Arduino UNO R3

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

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

Double Sided Prototype PCB Universal Printed Circuit Board 3x7cm

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

JoyStick Module KY-023 (Arduino)

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

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

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

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

Arduino Nano V3 (CH340)

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)

Infrared (IR) Wireless Remote Control Module HX1838

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

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

HC-SR04 Ultrasonic Distance Measuring Sensor Module

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 and Red Dual LED Display)

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

RFID Keyring Tag (13.56MHz)

4-Digit 7-Segment Display Module (TM1637)

ADXL345 3-Axis Accelerometer Module

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

TTP229 16-Key Digital Capacitive Switch Touch Sensor Module

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

Snow & Rain Detection Sensor Module

Electret Microphone Amplifier GY-MAX4466 Module

LCD Screen & Keypad Arduino Shield (LCD1602)

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

6V 30RPM Gear Reduction DC Motor

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)

MQ-2 Smoke/Liquefied-Flammable Gas Sensor Module

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

Temperature Sensor Module (KY-001 3pin DS18B20)

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

4x4 Matrix (16 Key) Membrane Keypad

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

IR Receiver & Flame Detection Module (KY-026)

Arduino Pro Mini Atmega328 (3.3V)

A4988 STEPPER MOTOR DRIVER (RAMPS)

Flexible Aluminium Coupling (5mmx5mm)

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

MQ-7 Carbon Monoxide (CO) Gas Sensor Module

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

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

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

Strong Vibration Motor (1.5V-6V)

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

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

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)

Nema 17 Stepper Motor (17HS2408)

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

MOSFET Relay Module (0-24V Mosfet IRF520)

MP3 Player Module (DFPlayer Mini)

ESP32-CAM WiFi + bluetooth Camera Module Development

Serial Wireless WIFI Module (ESP8266 )

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

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

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

LM7805 5V Voltage Regulator Module

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

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

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

Piezo Disc Element (50mm)

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

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

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

Leobot DIY Robotic Claw Module (with MG90 Servo)

PCB Thermal Transfer Paper A4

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

Arduino Robot Tank Chassis (Plastic Track)

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

Triangular Prism (5cm)

RAMPS 1.4 ARDUINO SHIELD

Double Sided Prototype PCB Universal Printed Circuit Board 2x8cm

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

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

KY-018 Light Detection Sensor Module (LDR Arduino)

18mm Magnetic Induction Heating Coil

5 Way Flame/Heat Sensor Module

Universal IR Infrared Sensor Receiver Module (KY-022)

32.768KHz Quarts Crystal Passive Oscillator

LM393 Light Sensor Module

Laser Receiver Module

TOP255PN Top Switch Offline (DIP-7)

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)

Mini SIM800L GPRS GSM Module (MicroSIM)

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

Photodiode BPW34

775 DC Motor (12V-24V)

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

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

Five Direction (5D) Game Joystick Button Module

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

Hinged Roller Limit Switch ( 1A, 125VAc)

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

USBTiny ISP AVR Arduino Boatload Programmer

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

Alien Clapton Coil Heating Wire (Premade Coil)

Turtle Robot Arduino Starter Kit

CD4017BE (Decade Counter)

SN75441 IC (Quad HALF-H Driver DIP16)

Shock Vibration Switch Module (KY-002)

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

433MHZ Helical Antenna

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

20 Key Membrane Matrix Array Keypad 4x5

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

Multi-functional Arduino Learning Shield

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

22uH Toroid Core Inductor (B02, 3A)

5mm RGB LED Module (KY-016 FZ0455)

Voice & Sound Detection Module

L7805CV To-220 (Linear Voltage Regulator)

1-Key RED Membrane Button Switch

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

LCD Adapter Plate I2C (LCD1602)

MINI DIGITAL THERMOMETER

KUNHEWUHUA UV Exposure Unit (48W, 260x210mm)

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

Piezo Disc Element (15mm)

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

RC Car Wheel (68mm Diameter)

Infrared (IR) Transmitter Module

Single Row 40 Pin Male 2.54 Breakable Pin Header Connector Strip

FM Stereo Radio Module RDA5807M Wireless Module

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

Analogue Ammeter (0-5A Panel Meter)

LED 5mm - Ultraviolet 390NM Clear Lens

Double 10K Ohm Sliding Row Linear Potentiometer Mixer Module

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

TMS4464-10NL (DIP-18, RAM)

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

L293NE Quad Half-H Driver IC (Motor Driver)

8X Optical Magnifier with LED backlight

Leobot RC Car Wheel

M3*20 Standoff Hex Spacer (Brass, Female)

LED 5mm - Red

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

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

LED 3mm - Green

10UH Power Inductor

1x2 Membrane Matrix Array Plus & Minus Keypad

8-in-1 Precision Multi-Tool Screwdriver Pen

NRF24L01 2.4GHz Wireless Transceiver Module

IR Infrared Receiver Module

LED 5mm - Green

0.4MM E3D NOZZLE (1.75MM FILAMENT)

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

Raspberry PI Pico

Flexible Plum Clamp Coupler D30 (14x14 Nema34 Shaft)

LilyPad 328 Main Board (ATmega328P 16M)

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

LED 10mm - Yellow

AAA BATTERY HOLDER - TWO SLOT

SN74LS00 - Quad 2-input NAND Gate (7400)

RAMPS PCB CONNECTOR SCREW TYPE

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

0.6MM E3D VMA NOZZLE (1.75MM FILAMENT)

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

RGB LED 10MM (Common Cathode)

Circuit Experiments Kit

DIY Solar Energy Revolving Bell Kit

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

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

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

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

Steady Hand Electronic Kit

EL Wire 3m Flexible - Green

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

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

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

ARM STM8 Development Board STM8S103F3P6 Module

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)

Magnetic Ferrofluid Plasticine Playdough Clay (Magnetic Putty)

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

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

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

Micro PCB Drill Set (10pc)