15A 400W Mosfet Trigger Switch Driver This Dual Large Power Mosfet is the ultimate solution for high-power applications. This compact device manages 15A, 400W power at room temperature with its dual MOSFET parallel active output. With a wide voltage input supporting PWM and a flexible trigger source, this Mosfet adapts to various setups, connecting seamlessly to microcontrollers, PLC interfaces, and DC power sources. The robust output capacity of DC 5V - 36V, continuous current 15A, and power up to 400W makes it versatile for applications like high-power equipment, motors, light bulbs, LED lights, DC motors, micro-pumps, and solenoid valves. Its temperature resilience (-40 to 85?) ensures reliable performance in diverse conditions. Compact in size at 34mm X 17mm X 12mm, it's designed for efficiency, but for high-current operations. Features: The trigger source: digital high-low (DC3.3V – 20V), can be connected microcontroller IO port, PLC interfaces, DC power, you can access the PWM signal, the signal frequency 0–20KHZ perfect support. Output capacity: DC 5V – 36V, at room temperature, continuous current 15A, power 400W! Lower auxiliary cooling conditions, the maximum current up to 30A. Applications: High-power equipment, motors, light bulbs, LED lights, DC motors, micro-pumps, solenoid valves, motor speed control, lamp brightness

15cm Multipurpose PCB Measuring Ruler The 15cm Multipurpose PCB Ruler is a precision-engineered measuring tool designed specifically for electronics enthusiasts, PCB designers, and makers. Built from durable PCB material with copper etching and gold plating, this ruler provides excellent longevity and a premium feel. It offers dual-scale measurements in both millimeters and inches, allowing smooth workflow across different project requirements. More than just a ruler, it includes valuable PCB reference data such as IC package outlines, angle gauges, SMD component dimensions, pin spacing charts, AWG hole sizes, and polarity indicators. This compact tool fits easily into any toolkit and serves as a quick-access reference guide during PCB design, inspection, or debugging sessions. Whether you're designing circuits or checking component footprints, this multipurpose ruler makes your work more efficient and accurate. Features: 15cm (6-inch) dual-scale ruler with precise mm and inch markings. Made from high-quality, gold-plated PCB material for long durability. Includes common IC package guides such as SOP-32, SOP-24, SOP-20, SOP18, SOP16, and SOP14. Provides SMD package dimensions for capacitors, resistors, and other components. Compact, lightweight, and easy to carry in any electronics toolkit. Ideal multipurpose measuring tool for PCB design, prototyping, and debugging.

25cm Multipurpose Engineering Measuring PCB Ruler The Multipurpose 25cm PCB Ruler is designed for electronics enthusiasts, makers, and PCB designers who need a versatile and information-packed measuring tool. Crafted from durable FR4 PCB material with high-quality R-4 gold-plating, this ruler offers exceptional hardness, wear resistance, and long-lasting performance. Its dual-scale layout allows accurate measuring in both millimeters and inches, making it suitable for PCB layout work, prototyping, and debugging. Beyond basic measurement, this 25cm ruler integrates a wide variety of PCB design references directly onto its surface. It includes angle gauges, IC pin spacing tables, SMD package outlines, resistor and capacitor chip sizing, hole diameter references, and trace-width guides. The addition of AWG drill hole sizing helps users compare wire thicknesses quickly during assembly. Whether you're designing circuits or troubleshooting, this all-in-one PCB ruler ensures you always have essential data at your fingertips. Features: 25cm (10-inch) multifunctional ruler featuring dual mm and inch scales for accurate measurement during PCB design and prototyping. Made from durable FR4 PCB material with R-4 gold plating and copper-etched markings for high hardness, long-lasting wear resistance, and premium finish. Includes essential PCB design references such as angle gauges, IC package information, pin spacing tables, and trace-width guides. Provides SMD package dimensions for resistors, capacitors, and other common components along with polarity and terminal identifiers. Features AWG drill-size chart, hole diameter references, and other handy guides, making it an essential tool for hobbyists, students, and engineers. Easy to carry and compact, offering a complete reference set in the size of a standard ruler. Ideal for PCB design, electronics prototyping, debugging, and educational use.

3.7V 1800mAh 18650 Battery The 18650 battery is an exceptional cylindrical lithium-ion rechargeable battery known for its versatility and reliability. With a voltage rating of 3.7V and an impressive capacity of 1800mAh, this battery packs a considerable amount of power to meet the demands of a wide range of electronic devices. Its cylindrical shape, with a diameter of 18mm and a length of 65mm, allows for easy integration into different device designs. Whether it's powering a flashlight during a camping trip, energizing a toy car for hours of playtime, or supplying energy to various other electronic devices, the 18650 battery is a trusted choice. One of the key advantages of the 18650 li ion battery lies in its rechargeable nature. It can be replenished again and again, ensuring a sustainable and cost-effective power solution. This feature makes it an environmentally friendly option compared to single-use batteries, as it reduces waste and promotes energy efficiency. The 18650 battery also boasts robust construction. It features a sturdy outer casing that provides protection and insulation. Inside, the battery is equipped with high-quality materials, including high carbon steel, which enhances its durability and safeguards against potential hazards such as bursting or overheating. This design ensures both the longevity of the battery and the safety of its users. check out : 3.7V 1200mAh 18650 Battery Features: High energy density High working voltage for single battery cells. Pollution-free Long cycle life No memory effect Capacity, resistance, Voltage, and platform time consistency is good. Good consistency and low self-discharge. Lightweight, small size High performance and capacity Flat top to suit many devices fitting.

8 in 1 Handheld GPS Compass Altimeter Barometer Watch with Calendar & Forecast Timer The 8-in-1 Handheld GPS Compass Altimeter Barometer Watch is great for all your outdoor trips. It comes with a digital altimeter, barometer, compass, weather forecast, clock, calendar, and thermometer. It's easy to carry with a removable strap, making it perfect for hiking or climbing. Plus, it has a backlight, so you can see everything even in the dark. Whether you’re checking your altitude, temperature, or time, this multi-function GPS compass watch has everything you need! Key Features: 8-in-1 altimeter, barometer, compass, weather forecast, clock, calendar, thermometer. Measures altitude: -700 to 9000 meters (-2300 to 29500 feet). Weather forecast for planning. Stores 256 altitude records. Digital compass with degrees and cardinal points. Thermometer in Celsius and Fahrenheit. 12-hour/24-hour time format. Backlight for night use. Detachable string for easy carrying.

CH340G USB to Serial Converter This is CH340G USB To TTL(Serial) Converter, USB to TTL / USB-TTL /STC microcontroller programmer / PL2303 in nine upgrades plate with a transparent cover Compatible with ARDUINO, RASPBERRY PI, AVR, PIC, 8051, etc. This USB–TTL converter is based on CH340G USB to Serial TTL converter chip. The module can be used for 3.3V logic level signals and has the option to switch from 5V to 3.3V logic level using a 2 pin shunt supplied with the module. The CH340 USB to serial adaptor makes use of the CH340 USB to serial IC to provide a low-cost alternative to our popular FTDI-based module. Although much cheaper this module doesn’t lack in features or usability. Note: Once you have installed the drivers the module will appear as a normal serial COM port on your computer making it compatible with most terminal programs and development environments such as the Arduino IDE. The module includes a small switch that allows the voltage available at the VC (Supply output) pin to be switched between 3.3 and 5V. Data pins include TX and RX. These digital pins are at 5V TTL levels allowing them to be directly interfaced with most 5V microcontrollers. What does the CH340G USB to Serial TTL converter support? The USB to serial converter supports WINDOWS 98 / ME / 2000 / XP / Server 2003 / VISTA /Server 2008 / Win7 / Win8 32 Bit / 64. For the purpose of communication, the USB serial converter supports USB1.1 or USB2.0/USB3.0. It also supports RS232, RS485, and RS422 interfaces. The CH340G USB to Serial converter also supports common MODE contact signal and IRDA SIR infrared communication. Applications: Programming USB to UART Converter Debugging Serial Monitor

CH341A Series Burner Chip Programmer The CH341A series burner chip programmer is a low-cost mini USB  EEPROM Flash BIOS USB Programmer that was built and designed to support 24 EEPROM and 25 SPI flash 8pin/16 pin chip. This CH341A series programmer is integrated with a powerful CH341A chip that has the ability ro automatically recognize 25 series chip. This CH341A  EEPROM USB programmer is equipped with a indicator lamp that helps the user understand working status of the USB programmer. You will require ComboTool app for performing: Writing & Executing JAVAScript in Android device and performing I/O directly. Plugin IR_Temper Sensor => Combotool change to be a temperature meter. Plugin RS485 Converter =>It can capture/send RS485 Modbus frame. Plugin => It can be a UV meter. Types of modes used in the CH341A EEPROM USB programmer: UART Mode: The UART mode in the CH341A series USB programmer provides a different control signal rate such as serial transfer enable, serial receive in ready. This mode provides the CH341A USB programmer with common MODEM communication signal in order to expand UART for computer. Printer Port Mode: The standard printer port in the CH341A EEPROM programmer compounds USB relevant protocol and Windows operating system used to upgrade ordinary parallel printer to USB bus directly. Parallel Mode: The CH341A USb programmer provides 8-bit parallel in EPP or MEM mode which can be used to input/output data directly without MCU/DSP. How do you program a BIOS CH341A chip? You need to first reboot your computer since you need to outside of your normal operating system while entering the BIOS utility. Pay attention to the screen as your computer loads up to press the indicated key during the startup messages to enter the BIOS. Navigate through the BIOS menu screens, using the arrow keys. Highlight the setting to be reprogrammed with the arrow keys and press "Enter". This will display a list of valid settings for the particular option. Highlight the option that you wish to select and press "Enter" again. Exit BIOS when done making your changes by pressing the "Esc" key. Press "Y" to save and confirm your changes.

CP2102 USB to TTL UART Converter The CP2102 USB to UART/TTL Converter Module provides a serial port for your computer, i.e. a virtual COM port to connect to a serial device. The IC used CP2102 is stable and reliable. It supports baud rates from 300bps to 1.5Mbps and driver support for a wide range of Operating Systems. This is a great little tool for embedded systems that require a serial connection to a computer. The board can simply attach to a USB bus and will appear as a standard COM port. ThisCP2102 doesn't require any external oscillator, it onboard-board voltage regulator, and it even uses a reprogrammable internal EEPROM for the device description. The full hardware UART has flow control for baud rates from 300bps to 921600bps. This breakout also allows you to connect the TX/RX pins of your favorite microcontroller or serial application to the RX/TX pins of the breakout, creating a simple serial cable replacement. check out : PL2303 USB-TTL Converter Pin Description Pin 1: 3V3 3.3 volts Pin 2: TXD Transmit Data Pin 3: RXD Receive Data Pin 4: GND Ground Pin 5: +5V 5 volts Applications Debug purpose in development boards. Microcontroller to PC communication Programming related purposes

CP2102 USB to TTL Converter Cable This cable is easiest way ever to connect to the serial console port of your microcontroller, Raspberry Pi or router. The USB connector contains a USB - Serial converter chip and at the other end of the 90cm long cable are four header connectors: red = power, black = ground, white = RX (to USB port) and green = TX (from USB port). The power connector provides 5V at 500mA directly from the USB port and the RX / TX connectors are 3.3V for interfacing with most 3.3V components. Because of the separated pin plugs, this cable is ideal for powering and connecting up to the debug/login console on the Raspberry Pi or BeagleBone Black. Features: Stable and Reliable Chipset: Uses the CP2102 chipset, known for its stability and reliability. USB 2.0 Compliant: Supports full-speed 12Mbps USB 2.0 interface. Standard Connectors: Features a standard USB Type A male connector and a TTL 6-pin connector. Wide Baud Rate Support: Supports baud rates from 300 bps to 1 Mbps. Handshaking and Modem Signals: Includes all handshaking and modem interface signals. Buffer Capacity: 640-byte receive buffer and 640-byte transmit buffer. Voltage Levels: Supports both 3.3V and 5V logic levels. Cross-Platform Compatibility: Compatible with Windows, Mac OS, and Linux. LED Indicators: Features RX, TX, and Power LEDs for easy debugging. Applications: Programming Microcontrollers: Used for programming and debugging microcontrollers that use UART communication. Serial Communication: Facilitates general-purpose serial communication between a computer and embedded systems. Firmware Upgrades: Useful for upgrading firmware on devices like routers, HDDs, ADSL modems, and broadband modems. Embedded Systems Development: Ideal for developing and testing embedded systems that require a serial connection to a computer. IoT Projects: Commonly used in Internet of Things (IoT) projects for connecting sensors and modules to a computer. Debugging Tools: Acts as a UART debugging tool in various applications. Communication with Peripherals: Enables communication with peripherals like GPS modules, XBOX360, and vehicle inspection systems. Features of the CP2102 USB to TTL Converter Cable Cable Type CP2102 USB to TTL Converter Cable Lenght of the cable 90cms Weight 25 grams Header Connectors Red = power, black = ground, white = RX (to USB port) and green = TX (from USB port)

DB-9 RS232 to TTL Converter RS-232 to TTL converters make easy connections between your TTL equipment and RS-232 ports. All TTL converter models convert two channels in each direction from TTL to RS-232 or RS-422.