Arduino UNO R3

CNC 3018 ER11 2500mW Laser Cutting & Engraving and Milling Machine

JoyStick Module KY-023 (Arduino)

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

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

75Pcs Plastic Gear & Pulley Kit

ARDUINO MEGA 2560 R3

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

Arduino Nano V3 (CH340)

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

Infrared (IR) Wireless Remote Control Module HX1838

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

HC-SR04 Ultrasonic Distance Measuring Sensor Module

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

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

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

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

4-Digit 7-Segment Display Module (TM1637)

TTP229 16-Key Digital Capacitive Switch Touch Sensor Module

USB Power Supply 18650 Lithium Battery BMS for Arduino (5V/3V Output, 5V Charger)

Snow & Rain Detection Sensor Module

Electret Microphone Amplifier GY-MAX4466 Module

ARM STM8 Development Board STM8S103F3P6 Module

LCD Screen & Keypad Arduino Shield (LCD1602)

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

Electronic Starter Kit Bundle (Breadboard Cable Resistor, Capacitor, LED, Potentiometer, etc; 235 items in total)

RFID Keyring Tag (13.56MHz)

6V 30RPM Gear Reduction DC Motor

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

ADXL345 3-Axis Accelerometer Module

IR Receiver & Flame Detection Module (KY-026)

9V-24V, 3A DC PWM Motor Speed Controller & Tester (With buttons)

Arduino Pro Mini Atmega328 (3.3V)

ZVS Low Voltage Induction Heating Power Supply with Induction Coil (5-12V)

LM2596 Voltage Regulator Module (Buck Adjustable Step Down, Vin 3.5V - 40V, Vout 1.5V - 35V)

Temperature Sensor Module (KY-001 3pin DS18B20)

4x4 Matrix (16 Key) Membrane Keypad

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

A4988 STEPPER MOTOR DRIVER (RAMPS)

Flexible Aluminium Coupling (5mmx5mm)

3-6V DC Motor (Model 130, 17000RPM)

Ultra-Small DC-DC Step Down Power Supply Module (MP1584EN, 3A, Adjustable Buck Converter)

MQ-7 Carbon Monoxide (CO) Gas Sensor Module

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

Nema 17 Stepper Motor (17HS2408)

Serial Wireless WIFI Module (ESP8266 )

MQ-2 Smoke/Liquefied-Flammable Gas Sensor Module

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

Voice Recording & Playback Module ISD1820 with Microphones + Loudspeaker (8Ohm, 0.5Watt)

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

16-Channel 12-bit PWM/Servo Driver - I2C interface - PCA9685 Module

Ceramic Piezo Vibration/Strain Module (3V3/5V)

Strong Vibration Motor (1.5V-6V)

1-Channel Solid State Relay (SSR) High Level Trigger

MOSFET Relay Module (0-24V Mosfet IRF520)

Double Sided Prototype PCB Universal Printed Circuit Board 2x8cm

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

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

Double Sided Prototype PCB Universal Printed Circuit Board 4x6cm

Uxcell Nichrome 80 Heater Wire (0.5mm x 10Meters | 24AWG)

Leobot DIY Robotic Claw Module (with MG90 Servo)

12V 600RPM Gear Reduction DC Motor

LM1117/AMS1117 3.3V DC-DC Step down Power Supply Module (4.5-7 VIn, 3.3 VOut)

Arduino Robot Tank Chassis (Plastic Track)

Piezo Disc Element (50mm)

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

ESP32-CAM WiFi + bluetooth Camera Module Development

AC-DC 5V 800mA 110V/220V to DC 5V Power Supply Module (Buck Converter Step Down Board Transformer)

Leobot 3D Printing Service

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

18650 Li-Ion Rechargeable Battery (3.7V, 2200mAh, Qulit Fire)

KY-018 Light Detection Sensor Module (LDR Arduino)

Dual DC Motor Driver Module (1.5A, 2-Way, MX1508 ,PWM Speed Control; Dual H-Bridge, MX1616)

Laser Receiver Module

Photodiode BPW34

DC 0-25V Voltage Sensor Module (Voltmeter Arduino)

Universal IR Infrared Sensor Receiver Module (KY-022)

PCB Thermal Transfer Paper A4

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

30cm USB--To-Mini USB Cable (Arduino Nano)

32.768KHz Quarts Crystal Passive Oscillator

Hinged Roller Limit Switch ( 1A, 125VAc)

MP3 Player Module (DFPlayer Mini)

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

Turtle Robot Arduino Starter Kit

Alien Clapton Coil Heating Wire (Premade Coil)

SN75441 IC (Quad HALF-H Driver DIP16)

3-Axis High Precision Compass Magnometer Module (AK8975)

Shock Vibration Switch Module (KY-002)

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)

100W DC-DC Booster Step up Module (1.3-35V to 3.5~35V LTC187, With LED Voltmeter)

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

Photoresistor 5MM Light Dependent Resistor (LDR) - 5mm

Five Direction (5D) Game Joystick Button Module

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

LED - Super Bright Blue 5mm (5000MCD).

USBTiny ISP AVR Arduino Boatload Programmer

Radial Blower Cooling Fan (12V DC, 50mmx15mm, 5015 )

3S 20A 18650 Li-ion Lithium Battery BMS (12.6V)

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

High-quality WT588D-16p Voice/Audio Module

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

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

20 Key Membrane Matrix Array Keypad 4x5

Voice & Sound Detection Module

22uH Toroid Core Inductor (B02, 3A)

KUNHEWUHUA UV Exposure Unit (48W, 260x210mm)

DC-DC 3.5V-30V To 4V-40V Step Up Power Supply Module LM2587 (80W Adjustable 5A Boost Converter Voltage Regulator)

433MHZ Helical Antenna

Mini UV Light Torch (4.5V, 9 Ultraviolet LED)

Multi-functional Arduino Learning Shield

Flexinol Actuator Nitinol Wire - (0.3mm Diameter, 0.5M Length, Memory Wire)

2-Channel Relay Module (5V Low-Level-Trigger )

1-Key RED Membrane Button Switch

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

LED 5mm - Red

40-Way Flat Color Rainbow Ribbon Jumper Wire (per meter)

5mm RGB LED Module (KY-016 FZ0455)

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

LCD Adapter Plate I2C (LCD1602)

5 Way Flame/Heat Sensor Module

TOP255PN Top Switch Offline (DIP-7)

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

Double Sided Prototype PCB Universal Printed Circuit Board 3x7cm

18mm Magnetic Induction Heating Coil

Double 10K Ohm Sliding Row Linear Potentiometer Mixer Module

RC Car Wheel (68mm Diameter)

Uxcell Iron-chromium-aluminium (FeCrAl) Heater Wire (0.7mm x 1000cm | 24AWG)

Leobot RC Car Wheel

Piezo Disc Element (15mm)

Mini SIM800L GPRS GSM Module (MicroSIM)

SX1308 DC-DC Adjustable Step Up Power Booster Module (2-24V to 2-28V 1.2MHz 2A)

FM Stereo Radio Module RDA5807M Wireless Module

LED 5mm - Ultraviolet 390NM Clear Lens

L293NE Quad Half-H Driver IC (Motor Driver)

TMS4464-10NL (DIP-18, RAM)

M3*20 Standoff Hex Spacer (Brass, Female)

Single Row 40 Pin Male 2.54 Breakable Pin Header Connector Strip

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

RAMPS 1.4 ARDUINO SHIELD

10UH Power Inductor

5mm 4 Pin RGB Tri-color LED (Common Anode)

8X Optical Magnifier with LED backlight

LED 3mm - Green

Infrared (IR) Transmitter Module

0.4MM E3D NOZZLE (1.75MM FILAMENT)

1x2 Membrane Matrix Array Plus & Minus Keypad

Analogue Ammeter (0-5A Panel Meter)

Magnetic Ferrofluid Plasticine Playdough Clay (Magnetic Putty)

Vacuum Distillation Extract Set Kit (1000ml, 24/29)

LED 5mm - Green

200W DC-DC Buck Step Up Boost Converter (7A, In 6-35V, Out 6-55V)

NRF24L01 2.4GHz Wireless Transceiver Module

LilyPad 328 Main Board (ATmega328P 16M)

8-in-1 Precision Multi-Tool Screwdriver Pen

0.6MM E3D VMA NOZZLE (1.75MM FILAMENT)

9V Battery Holder With Cover & Switch (SINGLE SLOT)

Tungfull Mini Desktop Grinding Multi-function Machine (Carving, Polishing, Engraving, Drilling)

IR Infrared Receiver Module

AAA BATTERY HOLDER - TWO SLOT

Flexible Plum Clamp Coupler D30 (14x14 Nema34 Shaft)

RAMPS PCB CONNECTOR SCREW TYPE

TSL1401R-LF Visible Light 1x128-Element Photodetector Array (DIP8)

5V 1-Channel H/L Trigger Optocoupler Relay Module

CD4013BE (Dual D-type flip-flop IC DIP-14)

RGB LED 10MM (Common Cathode)

Screw Locking Stereo 3 Pole Male Jack Plug (Gold Plated, 3.5mm)

LED 10mm - Yellow

SN74LS00 - Quad 2-input NAND Gate (7400)

Arducopter F450 DIY Drone Quadcopter Kit (Arducopter, Frame, Motors, ESC Blades and GPS)

2KG Electric Melting Furnace/Smelter (1100C, 220V)

Easythreed 3d Printer X1 K7 Mini (100x100x100mm Build Volume with Removable Magnetic Plate)

3S 40 Li-ion Lithium Battery BMS with Charger Protection Board (18650 Compatible, HW287)

W1209 Temperature Controller

Circuit Experiments Kit

775 DC Motor (12V-24V)

Desktop Drawing & Writing CNC Drawbot Machine (AX4 AxiDraw Pen Plotter)

Raspberry PI Pico

Automatic Water Level Controller (12V, XH-M203)

2-Channel ESP8266 WIFI Relay Module (5V, 2C)

Micro PCB Drill Set (10pc)

Step-Up Step-Down Buck Boost Converter (3.5V-28V to 1V-25V)

EL Wire 3m Flexible - Green

LoRa Module (SX1278, 433MHz, 10KM, Ra-02)

10 PCS Engraving & Milling CNC Carbide Bit Set (3018 CNC Compatible, 0.8mm - 3.175 mm)

HC-12 SI4463 Wireless Serial Module (433 Mhz 1000M Range)

L298N Dual DC and Stepper Motor Driver (3-30V)

HY-SRF05 Ultrasonic Distance Measuring Sensor Module

LM7805 5V Voltage Regulator Module

NodeMCU Lua WIFI ESP8266 Microcontroller

1-Channel Relay Module (5V Low-Level-Trigger )

L7805CV To-220 (Linear Voltage Regulator)

Metal Film Resistor pack 1/4W 1% - (10x 30 Values)

CD4017BE (Decade Counter)

GREEN 12mm/3A Waterproof Momentary Push Button Switch (N.O)

Insect Robot Kit (Arduino Nano Kit)

PWM DC Motor Speed Controller With Display (6-30V, 8A)