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PL2303 TA USB to TTL 4 Pin Cable
USB to TTL serial converter cable based on PL2303TA chipset with a 4-pin interface, ideal for Arduino, ESP, GPS, and embedded development.
The PL2303 TA USB to TTL 4-Pin Cable is a reliable USB-to-UART converter cable designed for serial communication between a computer and TTL-level devices. Based on the popular PL2303TA chipset, this cable enables easy programming, debugging, and data transfer for microcontrollers, GPS modules, GSM modules, and other serial devices.
It features a 4-pin TTL interface (TX, RX, VCC, GND) and supports stable communication with Arduino boards, ESP modules, routers, and embedded systems. With plug-and-play driver support on most operating systems, it is ideal for developers, hobbyists, and students working on electronics and IoT projects.

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- Â Support 802.11b / n / g wireless standard
- Independent development MCU platform
- High cost performance
- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
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Text to Speech TTL Module (Serial to Speech)
-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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 Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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 Voice effect optimization
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 Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes

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