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125KHZ RFID USB BASE BOARD WITHOUT MODULE
125kHz RFID USB Base Board (without module) for interfacing external RFID modules with PCs and microcontrollers in access control and security projects.
The 125kHz RFID USB Base Board (Without Module) is a versatile development board designed for RFID system prototyping and integration. It provides a USB interface for easy communication with PCs and microcontrollers, allowing developers to test and implement 125kHz RFID card reading applications.
This board serves as a platform for connecting external 125kHz RFID modules, giving flexibility for customized RFID projects such as access control, attendance systems, inventory management, and embedded security applications. With standard USB connectivity, it is compatible with Windows, Linux, and microcontroller-based systems. Its compact design and stable operation make it ideal for both educational and professional development environments.

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- Modular stepper motor drivers:Â 3
- Limit switches:Â 6
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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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