10K Ohm Potentiometer

100uH 0.5W Color Ring Inductor

100uH (0.1mH) 1/2W with ±10% Tolerance, Axial Lead, Epoxy Coated, Color Band Identifier, Fixed Inductor

Obstacle Avoiding Robot Kit

2N2222 NPN Transistor

14500 Rechargeable Lithium Battery 1200mah 3.7v

14500 Rechargeable Lithium Battery 1200mah 3.7v  It's a clone battery so the ampere couldn't be guaranteed. Buy Battery Holder 2S  3S  (Compatible with AA Battery Holder) Model: 14500Type: Li-Ion BatteryMark Capacity: 1200mahNominal Voltage: 3.7vColor:    Blue   Weight: 17gRechargeable Battery: YesRechargeable Times: Up to 500 timesSize: 50mm x 14mm...

Full-Color RGB SMD Led Module

KEYES 5050 Full-Color LED SMD Sensor Module 3-Color RGB Tricolor Current-limiting with Dupont Line for ArduinoMain Features:● Using 5050 full color LED● RGB tricolor current-limiting resistance to prevent burn out● Through the PWM adjusting three primary colors can be mixed to obtain different colors● With a variety of single-chip interface● Working...

TCRT5000L Reflective Optical Sensor

The TCRT5000 and TCRT5000L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light. The package includes two mounting clips. TCRT5000L is the long lead version.

AC Light Dimmer Module, 1 Channel, 3.3V/5V logic, AC 50/60hz, 220V/110V

The AC Dimmer is designed to control the alternating current voltage, which can transfer current up to 600V/16А.

Carlo Gavazzi Solid State Relays, RJ1A Series

Carlo Gavazzi Solid State Relays, RJ1A Series Item# RJ1A23D20U SSR SOLMINI 230V 20A 5-32VDC U

3.6V Micro Hydro Generator

This G1/2 micro hydro generator provides you clean and renewable electricity. With the help of the regulator circuit inside, the output of this generator is stable at 3.6V.  Time to replace the Li-po batteries in your waterside projects with the green and more accessible hydropower. ** Battery Not Included **

Brand: SparkFun Electronics

Mini Thermal Printer

Description: This is a thermal printer like you would find on a cash register or adding machine. It will print simple strings passed to it via TTL serial, bitmap images (poorly)and it even generates several different formats of barcodes!

1.5W 8ohm Mini Speaker DIY

15mmx24mm Speaker, rated power is 1W, impedance is 8 Ohm This small speaker will be your best choice in DIY audio speakers it will work well for home audio-visual equipment and other speakers Unique design, adopted well-performed magnet, imported rubber coil The package includes 1pcs small speakers, if the item you have received is defective or get some...

Piezo Element 35MM

Piezo Element 35MM

Brand: SparkFun Electronics

Raspberry Pi - 2 Model B Enclosure (Black)

Raspberry Pi - Model B+ Enclosure (Black) Description: The Raspberry Pi Model B+ is THE new favorite of development platforms, so the last thing that you’d want is for something bad to happen to it. Why not protect it with one of these snazzy black plastic enclosures?

Battery 9V

Battery 9V

Leap Motion Controller

The Leap Motion Controller tracks both hands and all 10 fingers with pinpoint precision and incredible  speed. Setup is easy, just plug into your PC or Mac and launch Airspace, your home for Leap Motion apps. Play, create, and explore in a whole new way!In Airspace, the Leap Motion App store,

Key Switch Small

Have you ever wanted to start your widget the same way you start your car? These small switches are the key to making that happen. This simple ON-OFF switch can be used to power up your project with the turn of a key. At only 14.6mm across the top and 23mm long, it won't take up much space in your project enclosure. While the datasheet does rate these...

Tolsen Cordless Screwdriver (Set)

Cordless Screwdriver With Set

Dual USB 5V 1A 2.1A Mobile Power Bank Board PCB Module Board

Dual USB 5V 1A 2.1A Mobile Power Bank 18650 Battery Charger PCB Power Module Accessories For Phone DIY New LED LCD Module Board

74164 Shift Register

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

Brand: DFRobot

APC220 Radio Communication Module

INTRODUCTION The APC220 radio module provides a  simple and economic solution to wireless data communications. Integrates an  embedded high speed microprocessor  and high performance IC that creates a  transparent UART/TTL interface, and  elminates any

AA Battery Holder 2s

X9C103S Digital Potentiometer Module for Arduino

Module Voltage: DC6-15V;Operating Current: less than 5mA;Transmitting Power: less than 2mAOutput Signal: TTL trigger repeated, high and low. High output 5V, low level 0V;Detection Angle: 180 degrees (hemispherical);Detection Range: 3-8m,the default setting is 7mWork Delay: 2S-120S,the default setting is 20S

10k ohm Variable Pot Resistor 103

10K OHM 103 VARIABLE RESISTOR

Mini Breadboard

Description: This black Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple circuits; They’re also great for breaking out DIP package ICs to jumper wires! If you run out of room, no worries, these mini breadboards can be snapped together to form larger stretches of board...

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

ESP8266 is a wifi SOC (system on a chip) produced by Espressif Systems. It is an highly integrated chip designed to provide full internet connectivity in a small package. This is a module based on ESP8266 chip. Please see supplied pinout photo and schematics for connectivity details. There is a lot of online resources available for this module. 

Rotary Potentiometer with limit switch

9mm Dual Gang Volume Control b103 Rotary Potentiometer  Rotary Potentiometer with limit switch

Brand: DFRobot

Relay Shield for Arduino V2.1 with Xbee Socket

SJCAM SJ4000 WiFi 1080P Full HD Action Camera Sport DVR

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

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

AA Battery Holder 3S