5 mm Yellow LED (Pack of 5)

LM2596 DC-DC Step Down Adjustable Power Supply Module 3A Max

This is a very compact DC-DC step-down converter capable of supplying any voltage between 1.23 and 30 V from a higher voltage power supply (up to 35 V). 

9V Battery to 2.1mm for Arduino Uno

9V Battery to 2.1mm for Arduino Uno Connector 

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

PL2303 USB to TTL Converter Windows 7 & 10 Compatible

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. 

UA741CN Operational Amplifier

Brand: SparkFun Electronics

Camera Module - pcDuino V3 (2MP)

Veroboard

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

Buzzer

Aluminum Heat Sink With Adhesive for Raspberry Pi 3

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

ON/OFF Switch 12VDC

LM358P Dual Operational Amplifiers Op-Amp DIP8

Digispark Kickstarter ATTINY85 Arduino General Micro USB Development Board

Digispark USB Development Board The Digispark is an Attiny85 based microcontroller development board similar to the Arduino line, only cheaper, smaller, and a bit less powerful. With a whole host of shields to extend its functionality and the ability to use the familiar Arduino IDE the Digispark is a great way to jump into electronics, or perfect for when...

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)

Solenoid - 5v (small)

Description: Solenoids are a great way to induce linear motion  for pushing, pulling or controlling switches and levers.This smaller  solenoid is designed to work directly with 5V~6V which makes it a  great match for embedded projects. It has a throw of about 4.5mm  and 2 M2 mounting holes on the body.

Tolsen Cordless Screwdriver (Set)

Cordless Screwdriver With Set

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...

Mini Cooling Fan 40x40x10mm

Brand: DFRobot

WiFi Shield V3 PCB Antenna Arduino Shield

WiFi Shield V3 PCB Antenna Arduino Shield INTRODUCTION DFRobot WiFi Shield, is part of our wireless family product. This WIFI Shield V3 supports AP + STA dual mode, and is extremely easy to connect to a home

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.

TTP229 8 Channel Digital Capacitive Switch Touch Sensor Module for Arduino

The TTP229 is capacitive sensing design specifically for touch pad controls. The device has a built in regulator for the touch sensor. Stable sensing method can cover diversity conditions. Interface control panel links through non-conductive dielectric material. The main application is focused at replacing of the mechanical switch or button.

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...

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

Arduino 3G+Wifi+Ethernet Shield

Iduino Yun Shield Compatible with Arduino Leonardo, Uno, Duemilanove, Diecimila and Mega Arduino 3G+Wifi+Ethernet Shield Robotics Bangladesh 3g+ Wifi+ Ethernet + USB+ Openwrt (Linux) Geeetech Latest Iduino Yun Shield board Linux WiFi 3G Ethernet USB for Arduino http://www.geeetech.com/wiki/index.php/Iduino_Yun_Shield

JF-0530B Pull Push Type Electric Solenoid Electromagnet 10mm 5N DC12V

Product Name : DC Solenoid Electromagnet;Model : JF-0530B;Rated Voltage : DC 12V RatedCurrent : 300mA;Action Form : Pull Push Type;Rated Stroke & Force : 10mm, 5N Body Size : 30 x 15x 15mm/1.2"x 0.59"x 0.59"(L*W*H);Pluger Dia. : 56mm/ 2.2" Cable Length : 20cm/ 7.9";Material : Metal, Electronic Parts Weight : 32g;Package Content : 1 x DC Solenoid...

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

AA Battery Holder 4S

Weighing Sensor 24 Bit HX711 Dual-Channel

Weighing Sensor 24 Bit HX711 Dual-Channel Precision A/D Module Pressure Sensor. This module uses 24 high precision A/D converter chip HX711. It is a specially designed for the high precision electronic scale design, with two analog input channel, the internal integration of 128 times the programmable gain amplifier. 

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

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...