Reference: RBD-1603

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

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

Reference: RBD-0981

MT8870 DTMF Audio Decoder Module

Low power device.  DTMF decoder chip.  Band-split filter. Digital decoding functions. Modem interfaces.  Mobile radios.

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): 20This product is shipped as unassembled and requires soldering to be completed. You will need to do the soldering yourself.

Reference: RBD-2317

5-way Tactile Navigation Switch

The  is a 4 way navigation switch (north, south, east, west) with a center push. Think of it as a mini joystick. Whilst the pins don’t align perfectly to a 2.54mm grid, it can be made to fit into a breadboard or perfboard by bending the pins.

Reference: RBD-1266

Prototype Shield With Breadboard for Arduino

It has a nice standard 0.1″x0.1″ prototyping grid with big pads Comes with Stacking headers and plain header, choose whichever you want when soldering together An IC pattern for adding DIP ICs up to 20 pins Power rails down the middle and sides A reset button and an extra general use button Two 3mm general use LEDs, red and green, as well as 2 matching...

Reference: RBD-2798

I/O Expander - MCP23008

Add another eight pins to your microcontroller using a MCP23008 port expander. The MCP23008 uses two I2C pins which can be shared with other I2C devices, and in exchange gives you eight general purpose pins. You can set each of eight pins to be input, output, or input with a pullup. There's even the ability to get an interrupt via an external pin when any...

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-3046

CP2112 Debug Board USB to I2C Communication Module

On-chip power-on reset circuit, on-chip voltage regulator: 3.45 V output Compliant with USB specification 2.0 standard; full speed (12Mbps) USB suspend status via SUSPEND and /SUSPEND pins Integrated 194-byte one-time programmable ROM for storing customizable product informationComes without soldering

Reference: RBD-3095

Brand: DFRobot

Ethernet Shield for Arduino W5200

Connect your Arduino device to the Internet with this Ethernet Shield. This Ethernet Shield is based on the W5200 Ethernet Chip and provides an easy way of getting your Arduino Online. Just plug this shield onto your Arduino UNO or Mega board, connect it to your network with an RJ45 Ethernet Cable (not included) and follow few simple instructions, you...

Reference: RBD-0400

NRF24L01+PA+LNA 2.4GHz SMA Antenna Wireless Transceiver communication module 1pcs

Voltage: 3-3.6V (recommended 3.3V) V. Maximum output power: +20dBm. Power-down mode current: 4.2uA. Operating Range: 1Km Antenna Gain (peak): 2Dbi. 2MB rate (Open area): 520m. 1MB rate (Open area): 750m. 250Kb rate (Open area): 1100m. It uses 2.4GHz global open ISM band, with license free. SPI interface facilitates the communication with MCU I/O port....

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-2552

R503 Waterproof Capacitive Fingerprint Module Sensor Scanner

R503 Fingerprint Sensor is a device that allows you to read and save up to 200 fingerprints through a touch panel, it also contains a configurable LED light indicator. This sensor is small and easy to use, it has a wide detection range, a nut so you can install it easily and it has 6 pins, 2 for power, 1 for the finger detection signal, another for the...

Reference: RBD-0306

Torobot 32 Channel USB UART Servo Motor Controller

Baud rate (USB): 115200 Baud rate (bluetooth, UART): 9600 Storage Flash capacity: 16M Mode to choose: 4 types Simultaneous controlling servo number: 32 channel Max action groups: 256 groups Communication agreement: UART Cross platform operation, can support WindowsXP, WindowsVisit, Windows7, Windows8, Windows10, Linux,FreeBsd, MAC OS, Android

Reference: RBD-1037

SIM808 GPRS/GSM+GPS Shield

Quad-band 850/900/1800/1900MHz Inner MT3337 GPS receiver, -165dBm precision, control on a same serial port. Earphone/ microphone outputs on a card or external 32-ohm speaker + supports voice calls with an electret microphone. Sending and receiving SMS.

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-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-2331

Rotary Potentiometer Analog Knobs 8 Channel Module

This is a rotary potentiometer module consisting of 8 adjustable potentiometers and the communication method is IIC interface. The module mainly uses 10K adjustable resistors. By rotating the potentiometer to change the size of the resistance value, then build a circuit to convert the change of resistance value to voltage change, read the output value...

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-0699

1.8" inch TFT LCD Display module ST7735S 128x160

Display Size: 1.8″ Driver IC: ST7735 Input Voltage (V): 3.3 to 5 Pixel Resolution: 128 x 160 Interface Type: SPI

Reference: RBD-2461

XL7015 5V-80V DC-DC 0.8A Dc converter Step-down Module Wide Voltage Input LM2596

XL7015 5V-80V DC-DC 0.8A Dc converter Step-down Module Wide Voltage Input LM2596

Reference: RBD-2150

Anti-Reverse Diode Constant Current Module 60V 10A For Backflow Protection

Type: Voltage Regulator Operating Temperature: -40-+85 Supply Voltage: 60v Dissipation Power: 10A Package: SMD

Reference: RBD-1582

TDA7492P Bluetooth 4.2 CSR8635 Bluetooth Receiver Amplifier Audio Board 2x25W for 4/6/8/16 Ohm Speakers Module Parts Component

25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω Wide-range single-supply operation (8 – 26 V) High efficiency (η = 90%) Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB Differential inputs minimize common-mode noise Standby and mute features Short-circuit protection

Reference: RBD-2041

360 Degree Rotary Encoder Brick Sensor Module

Model : KY-040. Type : Incremental Encoder. Cycles per revolution (CPR) : 20. Working voltage : 0 – 5V. Material : PCB + Brass. Mounting Nut Thread diameter: 6.6mm Weight : 10 gm.

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-1684

Arduino Pro Mini PLC Relay Board

8 Channel DC 12V Pro mini Relay Shield Module PLC Timer Board for Arduino 

Reference: RBD-1948

8 Channel 5V Relay Module

Channel: 8 channel Relay Operating Voltage: 5V One normally closed contact and one normally open contact 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 Note: Relay might be...

Reference: RBD-2316

CJMCU-4051 74HC4051 8 Channel Analog Multiplexer/Demultiplexer Breakout Board for Arduino

1.Wide Analog Input Voltage Range: +/-5V2.Low “ON” Resistance: 80 ohm (type) at Vcc = 4.5V; 70 ohm (type) at Vcc = 6.0V; 60 ohm (type) at Vcc = 9.0V3.Logic Level Translation: to enable 5V to communicate with +/-5V analog signals4.Board Size: 30 x 19 mm

Reference: RBD-2307

Stereo Enclosed Speaker 3W 8Ω

This speaker is a great addition to any audio project where you need 8 ohm impedance and 3W or less of power. We particularly like this speaker as it is small and enclosed for good audio volume and quality. It has a handy JST 2PH input cable to add audio to your displays and other projects (this connector is part of the JST-PH series which is ~2.0mm...

Reference: RBD-2757

D4184 MOSFET Control Module

N-Channel logic compatible MOSFET with optoisolation and low Rds(on).

Reference: RBD-1947

8 Channel 12V Relay Module

Operating Voltage: 12V DC 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 and easy connection. Freewheeling diode to protect your microcontroller. Input Signal Pin connected to Burg...