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-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): 20

Reference: RBD-1769

Mini MP1584EN DC-DC BUCK Adjustable Step Down Module

3 reviews

Input Voltage: 4.5V – 28V Output Voltage: 0.8V – 20V Output Voltage Adjustment: On-board potentiometer Output Current:  1.8A (typical), 3.0A (max). Ceramic Capacitor Stable Internal Soft-Start Internally Set Current Limit without a Current Sensing Resistor

Reference: RBD-1773

VHM-314 V3.0 Bluetooth Audio Receiver Board

2 reviews

Supply Voltage: 5V USB / 3.7V lithium battery Output Port: 3-wire audio interface/DIY pad Output Type: Analog signal Bluetooth name: VHM-314-V3.0 Bluetooth version: 5.0 Bluetooth passcode: no password Sound source: Bluetooth. USB-PC input(after the back pad is connected, the computer can be connected as a sound card though Micro) Operation method:...

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-1808

STM32 STM32F407VET6 512K System Core Board Development Board

Model: F407VE-512K STM32F407VET6 development board F407 microcontroller learning board STM32 system board

Reference: RBD-1809

Digispark Pro - ATtiny167 with Micro USB

Digispark Pro  ATtiny167  Micro USB 16MHz

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-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-1834

PT100 to 0-5V Converter PCB-mounted PT100 to 0-10V Conversion Module RTD PT100 to Voltage Signal Conditioner

PT100 to 0-5V Converter Voltage Signal Conditioner PCB-mounted

Reference: RBD-1840

DS1302 Real Time Clock Module

5 reviews

The DS1302 trickle-charge timekeeping chip module with battery backup  A real-time clock/calendar and 31 bytes of static RAM. Communicates with a microprocessor via a simple serial interface. Real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. Note: Batteries not included.

Reference: RBD-1842

Stainless Steel 1m Conductive Thread Wire for Wearable Lilypad

3 reviews

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-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-1871

EGS002 SPWM Pure Sine Wave Inverter Module

5V single power supply. Wave frequency adjustable 0-400Hz adjustable frequency pure sine wave. Unipolar and bipolar modulation mode. External 12MHz crystal oscillator. PWM carrier frequency 23.4KHz. Voltage, current, temperature feedback real-time processing. Overvoltage, Undervoltage, overcurrent, overheating protection function. Pin set soft-start mode...

Reference: RBD-0937

Mini Data Logger Module

2 reviews

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-1910

8 Channel 12V Relay Module USB (PC Intelligent) Control Switch

Square onboard USB interface for connection stability The use of imported high-performance USB controller chip Use the special relay driver chip ULN2803, relay work more stable Military grade PCB board production Input voltage: DC 12 V Input Current: more than 300mA Connection : NC / COM / NO Note: Relay might be different from the picture as per stock

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-1912

L293D Motor Driver Module

1 review

New L293D motor shield, the input voltage DC4.5-25V 600mA output current capability per channel 1.2A peak output current(non-repetitive) per channel Enable facility Overtemperature protection Logical “0” input voltage up to 1.5V(High noise immunity)

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-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-1928

HC-08 Bluetooth 4.0BLE Serial Port Module

Frequency: 2.4GHz ISM. Protocol: BLE 4.0. Max transmitting power: max. 4dBm. Modulation System: GFSK. Serial Baud Rate: 1200 to 115200 bps. Reference Distance: 80 meters.

Reference: RBD-1929

3.5inch HDMI Display-B

1 review

General-purpose HDMI display, Connecting computers, TV boxes, Microsoft Xbox360, SONY PS4, Nintendo Switch and so on Can be used as Raspberry Pi display that supports Raspbian, Ubuntu, Kodi, Win10 IOT, single-touch, free drive Can be used as PC monitor, support Win7, Win8, Win10 system (No touch Function)

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...

Reference: RBD-1948

8 Channel 5V Relay Module

2 reviews

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-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-2039

DY-SV5W Audio Playback MP3 Module

Product Name:DY-SV5W Voice Playback Module Product Number:DY-SV5W Work Voltage:DC 5V Working Temperature range:-20℃~85℃ Working Humidity range:0%-95%RH Size :35*35*4.5mm

Reference: RBD-2041

360 Degree Rotary Encoder Brick Sensor Module

9 reviews

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-2042

LilyPad Coin Cell CR2032 Battery Holder Switched - 20mm

Model: LilyPad Color: Purple Material: CCL Dimensions: 30 x 30 x 6 (LxWxH) mm. Weight: 3 gm.

Reference: RBD-2044

ESP32-CAM-MB MICRO USB Download Module for ESP32 CAM Development Board

11 reviews

Model: ESP32-CAM-MB Color: Black Chipset: CH340G Connectivity Technology: USB Note: The camera module is not included with the board.

Reference: RBD-2057

CH9350 USB Serial Module HID Keyboard Mouse Barcode Reader For Arduino

Access multiple interfaces simultaneously  Serial Communication Smaller Volume Wide Range of applications You can access the sample code and documents for this product by visiting your order history page.