Arduino UNO R3

YX8051 Solar Light Joule Thief (TO-94, 1.25VDc)

RFID Proximity Card Kit (RFID Reader/Writer Module + RFID Keyring Tag + RFID Card)

Arduino Mega 2560 (16MHz)

H201 RF Receiver Module + RF Transmitter Module (433MHZ)

MOSFET Relay Module (0-24V Mosfet IRF520)

Triangular Prism (5cm)

650nm Red Laser Transmitter Module

2.4GHz Long Distance Wireless Transceiver Module (NRF24L01, 1 Kilometer Range, 2Mb per second)

37-in-1 Sensor Module Kit

HC-SR501 Adjustable Pyroelectric Infrared (PIR) Motion Sensor Module

Serial Wifi Transceiver Module (Arduino)

JoyStick Module KY-023 (Arduino)

75Pcs Plastic Gear & Pulley Kit

Soil Moisture (Humidity) Sensor Module

37-IN-1 Arduino Sensor Kit (NO CD)

Laser Beam Combiner Cube Prism (405nm~ 450nm Blue Laser)

Mini Breadboard (400 Tie-Points)

12V 60W Thermoelectric Heatsink TEC1-12710 (Peltier Plate, 40X40MM)

All-in-One TM1638 8-Digit LED Display, 16-Key Keyboard, 8Bit (3 Wire) Module

Arduino RFID Starter Kit

2.4GHz Wireless Transceiver Module (NRF24L01, onboard antenna)

ICL8038 Function Signal Generator DIY Kit

LM393 Light Detection Sensor Module (4-pin LM393 LDR Digital & Analog)

FG-100 DDS Function Signal Generator (1Hz-500KHz)

2-Axis MG995 Servo Motor Bracket Kit (Robotic Arm)

Solar-Powered Boat DIY Kit

Winbo3D Printing Pen (Stereoscopic Doodle Pen)

5V Stepper Motor 28BYJ-48 + ULN2003 Test-Driver Module (Arduino)

9V 1A DC Power Supply (for Arduino)

4 Channel Remote (315Mhz) + Receiver Module (315Mhz)

Large Arduino Robot Tank Chassis (Rubber Track)

Serial Micro-SD Card Module

KA2206B IC (DIP12, 2.3W Dual Audio Power Amplifier)

ARM STM8 Development Board STM8S103F3P6 Module

Universal IR Infrared Sensor Receiver Module (KY-022)

Digital Temperature And Relative Humidity Sensor Module (KY-015 3pin DHT11)

DT-182 Mini Digital Multimeter

MINI LM386 Audio Amplifier Board (3V-12V Power Amplifier)

128 * 64 LCD Display Panel Screen Module

DC Power Supply (0-15V, 0-20A)

HC-SR04 Ultrasonic Distance Measuring Sensor Module

IR Infrared Obstacle Avoidance Sensor Module

USBTiny ISP AVR Arduino Boatload Programmer

ATMEGA2560-16au Test & Development Socket (QFP100-0.5)

Shock Vibration Switch Module (KY-002)

GPRS + GSM + GPS Shield A7 (SMS, Voice Calls & GPS Location)

NEO-6M GPS Module

CC1101 RF1101 Wireless Transceiver Module with SMA Antenna

L298N Dual DC Motor Driver (3-30V, Single Stepper Motor Control)

4x4 Matrix (16 Key) Membrane Keypad

500g-10kg Thin Film Pressure/Force Sensor (RFP-602)

4WD RC Smart Car Chassis for Arduino

Digital Ammeter (0-5A)

WeMos D1 WiFi Wireless Development Board CH340 ESP8266

15KV High Voltage Generator (Arc Ignition Inverter, Step Up Boost Coil)

4-Digit 7-Segment Display Module (TM1637)

DS1302 RTC Real Time Clock Module

3.5 Inch TFT LCD Color Screen Module (Ultra-HD 320 X 480 with SD Card Reader)

RFID Keyring Tag (13.56MHz)

5 Way Flame/Heat Sensor Module

Mini Wind Powered DIY Toy Car Kit for Children/Education (Chinese Manual)

Tilt Switch Sensor Module

Nokia 5110 LCD Display Module (84x84 Resolution, 4-Lines of Characters)

9 in 1 Gas Sensor Module Kit (MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9, MQ-135)

433MHZ Helical Antenna

Alien Clapton Coil Heating Wire (Premade Coil)

4X4X4 Blue LED 3D Light Cube DIY Arduino Shield Kit

Mini Breadboard - 170 Tie-Points, 35*47*8.5mm

Universal LCD/LVDS Monitor & Screen Driver (5V, MT561-B)

2-Phase 4-Wire Micro Stepper Motor (10mm, JSDJ2P4W10M)

4 Channel LLC I2C/IIC Logic Level Converter Bi-Directional Module 5V to 3.3V (DIY Soldering Needed)

ADXL345 3-Axis Gravity, Acceleration & Tilt Sensor Module

High Power L293D Motor Control Arduino Shield (4 DC Motors or 2 Servo Motors)

0.28" Mini Digital Voltmeter & Ammeter (DC 100V 10A, Blue + Red Dual LED Display)

Biological Microscope Kit (1200x Zoom)

Mini Digital Stereo Audio Power Amplifier PAM8403 Module (3Watt Amp)

LM7805 5V Voltage Regulator Module

34Pcs Plastic Rack & Pinion Gear Kit

Photodiode BPW34

OV7670 300KP VGA Camera Module

12V Electric Solenoid Valve

DC Temperature Sensor Module (3.3V-12V NTC-10K +/-10% Thermistor)

Serial Wireless WIFI Module (ESP8266 ESP01)

High-quality WT588D-16p Voice/Audio Module

LCD1602 Blue Screen LCD (2x16 Characters)

TTP229 16-Key Digital Capacitive Switch Touch Sensor Module

Blue 1.3" SPI Serial 128X64 OLED LCD LED Display Module (3V ~ 5V DC)

1-Channel H&L Level Trigger Optocoupler 5V Relay Module

Nema 17 Stepper Motor (17HS2408)

Snow & Rain Detection Sensor Module

Five Direction (5D) Game Joystick Button Module

20 Key Membrane Matrix Array Keypad 4x5

DC 5V 4-Phase Stepper Motor 28BYJ-48

MB102 Breadboard Power Supply Module 3.3V/5V (Solderless Breadboard Voltage Regulator)

Infrared (IR) Wireless Remote Control Module HX1838

ESP8266/ESP01 Serial Wireless WIFI Transceiver Module (3.3V)

Waterproof Ultrasonic Range Finder Module (JSN + B02)

3-Axis High Precision Compass Magnometer Module (AK8975)

RED 12mm/3A Waterproof Momentary Push Button Switch

12V 1.5W Solar Panel

433Mhz Superheterodyne Wireless Receiver Module (315M RXB6)

ENAMELLED COPPER WIRE REEL (10 METERS, 0.5MM DIAMETER) aka Magnetic Wire

Arduino Robot Tank Chassis (Plastic Track)

FY1002S DDS Function Signal Generator (60MHz frequency counter/dual TTL output sine wave frequency 2MHZ )

RGB LED Module (KY-016 FZ0455)

XR2206CP 0.01Hz-1MHz Monolithic Function Generator IC (DIP16)

PCB Reference Ruler

Double 10K Ohm Sliding Row Linear Potentiometer Mixer Module

Aluminum Robot Claw

DS18B20 Temperature Sensor Module with Waterproof 100CM Cabled Stainless Steel Probe

Voice & Sound Detection Module

Arduino UNO R3 + WiFi R3 (32Mb memory, ATmega328P+ESP8266)

Voice Recording & Playback Module ISD1820 with Microphones + Loudspeaker (8Ohm, 0.25Watt)

Optical Glass Cube Dichroic Dispersion Beam Splitter Prism (15x15x15mm, Splitting Ratio 50:50)

SN75441ONE IC (Quad HALF-H Driver DIP16)

Atmel ATMEGA8A-PU (8K, 16MHZ, 28-PDIP Microcontroller)

Solenoid Electromagnet (2.5KG Lifting Power, 5V)

5kg Electronic Scale Sensor (Load Cell 5 to 10V, YZC-131)

RC Car Wheel

KY-018 Light Detection Sensor Module (LDR Arduino)

Small Vibration Motor (5mm Diameter, 2V-5V)

2WD Smart/Robot Car DIY Kit (1:48 Speed Encoder)

20KV High Voltage Generator ( DC 3.6-6V, 1.5A, Pulse Arc Igniter, Step Up Boost Module Coil Transformer)

Metal Detector DIY Kit (DC 3V-5V)

Laser Receiver Module

Vacuum Pump (12V, YW11-DC12)

LCD Screen & Keypad Arduino Shield (LCD1602)

Micro USB ATtiny ISP AVR (5V USBtinyISP)

18mm Magnetic Induction Heating Coil

Water Flow Sensor (Flow Meter, 1-30L/min 2.0MPa)

DC-DC Buck Converter Step Down Module (300W,10V-40V, 20A Constant Current )

4-Channel Solid State Relay (SSR) High Level

5V 0.15W Solar Panel

Bigfoot Rock Crawler 4WD SN170 (Steerable Front Wheels)

MP3 Player Module (DFPlayer Mini)

4 Wheeled Car (4WD) Chassis DIY Kit

FSR402 Thin Film Force Sensitive Resistor (100g - 10Kg)

TMS4464-10NL (DIP-18, RAM)

1x5 Membrane Matrix Array Switch Keypad (Red/Yellow/Yellow/Yellow/Green)

Digital 2-Channel Oscilloscope (UNI-T UTD2052CEX, 50MHz )

SG90_9G Servo Motor (1.5Kg.Cm)

Dual DC Motor Driver Module (1.5A, 2-Way, MX1508 ,PWM Speed Control; Dual H-Bridge)

Atmel ATmega328P-PU Microcontroller

4x3 Matrix (12 Key) Membrane Keypad

Dual DC Stepper Motor Driver Controller (H-bridge L9110S)

Raspberry PI 3 (Model B)

Metal & Human Body Touch Sensor Module (KY-036)

KUNHEWUHUA UV Exposure Unit (48W, 260x210mm)

Red 650nm 5mW Cross Laser (Industrial Class)

Hinged Roller Limit Switch ( 1A, 125VAc)

Mini Fan (12V, 40x40x10mm)

3D Printer Kit (RAMPS 1.4 + MEGA 2560 + 5XA4988 DRIVER + LCD 2004)

Bilge Multipurpose Pump - 350GPH (12v)

TCRT5000L Infrared (IR) Reflective Optical Sensor

10UH Power Inductor

100W DC-DC Booster Step up Module (1 3-35V to 3.5~35V LTC187, With LED Voltmeter)

ATMEGA2560-16au

L293NE Quad Half-H Driver IC (Motor Driver)

2-CHANNEL SOLID STATE RELAY (SSR) HIGH LEVEL

MG995/MG996R Metal Servo Hub Horn (20mm Mounting Hole)

64Pc Gear Set (M0.5)

22uH Toroid Core Inductor (B02, 3A)

FM Stereo Radio Module (5V, 76-108MHZ)

TOP255PN Top Switch Offline (DIP-7)

2N3055 BJT (15A, 100V, 115W, NPN TO-3 Transistor)

DS18S20 TO92 Digital Thermometer

TFmini Micro Lidar Range Finder Module

32.768KHz Quarts Crystal Passive Oscillator

Digital Power Amplifier Module (PAM8403, 2*3W, 2.5V-5V)

High-Power ULN2003 Stepper Motor Driver Board Test Module (Without Motor)

HY-SRF05 Ultrasonic Distance Measuring Sensor Module

76MHz-108MHz Wireless Stereo FM Radio DIY Kit (1.8V-3.6V)

Uxcell Nichrome 80 Heater Wire (0.5mm x 750cm | 24AWG)

Humidity, Water & Rain Detection Module

6V 30RPM Gear Reduction DC Motor

Wemos D1 Mini V3.0.0 (WIFI, IoT, ESP8266EX)

4-Channel Optocoupler Relay Module (10A/250V AC; 10A/30V DC; Negative Trigger)

12V Solenoid (JF-0826B, Electromagnet)

Mini Tesla Coil DIY Kit (15-24 V DC; 15W; Plasma Speakers)

16 Channel 12-bit PWM Servo Motor Driver Shield (2-Wire, I2C)

Arduino Pro Mini Atmega328 (5V)

25g Plastic Servo Steering Gear Servo Motor (DC4.8~6.0 V, 4.52kg.cm)

Mini ZVS Induction Heating DIY Kit (12V, 150W)

L298N IC (H-Bridge Motor Driver IC, 46V, 4A ,15-Pin)

12V 13500rpm DC Motor (Type 030)