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Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0351
Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 100mm (depending on antenna geometry) RoboticsBD Operating frequency: 13.56MHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anticollision Typical ticketing transaction: <100 ms ( including backup management)...
Reference: 0245
Choose your desire Resistor value from below:
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: RBD-0761
Breadboard friendly Mounting Style: Through Hole Mounting Direction: Vertical
Reference: RBD-0094
The Arduino Uno R3 High-Quality Edition Arduino UNO in Bangladesh Micro-controller : ATmega328. Operating Voltage : 5V. Input Voltage (recommended) : 7-12V. Digital I/O Pins : 14 (of which 6 provide PWM output). Analog Input Pins : 6. The Arduino Uno R3 High-Quality Edition embodies superior craftsmanship and meticulous attention to detail, resulting in...
The Arduino Uno R3 High-Quality Edition embodies superior craftsmanship and meticulous attention to detail, resulting in an impeccable build quality. Its components have been carefully selected to ensure robustness and reliability, promoting longevity and sustained functionality even in demanding environments.
The Arduino Uno R3 with Cable 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. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.
Please be careful before purchasing an Arduino Uno. Recent chip shortages have caused lower-quality or counterfeit chips/ICs to spread throughout the market. Some importers bring these items because their purchase price is low. However, at RoboticsBD, we never compromise on quality.
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General Specification | |
Model Type | UNO Rev R3 |
Microcontroller Chip | ATmega328 |
Operating Voltage (VDC) | 5 |
Input Voltage(Recommended) | 7-12V |
Input Voltage (limit) | 6-20V |
Analog I/O Pins | 6 |
Digital I/O Pins | 14 (of which 6 provide PWM output) |
PWM Digital I/O Pins | 6 |
DC Current per I/O Pin (mA) | 40 |
DC Current for 3.3V Pin (mA) | 50 |
Clock Speed | 16 MHz |
SRAM | 2 |
EEPROM | 1 KB (ATmega328) |
Flash Memory | 32 KB |
On Board LEDs | On/Off, L (PIN 13), TX, RX |
Country of Origin | China |
Weight (gm) | 28 (without cable) 54 (with cable) |
Arduino Software | Compatible |
Shipment Dimensions | 9 × 6 × 4 cm |
Please allow 5% measuring deviation due to manual measurement.
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The Uno R3 can be powered via the USB connection or with an external power supply. The power source is selected 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. Leads from a battery can be inserted in the GND and Vin pin headers of the POWER connector.
The board can operate on an external supply of 6 to 20 volts. If supplied 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 ATmega328 has 32 KB (with 0.5 KB used for the bootloader). It also has 2 KB of SRAM and 1 KB of EEPROM (which can be read and written with the EEPROM library).
Each of the 14 digital pins on the Uno 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 and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. In addition, some pins have specialized functions:
The Uno R3 has 6 analog inputs, labeled A0 through A5, 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 the analogReference() function. Additionally, some pins have specialized functionality:
There are a couple of other pins on the board:
See also the mapping between Arduino pins and ATmega328 ports. The mapping for the Atmega8, 168, and 328 is identical.
The Uno R3 has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega328 provides UART TTL (5V) serial communication, which is available on digital pins 0 (RX) and 1 (TX). An ATmega16U2 on the board channels this serial communication over USB and appears as a virtual com port to software on the computer. The ’16U2 firmware uses the standard USB COM drivers, and no external driver is needed. However, on Windows, a .inf file is required. The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the Arduino board. The RX and TX LEDs on the board will flash when data is being transmitted via the USB-to-serial chip and USB connection to the computer (but not for serial communication on pins 0 and 1).
A SoftwareSerial library allows for serial communication on any of the Uno’s digital pins.
The ATmega328 also supports I2C (TWI) and SPI communication. The Uno R3 software includes a Wire library to simplify use of the I2C bus; see the documentation for details. For SPI communication, use the SPI library.
The Uno R3 can be a program with the Arduino software (download). Select “Arduino Uno from the Tools > Board menu (according to the microcontroller on your board). For details, see the reference and tutorials.
The ATmega328 on the Uno R3 comes pre-burn with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).
You can also bypass the bootloader and program the microcontroller through the ICSP (In-Circuit Serial Programming) header; see these instructions for details.
The ATmega16U2 (or 8U2 in the rev1 and rev2 boards) firmware source code is available. The ATmega16U2/8U2 is load with a DFU bootloader, which can be activated by:
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.
Rather than requiring a physical press of the reset button before an upload, the Arduino Uno 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 theATmega8U2/16U2 is connected to the reset line of the ATmega328 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 Uno 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 boot-loader is running on the Uno. While it is a program 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, makes sure that the software with which it communicates waits for a second after opening the connection and before sending this data.
The Uno R3 contains a trace that can be cut to disable the auto-reset. The pads on either side of the trace can be soldered together to re-enable it. It’s 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.
The Arduino Uno 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.
The maximum length and width of the Uno PCB are 2.7 and 2.1 inches respectively, with the USB connector and power jack extending beyond the former dimension. Four 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.
1 x Arduino Uno R3
1 x USB Cable.
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The latest price of Arduino Uno R3 in Bangladesh is BDT 1,100 You can buy the Arduino Uno R3 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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Reference: RBD-0020
Model: SG90 Weight: 9 gm Operating voltage: 3.0V~ 7.2V Servo Plug: JR Stall torque @4.8V : 1.2kg-cm Stall torque @6.6V : 1.6kg-cm Note: Product images/ Components brand may vary from actual product as our stock rotates.
Reference: RBD-0022
Affordable Price Operating Voltage: 5 V Sonar Sensing Range: 2-400 cm Max. Sensing Range: 450 cm Frequency: 40 kHz RoboticsBD
Reference: RBD-0023
Wide Working Voltage Range: DC 4.5V- 20V Current Drain: <60uA Detection Angle: <140° Detection Distance: 3 to 7m (can be adjusted) Blockade time: 2.5s (Default) Work temperature: -20-+80°C
Reference: RBD-0685
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Reference: RBD-2366
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...
Reference: RBD-0323
Microcontroller ATmega328 (SMD) – Interface CH340G Operating Voltage: 5V Input Voltage (recommended): 7-12V Digital I / O Pins 14 (of which 6 provide PWM output) RoboticsBD Analog Input Pins: 6
Reference: RBD-2268
Features WiFi+Bluetooth connectivity with the ESP-WROOM-32 module Accessible I/O pins via extension headers for easy customization Onboard USB CH340 for convenient programming and debugging 2x keys for reset or user-defined functions ESP32S-DEV development board is a cost-effective solution for a wide range of applications.
Reference: RBD-2243
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Reference: RBD-2490
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Reference: RBD-2244
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Reference: RBD-0948
Built-in Flash: 32Mbit Power supply: 5V WiFi protocol: IEEE 802.11 b/g/n Peripheral interface: UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S Logic level: 3.3V
Reference: RBD-2164
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
Reference: RBD-1603
USB-TTL converter. Logic Level: 5V. Operating Supply Voltage: 5V. Digital I/O Pins: 14. Analog I/O Pins: 6.
Reference: RBD-1807
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Reference: RBD-2196
USB Type: Type-A to Type-B Weight: 26 gm. Length: 50 cm Long cable for easy work Fully compatible with the PC. Molded strain relief and PVC over-molding to ensure a lifetime of error-free data transmissions.
Reference: RBD-2266
Versatile and powerful development board for IoT and embedded systems projects. USB Type-C port for reversible plug orientation and easy connection to computer or other devices. Built-in Wi-Fi and Bluetooth module for wireless connectivity. Arduino IDE compatibility for easy code writing and uploading. Suitable for a wide range of applications, including...
Reference: RBD-2379
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Reference: RBD-1255
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Reference: RBD-1820
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Reference: RBD-0838
ATMEGA32U4 running in 5V / 16MHz Support Arduino IDE V1.0.1 Micro USB interface programming on the board Four 10-bit ADC pin 12 digital I / O (5 PWM capability) Rx and Tx hardware serial connection. RoboticsBD
Reference: RBD-2270
Powerful and versatile ESP32 SoC with WiFi and Bluetooth connectivity 4MB of flash memory and 520KB of SRAM for storing firmware and data Compatible with the Arduino development environment for easy programming Input/output pins for connecting to sensors, actuators, and other peripherals Can be programmed using MicroPython, a high-level programming...
Reference: RBD-1808
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Reference: RBD-0032
USB Driver: CH340 Operating Voltage (logic level): 5V With Mini USB 8 analog inputs ports: A0 ~ A7 14 Digital input / output ports: TX, RX, D2 ~ D13 1 pair of TTL level serial transceiver ports RX / TX Using Atmel Atmega328P-AU MCU There is a bootloader installed in it Standard 0.1” spacing DIP (breadboard friendly). Manual reset switch. Please select...
Reference: RBD-0155
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.
Reference: RBD-2309
Add Internet to your next project with an adorable, bite-sized WiFi microcontroller, at a price you like! This module contains an ESP8285, which is an ESP8266 processor with 1MB of FLASH memory already built in. You can use it just like an ESP8266, it's the same processor and WiFi The ESP8266 processor from Espressif is an 80 MHz microcontroller with a...
Reference: RBD-2483
Arduino Opta, specially designed for PLC engineers, is a secure, easy-to-use micro PLC with industrial IoT capabilities. Opta is equipped with frequently used networks and protocols in multiple industries, and supports both Arduino sketch and standard PLC languages, including LD (Ladder Logic Diagram) and FBD (Function Block Diagram). Its powerful...
Reference: RBD-2417
The Nano EVERY development board is designed as a replacement for the classic Arduino Nano - both by the layout of the pins and the shape of the board. The main microprocessor is the Atmel A4808 with larger RAM and FLASH memory compared to the classic nano. Another advantage is, for example, the ATSAMD11D14A converter, which does not require complex...
Reference: RBD-2240
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Reference: RBD-0682
Microcontroller: ATmega168 or ATmega328V Operating Voltage: 2.7-5.5 V Digital I/O Pins: 14 PWM Channels: 6 Analog Input Channels: 6 DC Current per I/O Pin: 40 mA Board will run from 2V to 5V. The latest version of the LilyPad supports automatic reset for even easier programming. The back side of the LilyPad is now completely flat! RoboticsBD
Reference: RBD-1217
Nextion is a seamless Human Machine Interface (HMI) solution. Nextion provides a control and visualization interface between a human and a process, machine, application or appliance. Nextion is mainly applied to Internet of thing (IoT) or consumer electronics field.
Reference: RBD-1812
11 digital input/output pins Interrupt/PWM/I2C/one-wire 1 analog input(3.2V max input) 16M bytes(128M bit) Flash External antenna connector Built-in ceramic antenna New CP2104 USB-TO-UART IC
Reference: RBD-1131
Up to 480 Mbps data transfer rate. USB Type: Type-A to Mini-B Weight: 15 gm Length: 30 cm Exclusively designed for Arduino boards.
Reference: RBD-1684
8 Channel DC 12V Pro mini Relay Shield Module PLC Timer Board for Arduino
Reference: RBD-2242
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Reference: RBD-0797
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Reference: RBD-0715
Voltage: 12V DC RPM:100RPM 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
Reference: RBD-1711
The shaft is made of high-speed steel. Ergonomically and slip-resistant designed handle for comfortable grip. Compact and lightweight design. Multiple different sizes are included to meet all your needs. Elegant appearance. Especially suitable for RC helicopter airplane.
Reference: RBD-0679
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Reference: RBD-0415
Has a signal output instruction When the output valid signal is high, the light goes out The sensitivity is adjustable (fine-tuning) The wide detection range of vibration, no direction With mounting holes, firmware installation is flexible and convenient. RoboticsBD
Reference: 1169
Please select your desired models from the list below.
Reference: RBD-2140
220V Double Bearing DC Motor Dynamo Generator Efficiency: IE 2 Voltage: DC 220V Frequency: 50Hz Power factor: 0.85
Reference: RBD-0945
Length: 1.5m Weight: 82 gm. Color: Steel Black Supports all HDTV devices including 1.4 Supports resolution up to 1080P Supports 3D and Blu-ray Disc