5V LED Traffic Light Module

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 **

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.

Piezo Element 35MM

Piezo Element 35MM

UM3561A

UM3561 UM3561A DIP-8 Si Tai&SH Hengtai IC DIP Type: Logic ICs Condition: New Supply Voltage: V Dissipation Power: W Operating Temperature: standard Model Number: UM3561 UM3561A DIP-88 is_customized: Yes Package: DIP Application: IC Unit Type: piece Package Weight: 0.01kg (0.02lb.) Package Size: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)

Capacitor 25v 100uf

RFID M94 NFC thin smart card 13.56MHz 1k S50 IC Read & Writable

Specifications: This card is compatible with NFC capable phones and tablets, it is Smart Card Tags. Frequency: 13.56 MHz 1K byte EEPROM memory (768 FREE BYTES availability) Size: 85mm x 54mm x 0.9mm Material: PVC, Waterproof Write endurance 100,000 cycle Reading distance is 0 - 10cm (Reading distance depends on readers, not the cards)

Diode 1N5408

Capacitor 16v 100uf

4x4 Keypad - 16 Key - Matrix Membrane Type

4 x 4 Matrix Membrane Keypad Size: 7cm X 7.5cm 8 pin connector Adhesive mounting (sticker on the back side) Maximum Circuit Rating: 35VDC, 100mA Operation Temperature: 0 to +60 centigrade Humidity: 40 centigrade, 90%-95%, 240 hours Fexible Circuit Length: Approx. 3.3 inch / 83 mm

5 mm Green LED (Pack of 5)

Brand: SparkFun Electronics

Off-Road Wheels - 120x60mm (2 pack)

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

Precision Real Time Clock Module DS3231 AT24C32 I2C

Precision Real Time Clock Module DS3231 AT24C32 I2C

Mini Cooling Fan 40x40x10mm

Brand: DFRobot

Xbee Shield for Arduino (without Xbee)

Xbee Shield for Arduino (without Xbee) INTRODUCTION: The XBee Expansion Board is a compliant solution designed to meet low-cost, low-power wireless sensor networks with special needs.The module is easy to use, low power consumption, and the provision of critical data between devices reliable transmission.

2N2222 NPN Transistor

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.

HB100 Microwave Sensor 10.525GHz Doppler Radar Motion Detector Arduino

Type: Microwave SensorChip: HB100Frequency: 10.525GHzVoltage: DC 5V±0.25VCurrent: 40mASize: 38 x 45 x 7 mm (L x W x H)Application: Automatic door startup, Car, House intrusion alarm, Collision warningTraffic monitoringNote:Please pay attention to the Voltage/Current/Power of your own devices.To ensure product safety, check whether this item is compliant...

Heart Rate Pulse Sensor Pulsesensor Sensor Module For Arduino

Description: Heart rate data can be really useful whether you’re designing an exercise routine, studying your activity or anxiety levels or just want your shirt to blink with your heart beat. The problem is that heart rate can be difficult to measure. Luckily, the Pulse Sensor Amped can solve that problem!

18650 Battery Holder 4S with wire

18650 Battery Holder 4S Compatible Battery: 18650 Cell: 4 

Brand: SparkFun Electronics

Lockitron Mechanical Assembly

GPS Antenna 1575.42 MHz

GPS Antenna  Frequency: 1575.42MHz Voltage: 3v-5v

Brand: SparkFun Electronics

Camera Module - pcDuino V3 (2MP)

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.

XL4015 DC-DC Step Down Adjustable Power Supply Module 5A Max

 Specification: Input voltage range：4～38VDC(Note:input voltage not exceeding 38V) Output voltage range：1.25-36VDC adjustable Output current: 0-5A, recommended for use in 4.5A. Output power: 75W Working temperature: -40~+85 degrees Operating frequency: 180KHz Efficiency:96%（max) Short circuit protection: yes(limit current 8A).

3S 11.1V 12.6V 25A W/Balance 18650 Li-ion Lithium Battery PCB Protection Board

3S 11.1V 12.6V 25A W/Balance 18650 Li-ion Lithium Battery PCB Protection Board Specification: Brand newSize: about 56mm*45mm*1.2mmOver voltage range: 4.25-4.35v±0.05vOver discharge voltage range: 2.3-3.0v±0.05vMaximum operating current: 0-25AMaximum transient current: 34-40AQuiescent current: less than 30uA

ISD1820 Sound Voice Recording Playback Module

Push Button Switch

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

JST SH Jumper 4 Wire Assembly - 8"

Description: This is a simple four wire cable. Great for jumping from board to board or just about anything else. These cables mate with the connectors listed below. They have bare wires on one end and a 4-pin JST SH connector on the other end with a mating socket. Compatible With:  Fingerprint Scanner - TTL (GT-511C3) & Fingerprint Scanner - 5V TTL...