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This USB to RS232 converter cable allows easy connection between USB and serial port devices, with a maximum transfer rate of 1 Mbps. It is ideal for connecting to cellular phones, digital cameras, modems, and ISDN terminal adapters.

Onboard MT8870 chip complex frequency decoder, voice input interface, and five LED indicators for output state, perfect for Arduino, Raspberry Pi, ARM MCU and more.

This speaker offers superior sound quality with its onboard 2W mono amplifier connected to the speaker directly. It also has a 3.5mm gold plated headphone jack to connect with headphones or external audio, and a Micro USB port.

This 4 Channel Logic Level Converter Module is compatible with Bread Plate, Ardunio, and other micro SD/TF Card Reader Module. It is perfect for Arduino projects.

This T-type connector is made of ABS and is 15cm long. It works with official Arduino boards and is made of hard plastic.

This product is a high-quality, durable laptop with a sleek design and powerful performance. It features a vibrant 15.6" display, 8th Gen Intel Core processor, up to 32GB of RAM, and up to 512GB SSD storage. It also includes a long-lasting battery and a range of ports.

This DC motor speed controller is able to control the speed of a DC motor with reverse polarity protection and high current protection. It has an output current of 6A-10A and a speed range of 0%-100%. It uses a potentiometer and screw terminals for easy and quick wiring.

This DC Motor Speed Controller works with 10-60V input voltage and is capable of controlling up to 20A current. It supports a speed range of 5-100% and offers adjustable PWM frequency. Suitable for DC motors, it offers a convenient way to control speed and direction.

This 4-channel wireless remote control duplicator can clone up to 2 remote signals from 2 different remotes, and is compatible with 99.99% of common fixed and learning code remotes. It operates with 6V DC Battery CR2016, and has a transmit distance of 50-100m. Programming is easy - just press and hold a button on the original remote and one of the buttons on the clone remote until the LED on the clone remote flashes steadily.

High voltage generator with input voltage DC 3V-7.2V, input current 2A-5A, output voltage about 200,000V, two pole discharge distance 10mm-20mm. Size D24*64mm. Please pay attention to safety when using.

This 4 inch TFT LCD Touch Shield has a resistive touch screen and an onboard stand-alone touch controller. It's compatible with Arduino development boards and has SPI control, a micro SD slot, PWM backlight control and 65K colors. Comes with STM32 and Arduino examples.

This 3.5inch TFT touch shield has a resistive touchscreen, compatible with Arduino UNO, Leonardo, NUCLEO, XNUCLEO and more, with SPI control and PWM backlight control. It has a 480x320 resolution, 65K colors, and an XPT2046 touch controller. Includes STM32 and Arduino examples.