16x2 LCD display with I2C interface module for low-pin text output.

Tower Pro SG90 micro servo motor for small-angle positioning in robotic mechanisms.

1.5V DC mini vibration motor for lightweight alert and vibration effects.

Wiring:Red and connection red line:"+" green line "-",output: the other side ,same color cable.Work: intermittent , continuous work does not allow more than 1 minute and the output side does not allow shorting . Improper voltage and long working hours easily damaged module. Wiring:Red and connection red line:"+" green line "-",output: the other side ,same color cable.Work: intermittent , continuous work does not allow more than 1 minute and the output side does not allow shorting . Improper voltage and long working hours easily damaged module. Output Voltage:The output voltage of the high?voltage generator is 0V, please use Boost Step?Up Power Module under conditions. Feature:High Voltage Boost Transformer can generate high temperature and arc and easily ignite .This High Voltage Pulse Generator should avoid using electricity under high?voltage no?load conditions. Used as:This High Voltage Transformer can be used as a high?voltage source for high school scientific experiments, electronic instruments and small scientific experiments.

Flame detection sensor module using infrared sensing for fire presence monitoring.

4x4 matrix membrane keypad for numeric and function key input in microcontroller systems.

STM32F103C8T6 mini development board for ARM Cortex-M3 embedded control projects.

A4988 stepper motor driver module with current limiting and microstep control.

1S 15A BMS board for 3.7V lithium cells with charge and discharge protection.

MG996 metal gear servo motor for high-torque angular positioning in robotics.

Arduino USB Host Shield for connecting USB keyboards, mice, gamepads, and peripherals.

12CPR magnetic encoder pair for motor speed and position feedback in control systems.

USB to RS232 converter for connecting legacy serial equipment to modern USB ports.

Bluetooth amplifier audio module with USB input for compact wireless sound systems.

Digital volt-ammeter panel meter for monitoring DC voltage up to 100V and current to 10A.

Infrared receiver and transmitter module set for Arduino remote control applications.

MT3608 DC-DC boost converter module up to 2A for increasing voltage in power circuits.

AC 220V 2000W motor speed controller board for adjustable AC load power control.

38kHz infrared transceiver module for IR signal transmission and remote sensing.

12V 20A digital thermostat controller for automatic temperature-based load switching.

NEO-6M mini GPS module for location, speed, and timing data in tracking projects.

HC-06 Bluetooth serial module for wireless UART communication with Arduino devices.

ESP8266 Wi-Fi module for adding low-cost wireless networking to microcontroller systems.

ESP32-WROOM-32D module with Wi-Fi and Bluetooth for IoT and embedded control projects.