Other Modules

The TP4056 is a compact, efficient 1A LiPo battery charging board with Micro USB input and built-in current protection. It features linear charging with 1.5% precision, making it perfect for safely charging 3.7V lithium-ion cells in various electronic projects.

The AB001 PS2 Joystick Module is a reliable, two-axis analog control interface ideal for Arduino and microcontroller projects. It features a 5V operating voltage, 2.54mm pin interface, and stable performance, making it perfect for gaming controls, robotics, and interactive DIY electronics.

The AA084 4x4 Matrix Keypad is a compact, ultra-thin membrane keypad with 16 tactile keys. It features adhesive backing for easy mounting and is ideal for microcontroller-based projects requiring secure user input like password entry, menu navigation, or control panels.

The PL2303HX USB to TTL Converter Module offers reliable serial communication between USB and microcontrollers. With support for both 3.3V and 5V systems, this module is ideal for flashing, debugging, or interfacing embedded systems with your PC.

The AC017 5V Passive Buzzer is a compact, reliable sound device ideal for alerts and notifications in electronics. Operating between 3V–12V, it resonates at 2048Hz and is compatible with Arduino and other microcontroller boards.

This USB AVR programmer is designed for efficient ATMEGA8 and ATMEGA128 microcontroller programming. It includes over-current protection and supports both 3.3V and 5V targets. The included download cable ensures stable data transmission, making it a reliable tool for embedded development tasks.

A compact precision RTC module integrating a DS3231 clock chip and AT24C32 EEPROM. Offers highly accurate timekeeping (±2 ppm), dual battery backup, and I²C interface up to 400 kHz. Supports calendar, alarms, temperature readout, and leap-year compensation—ideal for long-term embedded applications. 

This high‑precision ADS1115 ADC module delivers 16‑bit resolution and up to 860 samples per second via I²C. It features four single‑ended or two differential inputs, a programmable gain amplifier (up to ×16), and broad compatibility with 2–5.5 V logic systems.

This compact module integrates a MAX485 transceiver to convert TTL serial signals into differential RS-485 communication. It supports half-duplex data transfer, low‑power operation, and reliable long‑distance connections. Ideal for multi-drop networks with screw-terminal wiring and full microcontroller control access.

A compact 40 × 40 × 3.6 mm Peltier cooler module delivering up to 92 W of cooling power at 12 V, with a maximum current of 6 A. Boasts ~1.98 Ω internal resistance, long life expectancy, and versatility for cooling, warming, or power generation in embedded applications. 

A compact 40 × 40 × 3–4 mm Peltier cooler module with 127 semiconductor couples. It operates up to 15 V and 15 A, offering a cooling power up to ~136 W (ΔT ≈ 70 °C). Reversible polarity allows heating or electricity generation—ideal for versatile thermal applications. 

A compact mechanical endstop switch module for 3D printers and CNC machines. Featuring a lever-operated switch that pulls the signal LOW when triggered, a built-in LED indicator, 22 AWG cable up to 70 cm, and reliable ratings of 300 V, 2 A, and 80 °C.