Reference: RBD-1772

HLK-V20 Speech Recognition Module Human Speech Voice Control Module

Small size package Local voice Customized voice wake-up/command words Universal Serial Port Protocol Support Chinese and English The number of command words reaches 150

Reference: RBD-1400

4 Channel 12V Relay Board Module

4-Channel Relay interface board and each one needs 15-20mA Driver Current. Both controlled by 12V and 5V input Voltage. Equipped with high-current relay, AC250V 10A ; DC30V 10A. Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic active low). Indication LED’s for Relay output...

Reference: RBD-1368

8 Channel Bi-Directional Logic Level Converter

The module allows you to exchange data between systems that use the most popular voltages: from 3.3 V to 5.5 V and vice versa. Eight channels allow for connection of various communication interfaces. Voltage level: 1.8V-6V Dimension: 38mm x 31.6mm Conversion  level  range:  1.8 V-6 V Instructions for use:  (3.3 V,  5 V  to  each other) 4 pairs of power...

Reference: RBD-1399

2 Channel 12V Relay Board Module

Operating Voltage: 12V DC Two separate LEDs for On/Off indication of the Relay Triggering input voltage 3.3V – 5V 4) Back EMF protection Equipped with high-current relay 10A@250VAC / 10A@30VDC It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick...

Reference: RBD-1138

AI-thinker A9G GSM/GPRS+GPS/BDS Development Board

Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v

Reference: RBD-2151

JoyStick Shield Module Robotics Control

2-Axis joystick Bluetooth / Serial interface I2C interface nRF24L01 interface Nokia 5110 LCD interface Interface connector Power switch to switch between 3.3 and 5V

Reference: RBD-2249

20mm 2.4Mhz Ultrasonic Mist Maker Fogger Atomizing Transducer

Made From High-Quality Materials. Electronic High-Frequency Oscillations (2.4MHz). Material: Ceramic, Wire Diameter: Atomizer: 2cm/0.79in; Sealing ring: 2.5cm/0.98in

Reference: RBD-0272

Brand: Waveshare

Logic Level Converter

Voltage level: 1.8V-6V Dimension: 38mm x 31.6mm Conversion  level  range:  1.8 V-6 V Instructions for use:  (3.3 V,  5 V  to  each other) 4 pairs of power supply interfaces, supports more situation Use tantalum capacitors for power filter, provides more stability VCCB 5V  power supply  (can  be an external  5V power supply)

Reference: RBD-1635

Dual Channel Motor Driver Shield For Arduino

Logic control, 5V from Arduino main board Polarity protection for External motor power input 2 fast test buttons for each motor channel Motor Driven Voltage：6.5 to 12VDC(VIN Power Supply), 5.0 to 26VDC (External Power Source) Up to 2A current each channel Pin 4, 5,6,7 are used to drive two DC motor Support PWM speed control Support  advance speed control

Reference: RBD-0334

9 Degrees of Freedom Breakout- MPU9150

The 9DOF MPU-9150 is the world’s first 9-axis MotionTracking MEMS device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors. And guess what? You get to play with it.

Reference: RBD-2134

433Mhz Wireless Receiver Learning Code EV1527 Decoding Module 4Ch output With Learning Button

433Mhz Wireless Receiver Learning Code EV1527 Decoding Module 4-channel output with a learning button Compatible with Arduino/ARM/MCU Ideal for wireless power switch sockets, remote controls, LED lighting, and electric doors Wide range of applications in home automation, security systems, and remote control devices

Reference: RBD-1842

Stainless Steel 1m Conductive Thread Wire for Wearable Lilypad

Material: 12UM Stainless steel fiber Gram Weight: 0.2458g/m Strength: 2.8KGF. Length: 1m. Diameter(mm): 0.12. Resistance (Ω/m) : 27.

Reference: RBD-2084

Digital Temperature Module

Power supply: 3 – 5V Good sensitivity The output format: Digital switching output (0 and 1) The comparator output signal is clean, good waveform, driving ability, more than 15mA. A fixed bolt holes for easy installation. Using a wide voltage LM393 comparator.

Reference: RBD-2212

TEA5767 Stereo FM Radio Module with Detachable Antenna

Directly plug antenna interface. I2C bus communication. Multi-capacitor combined filter. Blue LED power indicator. High sensitivity(low noise RF input amplifier). High power auto gains control AGC circuit.

Reference: RBD-2094

DHT11 Digital Relative Humidity and Temperature Sensor Module

The module can detect the surrounding environment of the humidity and temperature High reliability and excellent long-term stability The output from the digital output Humidity measuring range: 20%~90%RH(0~50 degree (temperature compensation). Temperature measuring range: 0~+50degree. Humidity measurement accuracy: ±5.0%RH. Temperature measurement...

Reference: RBD-0409

4 Channel 5V Relay Board Module

No. of Channel: 4 Trigger Voltage: 5VDC Triode drive, increasing relay coil High impedance controller pin Pull-down circuit for the avoidance of malfunction Power supply indicator and Control indicator lamp Power supply and relay instructions, lit, the disconnect is off; The input signal, signal, common Terminal and start conducting; RoboticsBD Note:...

Reference: RBD-2082

Infrared IR Sensor Receiver Module for Arduino

Dimension: 2.5 x 1.5 x 1.5 cm. Receiving angle: 90 °. Working voltage: 2.7 ~ 5.5V. Frequency: 37.9KHz Receiving range: 18m. Weight: 4 gm.

Reference: RBD-1219

3.5inch LCD Display Shield for Arduino

Supports development boards such as Arduino UNO and Mega2560 for plug-in use without wiring 480X320 resolution, clear display Support 16-bit RGB 65K color display, display rich colors 8-bit parallel bus, faster than serial SPI refresh On-board 5V/3.3V level shifting IC, compatible with 5V/3.3V operating voltage Easy to expand the experiment with SD card...

Reference: RBD-1816

TTL to RS485 Converter 3.3V/5V Hardware Automatic Control Converter Module

Anti-Interference Ability Baud rate: 110 ~ 256000bps Operating Voltage: 3v  to  30VDC Compatible With Both 3V and 5V logic

Reference: RBD-2207

AD9850 DDS Signal Generator Module

2 sine wave and 2 square wave output. AD9850: 0-40MHz. After the 20-30MHz frequency harmonics increases, the waveform will be less and less clean. Low-pass filter with 70MHz, so the waveform better than SN. Parallel and serial data input can be selected via a jumper.

Reference: RBD-1916

RS232 to TTL Serial Interface Module

IC Chip: MAX3232 Operating Voltage: 3.3-5.5V It can be used to program STC MCU, NXP MCU, Renesas MCU, STM32 MCU, N+-2EC MCU Pre-assembled compact size board Suitable for use with most microcontrollers Operates up to 250 kbit/s

Reference: RBD-0553

FPM10A Optical Fingerprint Reader Sensor Modules (With Shield)

Supply voltage: DC 3.6 ~ 6.0V / 3.3V Supplying Supply Current: Current: <120mA Peak current: <140mA Fingerprint image time: <1.0 seconds

Reference: RBD-2145

L298P Motor Driver Shield for Arduino

L298P based Arduino motor driver shield Onboard Buzzer (D4). Onboard Bluetooth interface, you can directly plug, no wiring required. Six Analog interface. Forward, Backward steering indicators

Reference: RBD-1970

Brand: DFRobot

Gravity: Speech Synthesis Module V2.0 (Support English and Chinese)

Version 2.0 More natural pronunciation Fewer pronunciation errors for polyphone characters No option of speakers

Reference: RBD-1750

Instrumentation Voltage Amplifier Module AD620

Operating Voltage: 3- 12 VDC Amplification: Adjustable 1.5~1000 times Signal Input Voltage Range: 100µV~300mV Signal Output Range: 100µV~300mV

Reference: RBD-0937

Mini Data Logger Module

SD card interface works with FAT16 or FAT32 formatted cards. 3.3v level shifter circuitry prevents damage to your SD card. Real-time clock (RTC) keeps the time going even when the Arduino is unplugged. The battery backup lasts for years. Included libraries and example code for both SD and RTC mean you can get going quickly Prototyping area for soldering...

Reference: RBD-2232

TPA3116 2.1 50Wx2+100W Bluetooth CSR4.0 Class D Power Amplifier

Working mode: Class D Operating voltage: DC18V to DC24V Rated output power: 100W + 2 x 50W Quiescent current: 60mA Work efficiency: 90%

Reference: RBD-0564

AC 0~5A Analog Current Meter Module Ammeter Sensor Board for Arduino

Onboard precision microcurrent transformer. Onboard sampling resistor. The module can measure AC currents less than 5A, the corresponding analog output 5A/5mA. Rated input current: 5A Rated output current: 5mA Change: 1000: 1 The linear range: 0 ~ 10A (100 ohms) Linearity: 0.2%

Reference: RBD-2225

1 Channel 24V Relay Board Module with OPTO Isolation Support High or Low Level Trigger

Output SPDT Relay. Header connector for connecting power and trigger voltage. LED indicates relay status. Screw terminal connector for easy relay output connection. Note: Relay brand may vary from actual product as our stock rotates.

Reference: RBD-1381

Opto-Isolator ILD213T

Forward voltage 1.55V Reverse current 100mA Capacitance 25 pF