A reliable ST-Link V2 programmer for STM8 and STM32 devices, housed in a durable aluminum alloy case for portability and safety. Offers 3.3V and 5V support, onboard resettable fuse protection, and high-speed SWIM/SWD programming with clear laser-engraved interface labels.

A compact 0.28" digital DC voltmeter module with a bright blue LED display. Measures 0–100V with stable, accurate readings and requires a separate 5–24V supply. Lightweight and reliable, it’s perfect for battery monitoring, DIY electronics, and embedded voltage measurement applications.

A compact MP1584-based DC-DC buck converter supporting 4.5V–28V input and adjustable 0.8V–20V output. Delivers up to 3A current (1.8A typical) with onboard potentiometer control, internal soft-start, and ceramic capacitor stability—ideal for DIY electronics, regulated power supplies, and embedded systems.

A compact high-voltage DC-DC step-up power module with 3.6V–6V input and 400KV output. Designed for experiments, ignition, and science projects, it delivers strong voltage conversion with 2–5A input current. Includes 100mm input and 160mm output leads for easy wiring.

A high-voltage DC-DC step-up module converting 3.6V–6V input into 500KV–1000KV output. Operating at 2A–5A input current, it’s suitable for ignition, scientific experiments, and DIY high-voltage projects. Includes 100mm input and 160mm output leads for convenient integration into experimental setups.

A CN3791-based 12V MPPT solar charging module designed for efficient lithium battery charging. Features 2-pin JST connectors, 300KHz PWM switching, and supports up to 2A charging current. Ensures maximum power extraction from solar panels for reliable off-grid and renewable applications.

A compact 3.2V lithium battery protection module with 6A capacity, built using 4 MOSFETs for reliable performance. Provides over-discharge and overcurrent protection while supporting 3.2V and 3.7V cells. Features nickel strip design for easy mounting and secure battery pack integration.

A reliable USB-to-TTL serial converter built on the CP2102 chipset for stable communication. Features 6-pin output (3.3V, RST, TXD, RXD, GND, 5V), supports baud rates from 300bps to 1.5Mbps, and ensures compatibility with USB 2.0 full-speed 12Mbps communication standards.

A compact Micro USB to 5-pin adapter board that converts a micro-USB female port into standard 2.54mm DIP pins. Ideal for connecting smartphone cables, chargers, or power adapters to embedded projects, offering simple integration and reliable multipurpose connectivity.

A 4-channel bi-directional logic level converter for seamless voltage translation between 3.3V and 5V systems. Compact and breadboard-friendly, it supports I2C, SPI, and UART communications, making it ideal for Arduino, Raspberry Pi, and other microcontroller projects requiring reliable voltage compatibility.

A DS1307-based real-time clock (RTC) module with I2C interface and AT24C32 32K EEPROM for data storage. Provides hour, minute, second tracking with AM/PM format, calendar date up to year, and 56 bytes of user-accessible NV memory. Compact and versatile design.

A high-power MOSFET trigger module supporting 5–36V output and up to 15A continuous current (30A peak with cooling). Accepts digital or PWM signals (3.3V–20V) from microcontrollers or PLCs, making it ideal for driving motors, pumps, solenoids, LED lights, and DC loads.