LM358P Dual Operational Amplifiers Op-Amp DIP8

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

PL2303 USB to TTL Converter Windows 7 & 10 Compatible

5 mm Red LED (Pack of 5)

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

5V 1 Channel Solid State Relay (SSR)

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

SN74HC47N

ON/OFF Switch 12VDC

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. 

Battery 9V

Battery 9V

18650 Battery Holder 4S with wire

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

Capacitor 25v 100uf

2N2222 NPN Transistor

IR receiver Diode

CD4026BE

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). 

Obstacle Avoiding Robot Kit

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.

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...

5 mm Yellow LED (Pack of 5)

Tolsen Cordless Screwdriver (Set)

Cordless Screwdriver With Set

Double-ended 50cm Cable Crocodile Clips

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

Brand: DFRobot

25mW Infrared Line Laser Light

AA Battery Holder 3S

BC547 NPN Transistor

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.

TP4056 5V Mini USB Charger Module

ISD1820 Sound Voice Recording Playback Module

Brand: Waveshare

Logic Level Converter

Brand: SparkFun Electronics

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!

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!