Arduino UNO R3

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

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

JoyStick Module KY-023 (Arduino)

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

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

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

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

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

RFID Keyring Tag (13.56MHz)

4-Digit 7-Segment Display Module (TM1637)

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)

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

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

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)

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

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

MQ-2 Smoke/Liquefied-Flammable Gas Sensor Module

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

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

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

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)

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

Nema 17 Stepper Motor (17HS2408)

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

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

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)

Double Sided Prototype PCB Universal Printed Circuit Board 4x6cm

MP3 Player Module (DFPlayer Mini)

LM7805 5V Voltage Regulator Module

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)

Piezo Disc Element (50mm)

Leobot DIY Robotic Claw Module (with MG90 Servo)

PCB Thermal Transfer Paper A4

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

Arduino Robot Tank Chassis (Plastic Track)

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

Double Sided Prototype PCB Universal Printed Circuit Board 2x8cm

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

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

Universal IR Infrared Sensor Receiver Module (KY-022)

RAMPS 1.4 ARDUINO SHIELD

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)

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

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

Photodiode BPW34

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

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

Mini SIM800L GPRS GSM Module (MicroSIM)

Hinged Roller Limit Switch ( 1A, 125VAc)

3-Axis High Precision Compass Magnometer Module (AK8975)

Five Direction (5D) Game Joystick Button Module

Alien Clapton Coil Heating Wire (Premade Coil)

Turtle Robot Arduino Starter Kit

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)

Shock Vibration Switch Module (KY-002)

32.768KHz Quarts Crystal Passive Oscillator

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

Double Sided Prototype PCB Universal Printed Circuit Board 3x7cm

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

USBTiny ISP AVR Arduino Boatload Programmer

433MHZ Helical Antenna

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

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

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

20 Key Membrane Matrix Array Keypad 4x5

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

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

Voice & Sound Detection Module

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

Multi-functional Arduino Learning Shield

5mm RGB LED Module (KY-016 FZ0455)

22uH Toroid Core Inductor (B02, 3A)

L7805CV To-220 (Linear Voltage Regulator)

1-Key RED Membrane Button Switch

18mm Magnetic Induction Heating Coil

775 DC Motor (12V-24V)

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)

LCD Adapter Plate I2C (LCD1602)

KUNHEWUHUA UV Exposure Unit (48W, 260x210mm)

MINI DIGITAL THERMOMETER

5 Way Flame/Heat Sensor Module

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

RC Car Wheel (68mm Diameter)

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

LM393 Light Sensor Module

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

Piezo Disc Element (15mm)

Single Row 40 Pin Male 2.54 Breakable Pin Header Connector Strip

TOP255PN Top Switch Offline (DIP-7)

LED 5mm - Ultraviolet 390NM Clear Lens

Double 10K Ohm Sliding Row Linear Potentiometer Mixer Module

FM Stereo Radio Module RDA5807M Wireless Module

Analogue Ammeter (0-5A Panel Meter)

TMS4464-10NL (DIP-18, RAM)

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

Leobot RC Car Wheel

L293NE Quad Half-H Driver IC (Motor Driver)

8X Optical Magnifier with LED backlight

LED 5mm - Red

M3*20 Standoff Hex Spacer (Brass, Female)

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

Infrared (IR) Transmitter Module

LED 3mm - Green

10UH Power Inductor

1x2 Membrane Matrix Array Plus & Minus Keypad

8-in-1 Precision Multi-Tool Screwdriver Pen

LED 5mm - Green

NRF24L01 2.4GHz Wireless Transceiver Module

0.4MM E3D NOZZLE (1.75MM FILAMENT)

IR Infrared Receiver Module

CD4017BE (Decade Counter)

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

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

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

LilyPad 328 Main Board (ATmega328P 16M)

Flexible Plum Clamp Coupler D30 (14x14 Nema34 Shaft)

AAA BATTERY HOLDER - TWO SLOT

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

0.6MM E3D VMA NOZZLE (1.75MM FILAMENT)

W1209 Temperature Controller

RGB LED 10MM (Common Cathode)

SN74LS00 - Quad 2-input NAND Gate (7400)

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)

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

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)

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

DIY Solar Energy Revolving Bell Kit

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

75Pcs Plastic Gear & Pulley Kit

ARM STM8 Development Board STM8S103F3P6 Module

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)

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

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

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

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)

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

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

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

RAMPS PCB CONNECTOR SCREW TYPE

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