DC barrel jack

Sonoff 4CH R2 Smart Switch Wifi

Sonoff 4CH R2 Smart Switch Wifi Power Supply: 90V~250V AC(50/60Hz) Max. Current: 10A/gang Max. Power：2200W/gang, 2200W/Total Wireless Standard: 802.11 b/g/n Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0

Kiloohm (KΩ) 1/4w Resistors - Pack of 5

Choose your desire Resistor value from below: 

Reference: SparkFun

Flex Sensor 2.2"

Description: A simple flex sensor 2.2" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used in the originalNintendo Power Glove. I love the Nintendo Power Glove. It’s so bad!

Precision Real Time Clock Module DS3231 AT24C32 I2C

Precision Real Time Clock Module DS3231 AT24C32 I2C

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.

AA Battery Holder 4S

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. 

5V LED Traffic Light Module

5V LED Traffic Light Module

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.

Slip Ring - 6 Wire (1.5A) max 240V

Features: 6 wires Voltage: 210VDC / 240VAC Current Rating: 1.5A Operating Speed: 250RPM Compatible with data bus protocols Transfers analog and digital signals

Reference: Sparkfun

RFID Reader ID-20LA (125 kHz)

Description: RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for the purposes of identifying and tracking tags attached to objects. This is the ID-20LA, a very simple to use RFID reader module from ID Innovations. With a built in antenna, the only holdup is the 2mm pin spacing. Power the...

USB Saleae Compatible 24MHz 8Channel Logic Analyzer Latest Support 1.1.15

Capacitor 16v 100uf

Battery 9V

Battery 9V

14500 Rechargeable Lithium Battery 1300mah 3.7v

14500 Rechargeable Lithium Battery 900mah 3.7v  Buy Battery Holder 2S  3S  (Compatible with AA Battery Holder) Model: 14500Type: Li-Ion BatteryMark Capacity: 1300mahNominal Voltage: 3.7vColor:    Blue   Weight: 17gRechargeable Battery: YesRechargeable Times: Up to 500 timesSize: 50mm x 14mm (Diameter)Place of Origin: China (Mainland)

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,

Double-ended 50cm Cable Crocodile Clips

 Double-ended 50cm Cable  Crocodile Clips 5 colour available Red, Black, White, Green, Yellow.

Brand: SparkFun Electronics

Off-Road Wheels - 120x60mm (2 pack)

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

DC-DC Boost Module

XL6009 DC-DC Booster

Brand: DFRobot

Speech Synthesis Shield for Arduino

DC 3v-6v to 400kV 400000V Boost Step-up Power Module High-voltage Generator

DC 3v-6v to 400kV 400000V Boost Step-up Power Module High-voltage Generator Input voltage: DC 3 V to 6 VInput current: 2 A - 5 AHigh-pressure type: the type of pulse currentOutput voltage: 400000 v(Please pay attention to safety)High-pressure discharge distance between 10 mm - 20 mmThe output high voltage wire length: 100 mm

SJCAM SJ4000 WiFi 1080P Full HD Action Camera Sport DVR

DC 12V Solenoid Electric Door Lock

Specifications:Voltage: DC12VCurrent: 0.6AEnergized forms: intermittentUnlocking time: 1SSize: 27x29x18mm (L * W * H)

Reference: IMAX

IMAX B6-AC Charger/Discharger 1-6 Cells Dual Power 80W

Charge at home on 110/240v or in the field on 12v. The B6-AC handles both! The IMAX B6-AC is a rock solid charger thats able to charge, balance and discharge Lion, LiPo, LiFe (A123), NiCd and NiMH batteries. (Clone)

Veroboard

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

5V 1 Channel Solid State Relay (SSR)

3×4 Flexible Keypad

This keypad has 12 buttons, arranged in a 3×4 grid. It’s made of a thin, flexible membrane material  The keys are connected into a matrix, so you only need 7 microcontroller pins (3-columns and 4-rows) to connect the key pad.

Brand: DFRobot

25mW Infrared Line Laser Light

Brand: SparkFun Electronics

Lockitron Mechanical Assembly