Arduino UNO R3

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

JoyStick Module KY-023 (Arduino)

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

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

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

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

Arduino Nano V3 (CH340)

ARDUINO MEGA 2560 R3

Infrared (IR) Wireless Remote Control Module HX1838

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

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

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

HC-SR04 Ultrasonic Distance Measuring Sensor Module

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

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

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

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

4-Digit 7-Segment Display Module (TM1637)

RFID Keyring Tag (13.56MHz)

TTP229 16-Key Digital Capacitive Switch Touch Sensor Module

Snow & Rain Detection Sensor Module

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

Electret Microphone Amplifier GY-MAX4466 Module

LCD Screen & Keypad Arduino Shield (LCD1602)

6V 30RPM Gear Reduction DC Motor

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

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

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

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

ADXL345 3-Axis Accelerometer Module

MT3608 DC-DC Boost Module 2A (Step Up Power Supply)

Temperature Sensor Module (KY-001 3pin DS18B20)

IR Receiver & Flame Detection Module (KY-026)

Arduino Pro Mini Atmega328 (3.3V)

4x4 Matrix (16 Key) Membrane Keypad

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

A4988 STEPPER MOTOR DRIVER (RAMPS)

Flexible Aluminium Coupling (5mmx5mm)

MQ-7 Carbon Monoxide (CO) Gas Sensor Module

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

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

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

MQ-2 Smoke/Liquefied-Flammable Gas Sensor Module

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

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

Breadboard Starter Kit (840 Tie-Points Breadboard + Power Supply Module + 65 Jumper Wires)

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

Nema 17 Stepper Motor (17HS2408)

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

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

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

Serial Wireless WIFI Module (ESP8266 )

MOSFET Relay Module (0-24V Mosfet IRF520)

ESP32-CAM WiFi + bluetooth Camera Module Development

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

LM7805 5V Voltage Regulator Module

Double Sided Prototype PCB Universal Printed Circuit Board 4x6cm

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

Leobot 3D Printing Service

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

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

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

Leobot DIY Robotic Claw Module (with MG90 Servo)

Piezo Disc Element (50mm)

PCB Thermal Transfer Paper A4

Arduino Robot Tank Chassis (Plastic Track)

Double Sided Prototype PCB Universal Printed Circuit Board 2x8cm

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

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

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

KY-018 Light Detection Sensor Module (LDR Arduino)

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

Photoresistor 5MM Light Dependent Resistor (LDR (0-10M Ohm) - 5mm

Laser Receiver Module

Triangular Prism (5cm)

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)

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

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

RAMPS 1.4 ARDUINO SHIELD

Photodiode BPW34

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

Hinged Roller Limit Switch ( 1A, 125VAc)

3-Axis High Precision Compass Magnometer Module (AK8975)

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

Turtle Robot Arduino Starter Kit

Mini SIM800L GPRS GSM Module (MicroSIM)

Alien Clapton Coil Heating Wire (Premade Coil)

Five Direction (5D) Game Joystick Button Module

Shock Vibration Switch Module (KY-002)

32.768KHz Quarts Crystal Passive Oscillator

SN75441 IC (Quad HALF-H Driver DIP16)

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

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

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

USBTiny ISP AVR Arduino Boatload Programmer

Double Sided Prototype PCB Universal Printed Circuit Board 3x7cm

433MHZ Helical Antenna

20 Key Membrane Matrix Array Keypad 4x5

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

Voice & Sound Detection Module

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

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

22uH Toroid Core Inductor (B02, 3A)

Multi-functional Arduino Learning Shield

L7805CV To-220 (Linear Voltage Regulator)

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

5mm RGB LED Module (KY-016 FZ0455)

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

1-Key RED Membrane Button Switch

LCD Adapter Plate I2C (LCD1602)

18mm Magnetic Induction Heating Coil

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

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

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

MINI DIGITAL THERMOMETER

KUNHEWUHUA UV Exposure Unit (48W, 260x210mm)

5 Way Flame/Heat Sensor Module

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

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

RC Car Wheel (68mm Diameter)

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

LM393 Light Sensor Module

Piezo Disc Element (15mm)

TOP255PN Top Switch Offline (DIP-7)

Single Row 40 Pin Male 2.54 Breakable Pin Header Connector Strip

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

LED 5mm - Ultraviolet 390NM Clear Lens

200W DC-DC Buck Step Up Boost Converter (7A, In 9-35V, Out 9-55V)

Double 10K Ohm Sliding Row Linear Potentiometer Mixer Module

FM Stereo Radio Module RDA5807M Wireless Module

LED 5mm - Red

Analogue Ammeter (0-5A Panel Meter)

Leobot RC Car Wheel

TMS4464-10NL (DIP-18, RAM)

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

775 DC Motor (12V-24V)

8X Optical Magnifier with LED backlight

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

L293NE Quad Half-H Driver IC (Motor Driver)

M3*20 Standoff Hex Spacer (Brass, Female)

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

Infrared (IR) Transmitter Module

10UH Power Inductor

LED 3mm - Green

1x2 Membrane Matrix Array Plus & Minus Keypad

8-in-1 Precision Multi-Tool Screwdriver Pen

LED 5mm - Green

0.4MM E3D NOZZLE (1.75MM FILAMENT)

NRF24L01 2.4GHz Wireless Transceiver Module

CD4017BE (Decade Counter)

IR Infrared Receiver Module

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

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

LilyPad 328 Main Board (ATmega328P 16M)

Flexible Plum Clamp Coupler D30 (14x14 Nema34 Shaft)

AAA BATTERY HOLDER - TWO SLOT

0.6MM E3D VMA NOZZLE (1.75MM FILAMENT)

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

W1209 Temperature Controller

RGB LED 10MM (Common Cathode)

SN74LS00 - Quad 2-input NAND Gate (7400)

Digital Microscope (USB, 500x-1600x Magnification)

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

Circuit Experiments Kit

LED 10mm - Yellow

Raspberry PI Pico

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

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

Steady Hand Electronic Kit

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

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

XH-M609 Battery Protection BMS Module (DC 12-36V Lead Acid and Lithium Ion batteries)

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

DIY Solar Energy Revolving Bell Kit

Lithium Charger Powerbank Module + Display (5V, 2.4A, Type-C/Micro/Lightning/Usb)

CNC 3018/2418/1610 Z-Axis Milling Platform + Bearing Kit

75Pcs Plastic Gear & Pulley Kit

ARM STM8 Development Board STM8S103F3P6 Module

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

Strong Vibration Motor (1.5V-6V)

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

21L Vacuum Chamber and Pump (RS-1, Single-Stage Rotary Vane Vacuum Pump, 21L Chamber, Stainless Steel)

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

MP3 Player Module (DFPlayer Mini)

Universal IR Infrared Sensor Receiver Module (KY-022)

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

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

Magnetic Ferrofluid Plasticine Playdough Clay (Magnetic Putty)

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

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

RAMPS PCB CONNECTOR SCREW TYPE

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

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

Micro PCB Drill Set (10pc)

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

EL Wire 3m Flexible - Green