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-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-2090

Magic Cup Tilt Switch Module

Operates on 5V DC supply. Mercury switch

Reference: RBD-1336

ESP8266 5V WIFI Relay Smart Home Remote Control Switch

Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay Transmission Distance : 400m (max) Relay : 5V,10A/250V AC 10A/30V DC Baud Rate: 9600. Diode effusion protection; Short...

Reference: RBD-0345

ESP8266 ESP-01 WIFI Wireless Transceiver Send Receive LWIP AP+STA M70

802.11 b/g/n Standards Wi-Fi Direct (P2P), soft-AP 1MB Flash Memory Integrated low power 32-bit CPU could be used as an application processor A-MPDU & A-MSDU aggregation & 0.4ms guard interval Wake up and transmit packets in < 2ms Standby power consumption of < 1.0mW (DTIM3) RoboticsBD

Reference: RBD-1762

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

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): 20

Reference: RBD-0986

4x4 Keypad - 16 Key - Matrix Membrane Type

Ultra-thin design & adhesive backing provides easy integration to any project. Excellent price-performance ratio. Easy communication with any microcontroller 5 pins 2.54mm pitch connector, 4x 4type 16 keys. Sticker can peel off for adhesive mounting.

Reference: RBD-2227

HLK-LD1115H 24Ghz Human Presence Sensor mmWave Radar Module

High sensitivity 24GHz millimeter wave human presence detection radar module Detects and accumulates small movements like human breathing Higher accuracy in presence detection within a certain range Not easy to miss detections Detection distance: > 4m static human presence, > 16m motion Range: Hanging height 3m, static body detection coverage radius...

Reference: RBD-2304

WS2812B RGB LED 24 Bit Ring

This is the 24 LED NeoPixel Ring, a small chainable 86mm outer diameter board equipped with 5050 WS2812 RGB LEDs. The WS2812s are each addressable as the driver chip is located inside the LED. Each NeoPixel Stick has ~18mA constant current drive so the color will be very consistent even if the voltage varies, and requires 5 V.

Reference: RBD-0346

PN532 NFC RFID Read / Write Module V3 Kit

The PN532 is a highly integrated transmission module for contactless communication at 13.56 MHz including microcontroller functionality based on an 80C51 core with 40 Kbytes of ROM and 1 Kbytes of RAM. The PN532 combines a modulation and demodulation concept completely integrated for different kinds of contactless communication methods and protocols at...

Reference: RBD-1408

AMS1117 3.3V 5V/3.3V DC Mini USB Power Supply Module

Type: CJMCU MINI USB AMS1117 MINI USB interface input 5V MINI USB outputs 5V and 3.3V DC power socket interface input 5V – 12V. DC power outlet output (5V label) 5V and 3.3V Weight: 2 gm.

Reference: RBD-1333

Button Keypad 3x4 module (Assembled)

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. Dimensions: 56 x 80 x 17 mm.(LxWxH)

Reference: RBD-0313

RC522 RFID Card Reader Module Kit Android NFC supported

Low power consumption, Low cost, and Compact size Read and write chip Fully integrated at 13.56MHz

Reference: RBD-2409

Multifunction Shield For Arduino

10K adjustable precision potentiometer. 3 x Independent push buttons. Piezo buzzer. DS18B20 temperature sensor interface. LM35 temperature sensor interface. Infrared receiver interface.

Reference: RBD-2238

LilyPad SMD LED Blue Color

Wearable e-textile technology.  Designed with large sew tabs LED Blue Color

Reference: RBD-1759

Brand: Waveshare

E-Ink Electronic E-paper Display Screen Module 200x200, 1.54inch

Display Resolution: 200 x 200 Display Screen Color: Black and White No backlight so keeps displaying last content for a long time even when the power is down Ultra low power consumption, basically power is only required for refreshing SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc.

Reference: RBD-2312

WS2812 RGB 4X4 Display

When it comes to adding colour to an electronics projects, these 4x4 NeoPixel Squares use WS2812 Addressable RGB LED’s to display up to 16777216 different colour combinations, with simple operations and built-in features to greatly enhance functionality. This makes them ideal as LED Displays for basic to intermediate Electronics projects, and despite...

Reference: RBD-2076

5mm Two-Color LED Module

Operating Voltage:2.0v ~ 2.5v Current:10mA Diameter:5mm Color: Red + Green Beam Angle:150

Reference: RBD-0990

XFS5152CE Speech Synthesis Module TTS Voice Module

Support any Chinese text, English text synthesis, and support for English mixed Support voice codec function, the user can use the chip for direct recording and playback Support speech recognition function, can support the recognition of 30 command words.

Reference: RBD-1911

XD-21 LM358 Gain Amplification Module Operational Amplifier Module

LM358 chip onboard. 100 gain of the circuit design. 10K onboard adjustable resistance, you can adjust the magnification. Onboard power indicator. The chip has led major pin can be directly input and output signals.

Reference: RBD-2100

Flame Sensor Module

Comparator chip LM393 makes module readings stable. Operating voltage 3.3V-5V. Fast Response Time Sensitivity adjustable Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm. Detection range: up to 100 cm. Adjustable detection range. Detection angle about 60 degrees, it is sensitive to the flame spectrum.

Reference: RBD-2555

Humidity Sensitive Relay Module 5V

This is a self-contained switching module that energizes / de-energizes a relay based on the humidity level.   Just add 5V power and hook up the load you want to control then adjust the potentiometer to set the relative humidity level at which you want the relay to switch between ON / OFF. This type of module can be used for applications such as to...

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-2421

Nebulizer Ultra Fine Mist Maker Humidifier USB Driver Board Circuit

Product name: Humidifier Driver BoardColor: As showVoltage: DV 5VCurrent: 300mAPower: 2WFrequency: 110KHzSize: approx. 46 *20*17mm/1.81*0.79*0.67"

Reference: RBD-0737

5V 1 Channel Solid State Relay (SSR)

Power supply:5VDC/160mA Switching Voltage (VAC):240@2A Isolation: Phototriac

Reference: RBD-1670

ESP8285 IR Infrared Transmitter Receiver Module WIFI Remote Control Switch

The smallest 802.11b/g/n Wi-Fi SoC module Uses low power 32bit CPU and compatible with the application processor Main frequency up to 160MHz Built-in 10Bit high precision ADC Support UART/GPIO/PWM/ADC interface Integrate Wi-Fi MAC/BB/RF/PA/LNA

Reference: RBD-2554

Operational Single/Dual Amplifier OP AMP Tester Single/Dual Op Amp Test Board

Type: Operational Amplifier Test Board Material: PCB Size: Approx. 92 x 57 x 17mm / 3.62 x 2.24 x 0.67in Working Voltage: DC 12V Working Current: >100mACompatible Op-Amp Models: Single Op-Amp: LM741, LF356, NE5534, TL071, TL081, OP07, and other standard package single op-amps. Dual Operational: LM358, NE5532, TL072, TL082, MC1458, RC4558, OP275, AD827,...

Reference: RBD-2566

High Power MOSFET Module 5-36V 15A

With this High-Power MOSFET module you can easily use the double mosfet through the separate connections for power supply, switch pins and signal pins.The LED on the module indicates whether the MOSFET is switched on. This board is particularly useful for controlling a large LED strip (one color) or a motor (in one direction) by using. PWM.

Reference: RBD-2302

PCA9548A I2C 8 Channel Multiple Extensions Development Board

Low Standby Current. 1-to-8 Bidirectional Translating Switches. I2C Bus and SMBus Compatible. 5-V Tolerant Inputs. Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II. Note : Product may vary in two variants TCA9548A &  PCA9548A

Reference: RBD-2306

WS2812B RGB LED 12 Bit Ring

The 12 Bit RGB LED Ring Module with Integrated Drivers – WS2812B can be used in colourful curtain-up/ flow water/raindrop/jump flash and so on hundreds of lighting effects. There is a single data line with a very timing-specific protocol. It has trichromatic colour for each pixel and can complete 16,777,216 colours of all true colour displays, the...