Reference: RBD-1777

Songle Power 24VDC Relay SRU-24VDC-SL-C PCB 5 Pin

MODEL: 24VDC WEIGHT: 50.00g DIMENSIONS: 1.80cm x 1.50cm x 1.60cm

Reference: RBD-0388

TP4056 5V Mini USB Charger Module

Input voltage : 4.5V ~ 5.5V. Input Interface: Micro USB port. Charging method: linear charge. A full charge voltage: 4.2V. RoboticsBD Power: 4.2 w. Charging accuracy: 1.5%. Operating Temperature: -10 to +85ºC Charging indicator: Blue LED charging, Red LED full Check out New Product TP4056 Lithium Battery Charger Module With Protection Dual Functions

Reference: RBD-0767

Passive Buzzer 5V

Input Voltage(Max.) : 5V Resistance: 42 Ω Resonance Frequency: 2048 Hz Body Size : 12 x 8mm Pin Pitch: 6mm External Material: Plastic; Color: Black

Reference: RBD-0925

18650 Battery Holder 4S with wire

Hold 4 standard 18650 batteries. Wire Length: 15 cm. Output: 14.8 V. Dimension (Appro.) : 80 x 76 x 18 mm. Weight: 28 gm. High-quality plastic material

Reference: RBD-0387

Arduino SD card Module

All SD SPI pins output, MOSI, SCK, MISO, and CS. Support 5V/3.3V input. This module can handle 2GB SD cards. Size:4.7  x 3.1 cm. LED indicator. SD Card Holder. RoboticsBD Onboard 3.3V regulator (AMS1117-3.3) for +5v to 3.3V generation. 3.3V is also available as output.

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-0737

5V 1 Channel Solid State Relay (SSR)

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

Reference: RBD-1370

Rotary Potentiometer with limit switch

Name: PTV09A-4020F-B103 Package/Case: POT

Reference: RBD-0995

LDR 5 mm Light Depending Resistor

Diameter: 5mm No. of Pins: 2 Type of Mounting: PCB Through Hole Maximum Operating Temperature: +800°C (Approx.) Dark resistance:1-20 Mohm

Reference: RBD-1978

4 MHz Crystal Oscillator

Frequency: 4 MHz Tolerance: 20% Operating Temperature Range: -10°C to +60°C Storage Temperature Range: -20°C to +70°C

Reference: RBD-2235

27mm Piezo Ceramic Elements Sound Sensor

Sound pressure level: 85DB 10cm The input voltage: 30vp-p max Operating Temperature: -20~70 Clear sound Ultra-thin and lightweight Low power consumption for voltage type

Reference: RBD-0668

DS1302 Real Time Clock Module (DS1302Z clock chip,32.768KHZ crystal)

Crystal 32.768KHz, matching capacitance 6pF DS1302 8-pin SMD homemade chips Seconds, Minutes, Hours, Day of Month, Day of Week, and Year Operating temperature: 0 degree — 70 degree. RoboticsBD

Reference: RBD-0411

HB100 Microwave Sensor 10.525GHz Doppler Radar Motion Detector Arduino

Low current consumption (typical 30 mA) CW or pulse operation Flat profile Long detection range (20 m) Supply voltage: 4.75V to 5.25V X-Band Frequency: 10.525 GHz Minimum Power Output: 13 dBm EIRP. RoboticsBD

Reference: RBD-0732

9V Battery to 2.1mm for Arduino Uno

Excellent material It is an environmental 9V battery buckle The Cable Length: 12cm Approx. Convenient for connecting a battery to your application. Save power and protect the environment Good electrical conductivity and comfortable sense of touch

Reference: RBD-0768

5 mm Red LED (Pack of 5)

Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent

Reference: RBD-0410

X9C103S Digital Potentiometer Module for Arduino

Supply voltage: 6V-15V Chip: X9C103S Dimensions : 28 x 14 x 4 (LxWxH) mm. RoboticsBD 10K span potentiometer. Potentiometer center tap between the 0-10k slide in total 100 (potentiometer wiper typical impedance 40 ohms)

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-0264

Brand: SparkFun Electronics

Lockitron Mechanical Assembly

Lockitron Mechanical Assembly The Lockitron Mechanical Assembly from SparkFun is a perfect solution for the DIY home automation or Internet of Things (IoT) enthusiast, whether you want to make your life easier by not awkwardly fumbling with keys or add some extra security in your home with three-factor authentication.

Reference: RBD-1993

IC 7493 4 Bit Binary Counter

IC Name: 74x93 Package/Case: DIP-14

Reference: RBD-0314

Double-ended 50cm Cable Crocodile Clips

Colour: Red, Green, Yellow, White, and Black, etc. Cable length: 40 cm. RoboticsBD Net weight: 50 gm. They are very useful for connecting components to wires. It is insulation covered clips connected to the wire from both ends. RoboticsBD *You will receive 1 pcs cable of random color.

Reference: RBD-0997

6A 250V SPDT ON-OFF Rocker Switch with Light

Rating: Max 6A at 250VAC, 10A at 125VAC Switching Mode: ON-OFF Structure: SPDT Panel Cut-Out: 17 x 13 mm Material: Plastic and Metal Colour: Black-red Overall Dimensions: 21 x 15 x 16 mm (L x W x H)

Reference: RBD-0730

DC-DC Boost Module

The performance is much higher than LM2577. Non-isolated Boost converter. It has a non-synchronous rectifier. Low ultra wide input voltage 3 v ~ 32 v, the best is 5 ~ 32 v working voltage range; Low ultra wide output voltage 5 v ~ 35 v;

Reference: RBD-1545

9-40V to 5V 3A Step Down Power Supply Buck Converter

Input voltage 9~40V Output: 5V Maximum output current 2A Efficiency: 76-90% Material: electronic component

Reference: RBD-0422

JST SH Jumper 4 Wire Assembly - 8"

Dimensions: 210 x 17 mm(LxW) Weight: 8 gm. Fit for Fingerprint Scanner - TTL (GT-511C3) & Fingerprint Scanner - 5V TTL (GT-511C1R)  Wire Sleeve material: Silicon. RoboticsBD

Reference: RBD-1736

XD-42 Breadboard Power Supply 5V / 3.3V Micro USB

Locking On/Off Switch Green LED Power Indicator Voltage Swapping Switch on both rail Channel Its concave design will not waste your proto zone. Easy to install on a breadboard with Compact portable size

Reference: RBD-1303

Battery Holder 6xAA

Cell Quantity: 6 Battery type: AA Storage temperature: 25ºC Max Operate temperature: 80ºC Dimensions: 92 x 57 x 15 mm

Reference: RBD-0623

DC-DC 9V/12V/24V to 5V USB Step Down Power Module 2A

Input voltage range: 6-26V Output voltage: 5.2V (consider the charge line loss, the output is 5.2V or so, the load side is about 5V) Output current: 3A (in the absence of a heat sink device, the stable output current is 2A) Two output Port can charge two devices simultaneously. RoboticsBD

Reference: RBD-0337

Brand: Waveshare

Liquid Level Sensor for Arduino (WaveShare)

Detection depth: 48mm Power: 2.0V ~ 5.0V Dimension: 19.0mm * 63.0mm Mounting holes size: 2.0mm

Reference: RBD-0180

Brand: SparkFun Electronics

Makey Makey Kit

Description: This is the same product as the Makey Makey Standard Kit. The difference is this version comes in fancy clamshell packaging meant for our distributors that need it. Regular customers are welcome to order, but we want to limit the amount of extra packaging finding its way into the trash heap.

Reference: RBD-1188

IR Infrared Transmitter - White (5mm)

5 mm Clear Transparent Round Small Lens (Emitting Angle: 30 degrees) Forward Voltage / Direct Current : DC 1.5 Volt 20 mA (Low Voltage Energy Saving) Infrared Ray 850nm (Luminous Invisible Light) for Night Vision CCTV Security Camera Polarity (1.5 V) : Anode (Longer Part) | Cathode (Shorter Part)