Reference: RBD-1398

1 Channel 12V Relay Board Module

8 reviews

Brand new and high quality. 1-Channel Relay interface board, Equipped with high-current relay : 15A @ 125V AC or 10A @ 250V AC Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM) **Relay Brand is different from the picture as per stock

Reference: RBD-1402

NodeMCU ESP8266 Expansion Base Board

7 reviews

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.

Reference: RBD-1417

MAX7219 Dot Led Matrix LED Display Module

1 review

SMD-MAX7219-MODULE A single module can drive an 8 * 8 common cathode lattice Module Operating voltage: 5V. Module with input and output interfaces Supports multiple modules cascade Led color: Red

Reference: RBD-1575

5V 2 Channel Solid State Relay (SSR)

1 review

Part Number: G3MB-202P Power supply:5VDC/160mA Trigger Voltage (VDC):5 Switching Voltage (VAC):240@2A Isolation: Phototriac

Reference: RBD-1602

WeMos D1 CH340 WiFi Development Board ESP8266 ESP-12F

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

Reference: RBD-1603

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

2 reviews

USB-TTL converter. Logic Level: 5V. Operating Supply Voltage: 5V. Digital I/O Pins: 14. Analog I/O Pins: 6.

Reference: RBD-1738

Active Speaker Buzzer Module for Arduino 5V

16 reviews

Operating Voltage : 1.5 ~ 15V DC Working Current: Less than 25mA Tone Generation Range : 1.5 ~ 2.5kHz Dimensions (LxWxH):  26 x 15 x 11 mm

Reference: RBD-1762

Mini BD243 Bubble 9-12V Tesla Coil Electronics Wireless PCB Module

4 reviews

Input voltage(V): 9-12 It can produce high-temperature PCB board size(cm):  3.1 x 4 It is convenient for fans to install high efficiency Weight(g): 20This product is shipped as unassembled and requires soldering to be completed. You will need to do the soldering yourself.

Reference: RBD-1810

L293D Shield for NodeMCU V2

1 review

Motor Power Range: 4.5V ~ 36V Control supply range: 4.5V ~ 9V Logical operating current Iss: ≤60mA Driving part of the work current Io: ≤1.2A Maximum power dissipation: 4W (T = 90 ℃) Operating temperature : -25 ℃ ~ + 125 ℃ Drive Type: Dual high-power H-bridge driver

Reference: RBD-1815

PC817 4 Channel Optocoupler Isolation Board

I/O Isolation for MCUs (Micro Controller Units) Noise Suppression in Switching Circuits Driving Port Signal Voltage: 3.6-24V Output Port Voltage Port: 3.6-30V Output Can Be Switched From Pull-Up or Pull-Down With Jumpers.

Reference: RBD-1867

TDA7297 Audio Amplifier Module

Original TDA7297 core technology Easy Plug and Play Operation Dynamic operating Voltage Range: 8 to 16V High fidelity Dual 15W output.

Reference: RBD-1923

PWM to Voltage Converter Module 0-100% to-10V

2 reviews

Conversion range: 0% -100% PWM to 0-10v voltage PWM signal reception frequency range: 1KHz – 3KHz Operating voltage: 12V – 30V DC Allowable error: 5%

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-1973

Brand: DFRobot

IO Extender for micro:bit

Easy-to-use  Low-cost expansion board for micro:bit Leads out all IO ports of micro:bit Specially-designed port for “HuskyLens AI camera”. This board can be used to Provide stable 5V power supply for HuskyLens to make it run steadily in all modes. Silkscreens on the back clearly indicate the functions of all interfaces

Reference: RBD-2149

50kg Half-bridge Experiments Body Scale Load Cell Sensor

1 review

Capacity (Kg): 50. Output Sensitivity (mv/v): 1.0±0.1. Nonlinearity (%FS): 0.03. Repeatability (%FS): 0.03. Input Resistance (Ω): 1000. Insulation Resistance (MΩ): ≥5000.

Reference: RBD-2156

4×4 Matrix 16 Keyboard Keypad

2 reviews

Easy communication with any microcontroller. Tactile type switches. Over 1,000,000 operations per key. Contact rated for 12V dc @ 20mA. Over 1,000,000 operations per key.

Reference: RBD-2157

4×3 Matrix 12 Keyboard Keypad

Easy communication with any microcontroller. Tactile type switches. Over 1,000,000 operations per key. Contact rated for 12V dc @ 20mA. Over 1,000,000 operations per key.

Reference: RBD-2219

ESP32-IO Shield Expansion Board for Arduino WIFI ESP32

ESP32-IO shield Compatible with RoboticsBD ESP32 Core board Brings out all the pins of RoboticsBD ESP32 Core board 2 rows of 2.54mm pin headers for connecting other sensors Power supply circuit for RoboticsBD ESP32 Core board DC 7-12V voltage input DIP switch for controlling the power

Reference: RBD-2220

Full Color LED Module SCM Light Water 5050 LED Module For Arduino

Good PRINT PACK design, very beautiful. 8 world of the three primary colors (red-green-blue) LED color, scanning control mode. Applicable for various platforms, such as 51 / AVR / AVR / ARM / for Arduino All kinds of platforms.

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-2114

Multifunctional Expansion Board LM35 Temperature Buzzer for UNO

Multifunctional Expansion Board LM35 Temperature Buzzer for Arduino UNO Fully compatible with Arduino UNO interface Integrates multiple module functions Provides basic experimental modules for beginners Expansion ports for additional module experiments

Reference: RBD-0377

Monster Moto Shield Dual VNH2SP30 Motor Driver Module 30A

Voltage Max: 16V Maximum current rating: 30 A Practical Continuous Current: 14 A Current sensing available to Arduino analog pin MOSFET on-resistance: 19 mΩ (per leg) Maximum PWM frequency: 20 kHz Thermal Shutdown Undervoltage and Overvoltage shutdown. RoboticsBD