LM358P Dual Operational Amplifiers Op-Amp DIP8

12V 60W TEC1-12706 Thermoelectric Cooler Peltier

Get cold or heat up by simply reversing the polarity, used for numerous applications from CPU coolers to alternate power sources, or even for your own custom car drink warmer/cooler.

Push Button Switch

18650 Li-ion Rechargeable Battery

18650 Li-ion Rechargeable Battery 3.7 Volt Rechargeable Lithium ION Re/Discharging Protection Circuit   It's a clone battery so the ampere couldn't be guaranteed.

Piezo Element 35MM

Piezo Element 35MM

DC-DC Boost Module

XL6009 DC-DC Booster

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. 

IR Transmitter - White (5mm)

IR 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)

Line Following Robot Kit

74151 data selectors/mux

74151 Data selectors/multiplexers  contain full on-chip decoding to select the desired data source. 74151A selects one-of-eight data sources.

Capacitor 16v 100uf

Brand: DFRobot

Relay Shield for Arduino V2.1 with Xbee Socket

STM32F103C8T6 ARM STM32 Minimum System Development Board Module Arduino

Description:Model: STM32F103C8T6.Core: ARM 32 Cortex-M3 CPU.Debug mode: SWD.72MHz work frequency.64K flash memory, 20K SRAM.2.0-3.6V power, I/O.Reset(POR/PDR).4-16MHz crystal.On-board Mini USB interface, you can give the board power supply and USB communication.

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.

5 mm Red LED (Pack of 5)

Superbright Ultra Violet LED UV Lamp 5mm 2500mcd

Superbright Ultra Violet LED UV Lamp 5mm 2500mcd **Damage from UV exposure is cumulative and increases your skin cancer risk over time. So be careful when you use it.

TP4056 5V Mini USB Charger Module

Carlo Gavazzi Solid State Relays, RJ1A Series

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

Arduino SD card Module

Arduino SD card Module

Veroboard

 6.5x14.5cm Stripboard Veroboard Uncut PCB Platine Single Side Circuit Board.  

Songle Power 12VDC Relay SRU-12VDC-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.

PL2303 USB to TTL Serial Converter (Windows 7 & 10 Compatible)

PL2303 USB to TTL Converter Windows 7 & 10 Compatible

2N2222 NPN Transistor

Brand: SparkFun Electronics

LIDAR-Lite v3

Features: Range: 0-40m Laser Emitter Accuracy: +/- 2.5cm at distances greater than 1m Power: 4.75–5V DC; 6V Max Current Consumption: 105ma idle; 130ma continuous Rep Rate: 1–500Hz Laser Wave Length/Peak Power: 905nm/1.3 watts Beam Divergence: 4 m Radian x 2 m Radian Optical Aperture: 12.5mm Interface: I2C or PWM

LED - SMD RGB HL5011

CD4026BE

Battery Holder with Jack 6xAA

6AA Battery Case Storage Holder DC2.1 Power Jack For Arduino

RS485 USB-485 Converter Adapter Support Win7 XP Vista Linux Mac OS

 RS485 USB-485 Converter Adapter Support Win7 XP Vista Linux Mac OS

Precision Real Time Clock Module DS3231 AT24C32 I2C

Precision Real Time Clock Module DS3231 AT24C32 I2C

LF356n Operational Amplifiers

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,