2N2222 NPN Transistor

Reference: RBD-0348

Heart Rate Pulse Sensor Module For Arduino

A Color-Coded Cable, with a standard male header connectors. Plug it straight into an Arduino or a Breadboard. No soldering is required. The Pulse Sensor has 3 holes around the outside edge which make it easy to sew it into almost anything. Visualization software (made in Processing) to instantly see the output of the sensor and for troubleshooting.

Reference: 1842

Stainless Steel 1m Conductive Thread Wire for Wearable Lilypad

Material: 12UM Stainless steel fibre Gram Weight: 0.2458g/m Strength: 2.8KGF. Length: 1meter. Diameter(mm): 0.12. Resistance (Ω/m) : 27.

Reference: RBD-1698

Brand: DFRobot

Jumper Cap (Pack of 10)

Jumper Cap Dupont Pin Breadboard Pin

Reference: RBD-1326

WS2812 16-bit 5050 Full Color RGB LED Module

Outer Diameter: 68 mm. Supply Voltage: DC 4-7V. LED driver chip: WS2812B Communication interface: single wire communication. Send data at speeds of 800Kbps. The color of the light was highly consistent Full-color module, Full-color soft lights a lamp strip

Reference: RBD-0758

BC547 NPN Transistor

BC547 NPN DIP Transistor

Reference: RBD-1360

1N4007 Diode

PN junction rectifier diode. One direction flow of Current. Used for conversion of AC power to DC. 1N 4007 is electrically compatible with other rectifier diodes  Used instead of any of the diode belonging to 1N400X series

Reference: RBD-1688

LM1084 5A Low Dropout Positive Regulator

LM1084 5A Low Dropout Positive Regulator

Reference: RBD-1890

50K Ohm Potentiometer

Resistance: 50k Ω. Tolerance: 20%. Shaft Length: 15mm.

Reference: RBD-0344

Weighing Sensor 24 Bit HX711 Dual-Channel

Output Sensitivity: 1.0 ± 0.1 mV / V. Two selectable differential input channels. On-chip active low noise PGA with the selectable gain of 32, 64 and 128. On-chip oscillator requiring no external component with optional external crystal. On-chip power-on-reset. Measurement Resolution: 24 bit.

Reference: RBD-1501

IC Base sockets 8 pin

6 pins. JDEC compliant. Molded notch for proper orientation. Easy to insert and remove ICs.

Reference: RBD-0993

1k ohm Variable Pot Resistor 102

Resistance: 1k Ohm Tolerance: 10 % Temperature coefficient: ±100 ppm/ºC Operating temperature range: -55ºC to +125ºC Mounting type: Through-hole

Reference: RBD-1659

Double Sided FR-4 PCB Prototype Board 5x7cm

Dimension: 5×7 CM Quantity : 2 PCS Base Material FR4 Copper Thickness 1-4 OZ Board Thickness 1.6 PCB Weight; 10 gm PCB color: Green

Reference: RBD-0992

10k ohm Variable Pot Resistor 103

Resistance: 10k Ohm Tolerance: 10 % Temperature coefficient: ±100 ppm/ºC Operating temperature range: -55ºC to +125ºC Mounting type: Through-hole

Reference: RBD-0836

14500 Rechargeable Lithium Battery 1300mah 3.7v

Model: 14500 Type: Li-Ion Battery Mark Capacity: 850mah Nominal Voltage: 3.7v Color:    Blue    Weight: 17g Rechargeable Battery: Yes ***It's a clone battery so the ampere couldn't be guaranteed.

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. Onboard 3.3V regulator (AMS1117-3.3) for +5v to 3.3V generation. 3.3V is also available as output.

Reference: RBD-1289

74164 Shift Register

IC 74LS164 8-bit Parallel-Out Serial Shift Register with Asynchronous Clear Package / Case: 14-DIP

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-1846

RJ45 8P8C Female PCB Jack Ethernet Network Connector

PCB Mounting Type modular jack for easy PCB mounting. RJ45 Modular PCB Jack Telephone Connector. Easy to soldering, suitable for the standard network RJ45 cable, is used widely in-home or office network systems. 1 pcs

Reference: RBD-1742

10 X 1.5V AA Back to Back Plastic Battery Holder with Wire

Holds 10 x AA batteries Easy install, convenient to use. Dimensions mm (LxWxH): 78X 60 X 28 Weight: 27.4 gm Material: Plastic Internal Connection: Series

Reference: RBD-0994

ON/OFF Switch 12VDC

Current Rating: 10 Amps Operating Voltage: 12 Volts Switch Type: Rocker Switch, SPST Terminal: Spst Mounting Type: Tension

Reference: RBD-1153

Breadboard Jumper Wire Set

135 quality jumper Color: red, orange, yellow, green, blue, purple, gray, brown, white. Box size: 165 × 55 × 10 (LxWxH) mm. 140 pcs of 22 AWG solid wires

Reference: 1818

741 Operational Amplifier UA741CP

Single, 36-V, 1-MHz operational amplifier. The µA741 device is a general-purpose operational amplifier featuring offset-voltage null capability. The high common-mode input voltage range and the absence of latch-up make the amplifier ideal for voltage-follower applications. The device is short-circuit protected and the internal frequency compensation...

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-1013

LM358P Dual Operational Amplifiers Op-Amp DIP8

Wide supply voltage ranges Low supply-current drain independent of supply voltage Common-mode input voltage range includes ground, allowing direct sensing near ground Low input bias and offset parameters Internal frequency compensation

Reference: RBD-1381

Opto-Isolator ILD213T

Forward voltage 1.55V Reverse current 100mA Capacitance 25 pF

Reference: RBD-1777

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

• Switching capacity available by 10A in spite of small size design for highdensity P.C. board mounting technique. • UL,CUL,TUV recognized. • Selection of plastic material for high temperature and better chemical solution performance. • Sealed types available. • Simple relay magnetic circuit to meet low cost of mass production.

Reference: RBD-1685

5050 12V RGB LED Strip For Computer Case 5x.05m Waterproof

5050 12V RGB Led Strip light 4pin LED Headers For PC, Computer Case  RGB Strip Mainboard Control Panel RGB-Header (+12V,G,R,B) 5x0.5m Waterproof

Reference: RBD-0729

GPS Antenna 1575.42 MHz

Frequency (MHz) 1575 +/- 5 MHz Gain > 28 dBi (with LNA) Impedance (Ω) 50 Ω VSWR < 1.5 Polarization RHCP Power Handling (W) 50 watts Cable Length: 3Meter Connector: SMA-Male

Reference: RBD-0265

QR701 58mm Embedded Receipt MIni Thermal Printer

Printing method: Thermal dot printing Printing speed: 50 - 80mm/s Resolution: 8 points/mm, 384 points/line Effective print width: 48mm Character set: ASCII, GB2312-80 (Chinese)

Reference: RBD-0222

Piezo Element 35MM

Sound pressure level: 85DB 10cm The input voltage: 30vp-p max Ultra-thin and lightweight Low power consumption for voltage type Operating Temperature: -20~70 Storage Temperature: -30-80 Clear sound