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  • Categories: Audio, Voice & Speech Module
  • Categories: Instruments

Reference: RBD-2541

Brand: DFRobot

Gravity: Voice Recorder Module

(0)
This is the latest voice recorder module with integrated record and play functions. Easily record your voice by pressing the record button, speaking and then releasing the button when finished. The module is able to playback 10 seconds in total. Connect an 8Ω 3W speaker or an external active speaker for voice output. The module also has a 3 pin digital...
BDT 950.00
BDT 950.00 tax incl.
BDT 950.00 tax excl.
BDT 950.00 tax excl.
BDT 950.00 tax incl.
BDT 950.00 tax incl.
BDT 0.00 Tax
BDT 950.00 tax excl.
BDT 950.00 tax excl.
BDT 0.00 Tax
BDT 950.00 tax incl.
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In stock
In stock: 10

Reference: RBD-1602

WeMos D1 CH340 WiFi Development Board ESP8266 ESP-12F

(0)
Microcontroller: ESP8266EX Operating Voltage: 3.3V Digital I/O Pins: 11 (all I/O pins have interrupt/PWM/I2C/one-wire capability, except for D0) Analog Input Pins: 1 Flash Memory: 4MB On-Board Switching Power Supply: Input Voltage Range: 9V to 12V Output: 5V at 1A Max
BDT 520.00
BDT 520.00 tax incl.
BDT 520.00 tax excl.
BDT 520.00 tax excl.
BDT 520.00 tax incl.
BDT 520.00 tax incl.
BDT 0.00 Tax
BDT 520.00 tax excl.
BDT 520.00 tax excl.
BDT 0.00 Tax
BDT 520.00 tax incl.
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In-Stock
In stock: 42

Reference: RBD-1087

Mini DC UPS for Modem, Router, CCTV Camera 6000mA 22.2W 12V 2A

(0)
Uninterruptible Power Supply Mini UPS Modem, Router, CCTV Camera and Lighting 6000mAh 22.2W
BDT 1,998.00
BDT 1,998.00 tax incl.
BDT 1,998.00 tax excl.
BDT 1,998.00 tax excl.
BDT 1,998.00 tax incl.
BDT 1,998.00 tax incl.
BDT 0.00 Tax
BDT 1,998.00 tax excl.
BDT 1,998.00 tax excl.
BDT 0.00 Tax
BDT 1,998.00 tax incl.
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Last items in stock
In stock: 2

Reference: RBD-2691

Through-Hole Speaker 15mm diameter - 2kHz range

(0)
Compact 15mm speaker for integrating sound into space-constrained projects. 2kHz frequency range suitable for basic audio applications. Through-hole mounting for easy integration with circuit boards. Handles up to 0.5W of power for moderate sound output.
BDT 60.00
BDT 60.00 tax incl.
BDT 60.00 tax excl.
BDT 60.00 tax excl.
BDT 60.00 tax incl.
BDT 60.00 tax incl.
BDT 0.00 Tax
BDT 60.00 tax excl.
BDT 60.00 tax excl.
BDT 0.00 Tax
BDT 60.00 tax incl.
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In-Stock
In stock: 41

Reference: RBD-1812

WeMos D1 mini Pro – ESP8266 based WiFi Module 16MB

(0)
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
BDT 680.00
BDT 680.00 tax incl.
BDT 680.00 tax excl.
BDT 680.00 tax excl.
BDT 680.00 tax incl.
BDT 680.00 tax incl.
BDT 0.00 Tax
BDT 680.00 tax excl.
BDT 680.00 tax excl.
BDT 0.00 Tax
BDT 680.00 tax incl.
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In-Stock
In stock: 31

Reference: RBD-1152

Soldering Iron V802 60w (Normal Quality)

(0)
Material: Metal, Plastic Power: 60W Temperature: 200-450°C (adjustable) Soldering Iron Length: Approx. 18.5cm Cable Length: Approx. 143cm
BDT 205.00
BDT 205.00 tax incl.
BDT 205.00 tax excl.
BDT 205.00 tax excl.
BDT 205.00 tax incl.
BDT 205.00 tax incl.
BDT 0.00 Tax
BDT 205.00 tax excl.
BDT 205.00 tax excl.
BDT 0.00 Tax
BDT 205.00 tax incl.
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In-Stock
In stock: 12

Reference: RBD-2692

PCB Mount Mini Speaker Breadboard-Friendly - 8 Ohm 0.2W

(0)
Breadboard-Friendly PCB Mount Mini Speaker - 8 Ohm 0.2W 1.1" (~30mm) diameter speaker with 8 Ohm impedance Perfect for breadboard-based audio projects Durable plastic casing, lightweight design Power handling: Nominal 0.1 Watts, Maximum 0.2 Watts
BDT 120.00
BDT 120.00 tax incl.
BDT 120.00 tax excl.
BDT 120.00 tax excl.
BDT 120.00 tax incl.
BDT 120.00 tax incl.
BDT 0.00 Tax
BDT 120.00 tax excl.
BDT 120.00 tax excl.
BDT 0.00 Tax
BDT 120.00 tax incl.
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In-Stock
In stock: 45

Reference: RBD-2137

ESP32 For Wemos D1 Mini WIFI Bluetooth Development Board

(0)
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
BDT 890.00
BDT 890.00 tax incl.
BDT 890.00 tax excl.
BDT 890.00 tax excl.
BDT 890.00 tax incl.
BDT 890.00 tax incl.
BDT 0.00 Tax
BDT 890.00 tax excl.
BDT 890.00 tax excl.
BDT 0.00 Tax
BDT 890.00 tax incl.
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In-Stock
In stock: 20

Reference: RBD-1154

USB Digital Microscope 1000X

(0)
Specification: Magnification: 1000X Light source: 8 LED lights Resolution: 1920×1080, 640*480 Pixel: 30W Focal length: 3-40mm manual adjustment Support Android 4.2 or above/widows/Mac system
BDT 2,990.00
BDT 2,990.00 tax incl.
BDT 2,990.00 tax excl.
BDT 2,990.00 tax excl.
BDT 2,990.00 tax incl.
BDT 2,990.00 tax incl.
BDT 0.00 Tax
BDT 2,990.00 tax excl.
BDT 2,990.00 tax excl.
BDT 0.00 Tax
BDT 2,990.00 tax incl.
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In-Stock
In stock: 6

Reference: RBD-2693

5 cm Speaker - 8 Ohm 0.5W

(0)
Compact 5cm speaker for integrating audio into various projects like radios, amplifiers, and robots. 8Ω impedance and 0.5W power handling for compatibility with common audio circuits. Lightweight and space-saving design for versatile integration.
BDT 150.00
BDT 150.00 tax incl.
BDT 150.00 tax excl.
BDT 150.00 tax excl.
BDT 150.00 tax incl.
BDT 150.00 tax incl.
BDT 0.00 Tax
BDT 150.00 tax excl.
BDT 150.00 tax excl.
BDT 0.00 Tax
BDT 150.00 tax incl.
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In-Stock
In stock: 46

Reference: RBD-1603

MicroPython Board R3 ATmega328P+ESP8266, 8Mb flash, USB-TTL CH340G, Micro-USB

(0)
USB-TTL converter. Logic Level: 5V. Operating Supply Voltage: 5V. Digital I/O Pins: 14. Analog I/O Pins: 6.
BDT 1,199.00
BDT 1,199.00 tax incl.
BDT 1,199.00 tax excl.
BDT 1,199.00 tax excl.
BDT 1,199.00 tax incl.
BDT 1,199.00 tax incl.
BDT 0.00 Tax
BDT 1,199.00 tax excl.
BDT 1,199.00 tax excl.
BDT 0.00 Tax
BDT 1,199.00 tax incl.
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In-Stock
In stock: 32

Reference: RBD-1168

Digital TDS Meter Monitor TEMP PPM Tester

(0)
Item Name: TDS meter Meter Material: Plastic Display: LCD Digital Accuracy: +/- 2% Range: 0-9990 ppm
BDT 850.00
BDT 850.00 tax incl.
BDT 850.00 tax excl.
BDT 850.00 tax excl.
BDT 850.00 tax incl.
BDT 850.00 tax incl.
BDT 0.00 Tax
BDT 850.00 tax excl.
BDT 850.00 tax excl.
BDT 0.00 Tax
BDT 850.00 tax incl.
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In-Stock
In stock: 14

Reference: RBD-2694

4cm Thin Speaker - 8 Ohm 0.5W

(0)
Incredibly thin (just over 4mm) 4cm speaker for adding sound to projects with severe space constraints. 8Ω impedance and 0.5W power handling for compatibility with low-power audio circuits. Ideal for applications like portable devices, greeting cards, or space-limited enclosures.
BDT 45.00
BDT 45.00 tax incl.
BDT 45.00 tax excl.
BDT 45.00 tax excl.
BDT 45.00 tax incl.
BDT 45.00 tax incl.
BDT 0.00 Tax
BDT 45.00 tax excl.
BDT 45.00 tax excl.
BDT 0.00 Tax
BDT 45.00 tax incl.
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In-Stock
In stock: 90

Reference: RBD-2164

WeMos D1 R32 Mini ESP32 WIFI Bluetooth Development Board

(0)
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
BDT 650.00
BDT 650.00 tax incl.
BDT 650.00 tax excl.
BDT 650.00 tax excl.
BDT 650.00 tax incl.
BDT 650.00 tax incl.
BDT 0.00 Tax
BDT 650.00 tax excl.
BDT 650.00 tax excl.
BDT 0.00 Tax
BDT 650.00 tax incl.
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In-Stock
In stock: 16

Reference: RBD-1177

4-20mA Signal Generator Current Loop Simulator Tester

(0)
This signal generator can use 4-20mA to generate voltage and control the current in the circuit. Accuracy up to 0.01; Liquid crystal display; Rotary encoder adjustment ; Two connection terminals are non polarity. Output range can be set; 4-20mA (device control) / -21mA (signal debugging) Display mode can be set, it is convenient for you to see the value...
BDT 2,999.00
BDT 2,999.00 tax incl.
BDT 2,999.00 tax excl.
BDT 2,999.00 tax excl.
BDT 2,999.00 tax incl.
BDT 2,999.00 tax incl.
BDT 0.00 Tax
BDT 2,999.00 tax excl.
BDT 2,999.00 tax excl.
BDT 0.00 Tax
BDT 2,999.00 tax incl.
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In-Stock
In stock: 14

Reference: RBD-2718

PAM 8610 Digital Stereo Class-D Amplifier Board 2x15W Output

(0)
Dual-Channel Stereo Output Run-on 7V to 15V power Supply 32 Steps DC volume control has a +32dB to -75dB range. 40 pin QFN 6 x 6 mm package. Much higher efficiency in terms of cost and performance than competitors’ ICs
BDT 250.00
BDT 250.00 tax incl.
BDT 250.00 tax excl.
BDT 250.00 tax excl.
BDT 250.00 tax incl.
BDT 250.00 tax incl.
BDT 0.00 Tax
BDT 250.00 tax excl.
BDT 250.00 tax excl.
BDT 0.00 Tax
BDT 250.00 tax incl.
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In stock
In stock: 30

Reference: RBD-2138

NodeMCU Mega WiFi R3 Atmega2560 ESP8266 32Mb Memory Board

(0)
Arduino compatibility Full integration USB-TTL converter 32 Mb flash memory Dual microcontrollersA high-quality USB cable is essential for this board to ensure sufficient current supply; otherwise, your board may not be recognized by the Windows Device Manager. Please avoid using mobile phone cables and instead use the recommended cable available here:...
BDT 2,120.00
BDT 2,120.00 tax incl.
BDT 2,120.00 tax excl.
BDT 2,120.00 tax excl.
BDT 2,120.00 tax incl.
BDT 2,120.00 tax incl.
BDT 0.00 Tax
BDT 2,120.00 tax excl.
BDT 2,120.00 tax excl.
BDT 0.00 Tax
BDT 2,120.00 tax incl.
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In-Stock
In stock: 18

Reference: RBD-1220

Digital Temperature Humidity Meter with LCD

(0)
LCD Thermometer and Humidity Measuring Extended Sensor Sampling Period 10Sec Long-Lasting Battery
BDT 210.00
BDT 210.00 tax incl.
BDT 210.00 tax excl.
BDT 210.00 tax excl.
BDT 210.00 tax incl.
BDT 210.00 tax incl.
BDT 0.00 Tax
BDT 210.00 tax excl.
BDT 210.00 tax excl.
BDT 0.00 Tax
BDT 210.00 tax incl.
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In-Stock
In stock: 151

Reference: RBD-2724

MAX4466 Electret Microphone Adjustable Amplifier Module

(0)
The MAX4466 Electret Microphone Module is a convenient and sensitive audio sensor solution designed for capturing sound waves and converting them into electrical signals. This module incorporates the MAX4466 electret condenser microphone and an integrated amplifier circuit, making it well-suited for applications requiring clear and amplified audio capture.
BDT 230.00
BDT 230.00 tax incl.
BDT 230.00 tax excl.
BDT 230.00 tax excl.
BDT 230.00 tax incl.
BDT 230.00 tax incl.
BDT 0.00 Tax
BDT 230.00 tax excl.
BDT 230.00 tax excl.
BDT 0.00 Tax
BDT 230.00 tax incl.
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In stock
In stock: 24

Reference: RBD-1221

STC-3018 220V 10A Digital Temperature Controller 24V

(0)
Display Type:Digital Operating Voltage: AC110-220V Temperature sensor: NTC 10K Senor length:1.0m Temperature measuring range: -55 ° C ~ 120 ° C Resolution: 0.1 ° C Accuracy:±1° C
BDT 1,700.00
BDT 1,700.00 tax incl.
BDT 1,700.00 tax excl.
BDT 1,700.00 tax excl.
BDT 1,700.00 tax incl.
BDT 1,700.00 tax incl.
BDT 0.00 Tax
BDT 1,700.00 tax excl.
BDT 1,700.00 tax excl.
BDT 0.00 Tax
BDT 1,700.00 tax incl.
More
In-Stock
In stock: 23

Reference: RBD-0694

ESP8266 CH340 NodeMCU Wifi Module Lua V3

(0)
Power input: 4.5V ~ 9V (10VMAX), USB-powered Transfer rate: 110-460800bps Support UART / GPIO data communication interface Support Smart Link Smart Networking Working temperature: -40°C ~ + 125°C Drive Type: Dual high-power H-bridge Don’t need to download resetting A great set of tools to develop ESP8266 Flash size: 4MByte Lowest cost WI-FI Note: The...
BDT 420.00
BDT 420.00 tax incl.
BDT 420.00 tax excl.
BDT 420.00 tax excl.
BDT 420.00 tax incl.
BDT 420.00 tax incl.
BDT 0.00 Tax
BDT 420.00 tax excl.
BDT 420.00 tax excl.
BDT 0.00 Tax
BDT 420.00 tax incl.
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In-Stock
In stock: 275

Reference: RBD-2747

Mini Speaker - PC Mount 12mm 2.048kHz

(0)
This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces. This is not a true piezoelectric speaker but behaves similarly. Instead of a piezoelectric crystal that vibrates with an electric current, this tiny speaker uses an electromagnet to drive a thin metal sheet....
BDT 25.00
BDT 25.00 tax incl.
BDT 25.00 tax excl.
BDT 25.00 tax excl.
BDT 25.00 tax incl.
BDT 25.00 tax incl.
BDT 0.00 Tax
BDT 25.00 tax excl.
BDT 25.00 tax excl.
BDT 0.00 Tax
BDT 25.00 tax incl.
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In stock
In stock: 100

Reference: RBD-1255

NodeMCU ESP8266 with 0.96 Inch OLED Module Development Board

(0)
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)A high-quality USB cable is essential for this board to ensure sufficient current supply; otherwise, your board may not be recognized by the Windows Device Manager. Please...
BDT 1,250.00
BDT 1,250.00 tax incl.
BDT 1,250.00 tax excl.
BDT 1,250.00 tax excl.
BDT 1,250.00 tax incl.
BDT 1,250.00 tax incl.
BDT 0.00 Tax
BDT 1,250.00 tax excl.
BDT 1,250.00 tax excl.
BDT 0.00 Tax
BDT 1,250.00 tax incl.
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In-Stock
In stock: 18

Reference: RBD-1222

Temperature Gun Thermometer Laser

(0)
DT8380FC Infrared Thermometer Item no.: DT8380FC Temperature Range: -50~380°C/-58~716°F Measuring Accuracy: ±2% or 2C Distance Ratio: 12:1 Product description: DT8380FC Infrared Thermometer
BDT 3,499.00
BDT 3,499.00 tax incl.
BDT 3,499.00 tax excl.
BDT 3,499.00 tax excl.
BDT 3,499.00 tax incl.
BDT 3,499.00 tax incl.
BDT 0.00 Tax
BDT 3,499.00 tax excl.
BDT 3,499.00 tax excl.
BDT 0.00 Tax
BDT 3,499.00 tax incl.
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Last items in stock
In stock: 3

Reference: RBD-2758

MAX9814 Microphone Amplifier Module

(0)
With this module you can easily measure sound with an analog pin on your Arduino or other microcontroller. The module has an automatic gain/amplification (ACG) of the microphone: The module amplifies sounds with a low volume more, and sounds with a higher volume less.
BDT 380.00
BDT 380.00 tax incl.
BDT 380.00 tax excl.
BDT 380.00 tax excl.
BDT 380.00 tax incl.
BDT 380.00 tax incl.
BDT 0.00 Tax
BDT 380.00 tax excl.
BDT 380.00 tax excl.
BDT 0.00 Tax
BDT 380.00 tax incl.
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In stock
In stock: 30

Reference: RBD-1821

NodeMcu Lua WIFI Board Based on ESP8266 CP2102 Module

(0)
Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled Arduino-like hardware IO Integrated TR switch, balun, LNA, power amplifier and matching network Integrated PLL, regulators, DCXO and power management units Onboard USB to serial chip to easily program and upload codes from the Arduino IDE Easy to use breadboard friendly form...
BDT 650.00
BDT 650.00 tax incl.
BDT 650.00 tax excl.
BDT 650.00 tax excl.
BDT 650.00 tax incl.
BDT 650.00 tax incl.
BDT 0.00 Tax
BDT 650.00 tax excl.
BDT 650.00 tax excl.
BDT 0.00 Tax
BDT 650.00 tax incl.
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In-Stock
In stock: 13

Reference: RBD-1237

UNI-T Wind Speed Meter UT363BT

(0)
Ergonomic exterior, comfortable handling Millimeter accuracy  Large, multiple angle HD display Quick, auto calculation with real-time readout Multiple functions: measure wind speeds up to 30m/s, data storage, and more Auto power off after 3 minutes without operation  
BDT 4,500.00
BDT 4,500.00 tax incl.
BDT 4,500.00 tax excl.
BDT 4,500.00 tax excl.
BDT 4,500.00 tax incl.
BDT 4,500.00 tax incl.
BDT 0.00 Tax
BDT 4,500.00 tax excl.
BDT 4,500.00 tax excl.
BDT 0.00 Tax
BDT 4,500.00 tax incl.
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In-Stock
In stock: 5

Reference: RBD-2919

MAX98357A I2S DAC Class D Mono Amplifier Module

(0)
This mono Class D amplifier module with a surprisingly compact form factor - less than 2cm on a side - uses a MAX98357 chip to deliver 3W of power. Its I2S input allows an easy association with a Raspberry Pi or ESP32, allowing for example to design a small portable amplified speaker.
BDT 450.00
BDT 450.00 tax incl.
BDT 450.00 tax excl.
BDT 450.00 tax excl.
BDT 450.00 tax incl.
BDT 450.00 tax incl.
BDT 0.00 Tax
BDT 450.00 tax excl.
BDT 450.00 tax excl.
BDT 0.00 Tax
BDT 450.00 tax incl.
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In stock
In stock: 30

Reference: RBD-1402

NodeMCU ESP8266 Expansion Base Board

(0)
The perfect solution for breaking out the pins from Lua V3 Nodemcu. Lead-out all the IO ports of the ESP-12E development board Lead out the pins of 5V and 3.3V power supply Convenient to connect with peripheral modules Onboard 5V / 1A DC-DC step-down converter circuit Onboard power indicator With DC power jack 6-24V.
BDT 260.00
BDT 260.00 tax incl.
BDT 260.00 tax excl.
BDT 260.00 tax excl.
BDT 260.00 tax incl.
BDT 260.00 tax incl.
BDT 0.00 Tax
BDT 260.00 tax excl.
BDT 260.00 tax excl.
BDT 0.00 Tax
BDT 260.00 tax incl.
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In-Stock
In stock: 51

Reference: RBD-1236

UNI-T UT383 Light Lux Meter

(0)
Ergonomic exterior, comfortable handling Large, multiple angle HD display Quick, auto calculation with real-time readout Multiple functions Auto power off after 3 minutes without operation  
BDT 3,999.00
BDT 3,999.00 tax incl.
BDT 3,999.00 tax excl.
BDT 3,999.00 tax excl.
BDT 3,999.00 tax incl.
BDT 3,999.00 tax incl.
BDT 0.00 Tax
BDT 3,999.00 tax excl.
BDT 3,999.00 tax excl.
BDT 0.00 Tax
BDT 3,999.00 tax incl.
More
Last items in stock
In stock: 2

Reference: RBD-1235

Laser Rangefinder UNI-T LM60

(0)
Ergonomic exterior, comfortable handling Millimeter accuracy  Large, multiple angle HD display Quick, auto calculation with real-time readout Physical leveler Multiple functions: Max/Min/continuous measurement, displacement calculation, data storage, and more Auto power off after 3 minutes without operation  
BDT 4,999.00
BDT 4,999.00 tax incl.
BDT 4,999.00 tax excl.
BDT 4,999.00 tax excl.
BDT 4,999.00 tax incl.
BDT 4,999.00 tax incl.
BDT 0.00 Tax
BDT 4,999.00 tax excl.
BDT 4,999.00 tax excl.
BDT 0.00 Tax
BDT 4,999.00 tax incl.
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In-Stock
In stock: 6

Reference: RBD-0948

ESP32 ESP-32S 30P NodeMCU Development Board Wireless WiFi

(0)
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 A high-quality USB cable is essential for this board to ensure sufficient current supply; otherwise, your board may not be recognized by the Windows Device Manager. Please avoid using mobile phone cables and...
BDT 470.00
BDT 470.00 tax incl.
BDT 470.00 tax excl.
BDT 470.00 tax excl.
BDT 470.00 tax incl.
BDT 470.00 tax incl.
BDT 0.00 Tax
BDT 470.00 tax excl.
BDT 470.00 tax excl.
BDT 0.00 Tax
BDT 470.00 tax incl.
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In-Stock
In stock: 195

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