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

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

Arduino Nano V3 (CH340)

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

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

HC-SR04 Ultrasonic Distance Measuring Sensor Module

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

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

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

4-Digit 7-Segment Display Module (TM1637)

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

ARM STM8 Development Board STM8S103F3P6 Module

TTP229 16-Key Digital Capacitive Switch Touch Sensor Module

Snow & Rain Detection Sensor Module

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

RFID Keyring Tag (13.56MHz)

Electret Microphone Amplifier GY-MAX4466 Module

LCD Screen & Keypad Arduino Shield (LCD1602)

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

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

6V 30RPM Gear Reduction DC Motor

ADXL345 3-Axis Accelerometer Module

IR Receiver & Flame Detection Module (KY-026)

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)

Arduino Pro Mini Atmega328 (3.3V)

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

Temperature Sensor Module (KY-001 3pin DS18B20)

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

4x4 Matrix (16 Key) Membrane Keypad

A4988 STEPPER MOTOR DRIVER (RAMPS)

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

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

Flexible Aluminium Coupling (5mmx5mm)

MQ-7 Carbon Monoxide (CO) Gas Sensor Module

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

Nema 17 Stepper Motor (17HS2408)

MQ-2 Smoke/Liquefied-Flammable Gas Sensor Module

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

Serial Wireless WIFI Module (ESP8266 )

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

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

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

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

Strong Vibration Motor (1.5V-6V)

MOSFET Relay Module (0-24V Mosfet IRF520)

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)

Double Sided Prototype PCB Universal Printed Circuit Board 2x8cm

ESP32-CAM WiFi + bluetooth Camera Module Development

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

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

Leobot 3D Printing Service

Leobot DIY Robotic Claw Module (with MG90 Servo)

Arduino Robot Tank Chassis (Plastic Track)

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

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

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

Laser Receiver Module

KY-018 Light Detection Sensor Module (LDR Arduino)

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

PCB Thermal Transfer Paper A4

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

Photodiode BPW34

MP3 Player Module (DFPlayer Mini)

Universal IR Infrared Sensor Receiver Module (KY-022)

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

32.768KHz Quarts Crystal Passive Oscillator

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

Hinged Roller Limit Switch ( 1A, 125VAc)

Turtle Robot Arduino Starter Kit

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

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

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)

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

Alien Clapton Coil Heating Wire (Premade Coil)

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

Shock Vibration Switch Module (KY-002)

3-Axis High Precision Compass Magnometer Module (AK8975)

SN75441 IC (Quad HALF-H Driver DIP16)

Five Direction (5D) Game Joystick Button Module

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

USBTiny ISP AVR Arduino Boatload Programmer

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

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

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

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

22uH Toroid Core Inductor (B02, 3A)

20 Key Membrane Matrix Array Keypad 4x5

Voice & Sound Detection Module

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

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

L7805CV To-220 (Linear Voltage Regulator)

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

Multi-functional Arduino Learning Shield

1-Key RED Membrane Button Switch

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

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

LCD Adapter Plate I2C (LCD1602)

LED 5mm - Red

5mm RGB LED Module (KY-016 FZ0455)

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

5 Way Flame/Heat Sensor Module

Double Sided Prototype PCB Universal Printed Circuit Board 3x7cm

TOP255PN Top Switch Offline (DIP-7)

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

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

18mm Magnetic Induction Heating Coil

RC Car Wheel (68mm Diameter)

Double 10K Ohm Sliding Row Linear Potentiometer Mixer Module

RAMPS 1.4 ARDUINO SHIELD

LED 5mm - Ultraviolet 390NM Clear Lens

Piezo Disc Element (15mm)

FM Stereo Radio Module RDA5807M Wireless Module

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

Leobot RC Car Wheel

TMS4464-10NL (DIP-18, RAM)

L293NE Quad Half-H Driver IC (Motor Driver)

Single Row 40 Pin Male 2.54 Breakable Pin Header Connector Strip

M3*20 Standoff Hex Spacer (Brass, Female)

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

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

10UH Power Inductor

Magnetic Ferrofluid Plasticine Playdough Clay (Magnetic Putty)

Analogue Ammeter (0-5A Panel Meter)

8X Optical Magnifier with LED backlight

Infrared (IR) Transmitter Module

LED 3mm - Green

0.4MM E3D NOZZLE (1.75MM FILAMENT)

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

1x2 Membrane Matrix Array Plus & Minus Keypad

LED 5mm - Green

NRF24L01 2.4GHz Wireless Transceiver Module

LilyPad 328 Main Board (ATmega328P 16M)

8-in-1 Precision Multi-Tool Screwdriver Pen

CD4017BE (Decade Counter)

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

0.6MM E3D VMA NOZZLE (1.75MM FILAMENT)

IR Infrared Receiver Module

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

Flexible Plum Clamp Coupler D30 (14x14 Nema34 Shaft)

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

AAA BATTERY HOLDER - TWO SLOT

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

RAMPS PCB CONNECTOR SCREW TYPE

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

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

RGB LED 10MM (Common Cathode)

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

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

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

LED 10mm - Yellow

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

SN74LS00 - Quad 2-input NAND Gate (7400)

W1209 Temperature Controller

775 DC Motor (12V-24V)

Circuit Experiments Kit

Raspberry PI Pico

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

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

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

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

Micro PCB Drill Set (10pc)

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

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

EL Wire 3m Flexible - Green

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

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)

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

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

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

Piezo Disc Element (50mm)

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

Mini SIM800L GPRS GSM Module (MicroSIM)

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