000 BDT Free Ship Over 5000 BDT
  • Quality Product Quality Product
  • No Warranty No Warranty
  • No Replacement No Replacement

The ATmel MCU ATMEGA16U2 MEGA 2560 R3 Improved Version CH340G Board is a micro-controller board base on the ATmega2560. It has a USB host interface to connect with Android based phones, base on the MAX3421e IC. RoboticsBD

It has 54 digital input/output pins (of which 15 can be used as PWM outputs); 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator; a USB connection, a power jack, an ICSP header, and a reset button. The MEGA ADK is base on the Mega 2560. Similar to the Mega 2560 and Uno, it features an ATmega8U2 program as a USB-to-serial converter. Revision 3 of the Mega ADK board has a resistor pulling the 8U2 HWB line to ground, making it easier to put into DFU(Device Firmware Upgrade) mode. RoboticsBD

The board has the following new features:

  • 1.0 pin-out: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In the future, shields will be compatible both with the board that uses the AVR, which operate with 5V and with the Arduino Due that operates with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
  • Stronger RESET circuit.

The Mega Arduino R3 Android Accessory Development Kit (ADK) can be power via the USB connection or with an external power supply. The power source is select automatically. External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a 2.1mm center-positive plug into the board’s power jack. RoboticsBD

Leads from a battery can be inserted in the GND and Vin pin headers of the POWER connector. Because the Mega R3 Android Accessory Development Kit (ADK) is a USB Host, the phone will attempt to draw power from it when it needs to charge. When the ADK is power over USB, 500mA total is available for the phone and board.

Difference USB controller version:

Because Atmel is moving more and more of their production capacity to surface mount ICs, the DIP packaged ATmega is becoming more and more difficult to get. The board is identical to the PTH version of the Uno, but you won't be able to remove the ATmega without some hot-air. This change shouldn't affect most users. Besides - when was the last time you managed to destroy an ATmega and needed to repair an Arduino board? Those things are nearly indestructible. Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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*Please note that the boards have a CH340G USB-Controller rather than ATmega16 like regular MEGA2560. They are recognized on Linux without any additional drivers. Mac OS and Windows users may need to install an additional driver. RoboticsBD

Features :

Arduino Mega 2560 Improved version CH340G Board:
  1. Programmer: CH340
  2. Operating Voltage 5V
  3. Input Voltage (recommended) 7-12V
  4. Input Voltage (limits) 6-20V
  5. Digital I/O Pins 54 (of which 15 provide PWM output)
  6. Analog Input Pins 16
  7. DC Current per I/O Pin 40 mA
  8. DC Current for 3.3V Pin 50 mA
  9. Flash Memory 256 KB of which 8 KB used by bootloader
  10. SRAM 8 KB
  11. EEPROM 4 KB
  12. Clock Speed 16 MHz

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General Specification
Input Voltage (recommended) 7-12V
Digital I/O Pins 54 (of which 15 provide PWM output)
Analog Input Pins 16
Flash Memory 256 KB of which 8 KB used by boot-loader.
Microcontroller ATmega2560
Country of Origin/Manufacture China
PWM Output Pins 14
Dimensions (mm) LxWxH 110 x 53 x 15 mm.
Weight (gm) 35
Shipment Weight 0.037 kg
Shipment Dimensions 10.5 × 5.5 × 1.5 cm

Please allow 5% measuring deviation due to manual measurement.

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Power
The external power regulator can supply up to 1500mA. 750mA is available for the phone and MEGA ADK board. An additional 750mA is allocated for any actuators and sensors attached to the board. A power supply must be capable of providing 1.5A to use this much currentThe board can operate on an external supply of 5.5 to 16 volts. If supply with less than 7V, however, the 5V pin may supply less than five volts and the board may be unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts. The power pins are as follows:

  • VIN. The input voltage to the Arduino board when it’s using an external power source (as opposed to 5 volts from the USB connection or another regulated power source). You can supply voltage through this pin, or, if supplying voltage via the power jack, access it through this pin.
  • 5V. This pin outputs a regulated 5V from the regulator on the board. The board can be supply with power either from the DC power jack (7 – 12V), the USB connector (5V), or the VIN pin of the board (7-12V). Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. We don’t advise it.
  • 3V3. A 3.3 volt supply generated by the onboard regulator. Maximum current draw is 50 mA.
  • GND. Ground pins.
  • IOREF. This pin on the Arduino board provides the voltage reference with which the microcontroller operates. A properly configured shield can read the IOREF pin voltage and select the appropriate power source or enable voltage translators on the outputs for working with the 5V or 3.3V.

Memory

The Mega R3 Android Accessory Development Kit (ADK) has 256 KB of flash memory for storing code (of which 8 KB is used for the bootloader); 8 KB of SRAM and 4 KB of EEPROM (which can be read and written with the EEPROM library).

Input and Output

Each of the 50 digital pins on the Mega R3 Android Accessory Development Kit (ADK) can be used as an input or output; using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive a maximum of 40 mA . has an internal pull-up resistor (disconnect by default) of 20-50 kOhm. In addition, some pins have specialized functions:

      • Serial : 0 (RX) and 1 (TX), Serial 1: 19 (RX) and 18 (TX), Serial 2: 17 (RX) and 16 (TX), Serial 3: 15 (RX) and 14 (TX). Use to receive (RX) and transmit (TX) TTL serial data. Pins 0 and 1 are also connected to the corresponding pins of the ATmega8U2 USB-to-TTL Serial chip.
      • External Interrupts: 2 (interrupt 0), 3 (interrupt 1), 18 (interrupt 5), 19 (interrupt 4), 20 (interrupt 3), and 21 (interrupt 2). These pins can be configured to trigger an interrupt on a low value, a rising or falling edge, or a change in value. See the attachInterrupt() function for details.
      • PWM: 2 to 13 and 44 to 46. Provide 8-bit PWM output with the analogWrite() function.
      • SPI: 50 (MISO), 51 (MOSI), 52 (SCK), 53 (SS). These pins support SPI communication using the SPI library. The SPI pins are also broken out on the ICSP header, which is physically compatible with the Uno, Duemilanove, and Diecimila.
      • USB Host: MAX3421E.

MAX3421E
  • communicate with Arduino with the SPI bus. So it uses the following pins:
  • Digital: 7 (RST), 50 (MISO), 51 (MOSI), 52 (SCK).
    Note: Please do not use Digital pin 7 as input or output because is used in the communication with MAX3421E
  • Non broken out on headers: PJ3 (GP_MAX), PJ6 (INT_MAX), PH7 (SS).
  • LED: 13. There is a built-in LED connected to digital pin 13. When the pin is HIGH value, the LED is on, when the pin is LOW, it’s off.
  • TWI: 20 (SDA) and 21 (SCL). Support TWI communication using the Wire library. Note that these pins are not in the same location as the TWI pins on the Duemilanove or Diecimila.

The Mega R3 Android Accessory Development Kit (ADK) has 16 analog inputs, each of which provides 10 bits of resolution (i.e. 1024 different values). By default, they measure from ground to 5 volts, though is it possible to change the upper end of their range using the AREF pin and analogReference() function. There are a couple of other pins on the board:

  • AREF. Reference voltage for the analog inputs. Use with analogReference().
  • Reset. Bring this line LOW to reset the micro-controller. Typically used to add a reset button to shields which block the one on the board.

Communication

The Mega R3 Android Accessory Development Kit (ADK) has a number of facilities for communicating with a computer, another Arduino, or other micro-controllers. The ATmega2560 provides four hardware UARTs for TTL (5V) serial communication. An ATmega8U2 on the board channels one of these over USB and provides a virtual com port to software on the computer (Windows machines will need a .inf file, but OSX and Linux machines will recognize the board as a COM port automatically. The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the board.

The RX and TX LEDs on the board will flash when data is being transmitted via the ATmega8U2/16U2 chip and USB connection to the computer (but not for serial communication on pins 0 and 1). A Software-serial library allows for serial communication on any of the MEGA ADK’s digital pins. The ATmega2560 also supports TWI and SPI communication. The Arduino software includes a Wire library to simplify the use of the TWI bus, see the Wire library for details. For SPI communication, use the SPI library.

The USB host interface given by MAX3421E IC allows the Arduino MEGA ADK to connect and interact to any type of device that has a USB port. For example, allows you to interact with many types of phones, controlling Canon cameras, interfacing with keyboard, mouse and games controllers as Wiimote and PS3.

Programming

The Mega R3 Android Accessory Development Kit (ADK) can be the program with the Arduino software (download). For details, see the reference and tutorials. The ATmega2560 on the MEGA ADK comes preburn with a boot-loader (the same on Mega 2560) that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500v2 protocol (reference, C header files).

You can also bypass the bootloader and program the microcontroller through the ICSP (In-Circuit Serial Programming) header using Arduino ISP or similar; see these instructions for details. The ATmega8U2 firmware source code is available in the Arduino repository. The ATmega8U2 is load with a DFU bootloader, which can be activated by:

  • On Rev1 boards: connecting the solder jumper on the back of the board (near the map of Italy) and then resetting the 8U2.
  • On Rev2 or later boards: there is a resistor that pulling the 8U2/16U2 HWB line to ground, making it easier to put into DFU mode. You can then use Atmel’s FLIP software (Windows) or the DFU programmer (Mac OS X and Linux) to load a new firmware. Or you can use the ISP header with an external programmer (overwriting the DFU bootloader). See this user-contributed tutorial for more information.

Automatic (Software) Reset

Rather then requiring a physical press of the reset button before an upload, the Arduino MEGA ADK is designed in a way that allows it to be reset by software running on a connected computer. One of the hardware flow control lines (DTR) of the ATmega8U2 is connected to the reset line of the ATmega2560 via a 100 nano-farad capacitor. When this line is asserted (taken low), the reset line drops long enough to reset the chip. The Arduino software uses this capability to allow you to upload code by simply pressing the upload button in the Arduino environment.

This means that the boot-loader can have a shorter timeout, as the lowering of DTR can be well-coordinated with the start of the upload. This setup has other implications. When the MEGA ADK is connected to either a computer running Mac OS X or Linux, it resets each time a connection is made to it from software (via USB). For the following half-second or so, the bootloader is running on the MEGA ADK. While it is programmed to ignore malformed data (i.e. anything besides an upload of new code), it will intercept the first few bytes of data sent to the board after a connection is open.

If a sketch running on the board receives one-time configuration or other data when it first starts; make sure that the software with which it communicates waits for a second after opening the connection and before sending this data. The MEGA ADK contains a trace that can be cut to disable the auto-reset. The pads on either side of the trace can be solder together to re-enable it. It’s the label “RESET-EN”. You may also be able to disable the auto-reset by connecting a 110-ohm resistor from 5V to the reset line; see this forum thread for details.

USB Over-current Protection

The Mega R3 Android Accessory Development Kit (ADK) has a resettable polyfuse that protects your computer’s USB ports from shorts and overcurrent. Although most computers provide their own internal protection, the fuse provides an extra layer of protection. If more than 500 mA is applied to the USB port. The fuse will automatically break the connection until the short or overload is removed.

Physical Characteristics and Shield Compatibility

The maximum length and width of the Mega R3 Android Accessory Development Kit (ADK) PCB are 4 and 2.1 inches respectively; with the USB connector and power jack extending beyond the former dimension. Three screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16″); not an even multiple of the 100 mil spacing of the other pins. The MEGA ADK is designed to be compatible with most shields design for the Uno, Diecimila or Duemilanove.

Digital pins 0 to 13 (and the adjacent AREF and GND pins), analog inputs 0 to 5; the power header, and ICSP header are all in equivalent locations. Further, the main UART (serial port) is located on the same pins (0 and 1); as are external interrupts 0 and 1 (pins 2 and 3 respectively). SPI is available through the ICSP header on both the MEGA ADK and Duemilanove / Diecimila.

Please note that I2C is not located on the same pins on the MEGA ADK (20 and 21); as the Duemilanove / Diecimila (analog inputs 4 and 5). 

Package Includes :

1 x Arduino Mega 2560 CH340

1 x Cable for Arduino Mega 2560.

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What is the price of Arduino Mega 2560 CH340 in Bangladesh?

The latest price of Arduino Mega 2560 CH340 in Bangladesh is BDT 1,499 You can buy the Arduino Mega 2560 CH340 at best price from our RoboticsBD or visit RoboticsBD Office.

Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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RBD-1397
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Reference: RBD-2164

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WeMos D1 R32 Mini ESP32 WIFI Bluetooth Development Board CH340 chip for compatibility with Arduino UNO R3 Supports WIFI and Bluetooth connectivity Comes with a Type-B/Micro USB adapter

Price BDT 650
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Espressif ESP32-S3-DevKitC-1-N8R8 Robotics Bangladesh Quick view

Reference: RBD-2366

Espressif ESP32-S3-DevKitC-1-N8R8

The ESP32-S3-DevKitC-1 Version 1.0 is an entry-level development board equipped with ESP32-S3-WROOM-1, ESP32-S3-WROOM-1U, or ESP32-S3-WROOM-2, a general-purpose Wi-Fi + Bluetooth® LE MCU module that integrates complete Wi-Fi and Bluetooth LE functions. Most of the I/O pins on the module are broken out to the pin headers on both sides of this board for...

Price BDT 3,250
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Arduino Pro Mini 328 5V/16Mhz Robotics Bangladesh Quick view

Reference: RBD-0155

Arduino Pro Mini 328 5V/16Mhz

Microcontroller: ATmega328 Circuit Operating Voltage: 5V Clock frequency: 16MHz. Digital I/O Pins: 14 8 analog input port: A0 ~ A7. A pair of TTL level serial port transceiver : RX / TX. 6 PWM port: D3, D5, D6, D9, D10, D11. Support serial download.

Price BDT 680
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NodeMCU Mega WiFi R3 Atmega2560 ESP8266 32Mb Memory Board Robotics Bangladesh Quick view

Reference: RBD-2138

NodeMCU Mega WiFi R3 Atmega2560 ESP8266 32Mb Memory Board

Arduino compatibility Full integration USB-TTL converter 32 Mb flash memory Dual microcontrollers

Price BDT 1,890
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STM8S103F3P6 ARM STM8 Minimum System Development Board Module (Arduino Compatible) Quick view

Reference: RBD-0576

STM8S103F3P6 ARM STM8 Minimum System Development Board Module (Arduino Compatible)

Chipboard STM32F103C8T6 On board, SWIM interface and reset button Micro USB line or the 2.54 pin to link to the power with the input voltage 4.5V-15V. Power light and the Demo indicator light Leads all the pins and has detailed label for the Pins. Support SWIM debug mode. RoboticsBD

Price BDT 450
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Arduino Leonardo R3 Quick view

Reference: RBD-0154

Arduino Leonardo R3

Microcontroller: ATmega32u4 Operating Voltage: 5V Input Voltage (Recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 20 PWM Channels: 7 Analog Input Channels: 12

Price BDT 899
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New Arduino UNO R4 Minima Robotics Bangladesh Quick view

Reference: RBD-2569

Arduino UNO R4 Minima

Introducing the Arduino UNO R4 Minima! This board boasts the RA4M1 microprocessor from Renesas, delivering increased processing power, expanded memory, and additional peripherals. And the best part? It stays true to the reliable UNO form factor and operates at a practical 5 V voltage. Brace yourself for an upgrade like no other with the Arduino UNO R4...

Price BDT 2,890
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NodeMCU ESP8266 with 0.96 Inch OLED Module Development Board Robotics Bangladesh Quick view

Reference: RBD-1255

NodeMCU ESP8266 with 0.96 Inch OLED Module Development Board

Integrated 0.96″ OLED Micro USB connection Compatible with Arduino Compatible with NodeMCU(Lua for ESP8266) Input Power 5V Compatible for Arduino Compatible with NodeMCU(Lua for ESP8266)

Price BDT 1,250
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Arduino Micro R3 Robotics Bangladesh Quick view

Reference: RBD-2126

Arduino Micro R3

Manufacturer: China Support TWI and SPI communication Input voltage (recommended) range from 7V to 12V Input Voltage (limit) range from 6V to 20V 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs) Onboard ATmega32u4 microcontroller with 32KB flash memory, 2.5KB SRAM and 1KB EEPROM

Price BDT 1,390
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ESP32 For Wemos D1 Mini WIFI Bluetooth Development Board Robotics Bangladesh Quick view

Reference: RBD-2137

ESP32 For Wemos D1 Mini WIFI Bluetooth Development Board

ESP32 Development Board Integrated antenna and RF balun Dual-mode Wi-Fi and Bluetooth chips Small size and high performance-price ratio Compatible with Arduino

Price BDT 890
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Arduino NANO I/O Extension Shield Quick view

Reference: RBD-0987

Arduino NANO I/O Extension Shield

Compatible with Arduino NANO All digital and analog pins breakout Compact size; External power supply current support Leads all pins out, convenient for wiring and doing experiments.

Price BDT 350
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Arduino Mega 2560 R3 Robotics Bangladesh Quick view

Reference: RBD-0009

Arduino Mega 2560 R3

54 Digital I/O terminals (14 of which have programmable PWM outputs). 16 Analog Inputs. 4 UARTs (hardware serial ports). 16 MHz crystal clock. RoboticsBD Operating voltage: 6 ~ 12v. Dimensions: 110 x 53 x 15 mm.

Price BDT 1,895
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New Arduino Ethernet Shield W5100 R3 Robotics Bangladesh Quick view

Reference: RBD-2490

Arduino Ethernet Shield W5100 R3

Support TCP/IP protocol: TCP, UDP, ICMP, IPv4 ARP, IGMP, PPPoE and Ethernet Built-in 10BaseT/100BaseTX Ethernet physical layer Support automatic communication handshaking(full duplex and half duplex), Support automatic MDI/MDIX, automatically revise signal polarity Support ADSL connection (support PAP/CHAP certification mode in PPPoE protocol), Support...

Price BDT 1,250
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BC548 Transistor Robotics Bangladesh Quick view

Reference: RBD-1517

BC548 Transistor

BC548 Transistor Transistor Type: NPN Package/Case: DIP-3

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High Torque Gear Motor 12V 100RPM 25GA Quick view

Reference: RBD-1917

High Torque Gear Motor 12V 500RPM 25GA

Voltage: 12V DC RPM:500RPM Diameter: 25mm Low Noise Shaft equips metal bushes for long life. Metal Gears for High performance It comes with High-Quality gears. High torque at very low Current Consumptions

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- BDT 10 Reduced price 14500 Rechargeable Lithium Battery 1300mah 3. Quick view

Reference: RBD-0836

14500 Rechargeable Lithium Battery 1300mah 3.7v

Model: 14500 Type: Li-Ion Battery Mark Capacity: 850mah Nominal Voltage: 3.7v Color:    Blue    Weight: 17g Rechargeable Battery: Yes Note: It's a clone battery so the ampere couldn't be guaranteed.

Price BDT 80 Regular price BDT 90
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Digital Line Following Sensor - 8 Array Quick view

Reference: RBD-0659

Digital Line Following Sensor - 8 Array

Operating voltage: 4.5V to 5.0 V Supply current: 150 mA Output format: 8 Digital voltages. Optimal sensing distance: 3 mm. Maximum recommended sensing distance: 6 mm Uses 8 sensors for best resolution Comes with easy to use digital outputs that can be connected directly to microcontrollers Sample Programming Code is available. RoboticsBD

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Blue Led 5mm (pack of 5) Robotics Bangladesh Quick view

Reference: RBD-1300

Blue Led 5mm (pack of 5)

Size: 5mm Color: BLUE Head Shape: Round Lens Appearance: Transparent

Price BDT 5
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PAM8403 Super Mini Digital Amplifier Board Robotics Bangladesh Quick view

Reference: RBD-1856

PAM8403 Super Mini Digital Amplifier Board

Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load).. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI and Low Noise. Short Circuit Protection and Thermal...

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5v Relay module for Arduino Robotics Bangladesh Quick view

Reference: RBD-2074

5v Relay module for Arduino

Output SPDT Relay. Header connector for connecting power and trigger voltage. Screw terminal connector for easy relay output connection. Note: Relay might be different from the picture as per stock

Price BDT 75
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On / Off Switch (Mini) Robotics Bangladesh Quick view

Reference: RBD-1714

On / Off Switch (Mini)

KCD1-11 3A 250V AC 6A 125V AC Normal Quality Rocker Switch Button 2Pin ON/OFF KCD Switch Dimension: 13.5mm X 8.5 mm

Price BDT 6
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