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0-12V, 1A step-down transformer
0-12V, 1A step-down transformer for converting AC mains to low-voltage AC—ideal for electronics, DIY projects, and LED power supply.
The 0-12V, 1A Step-Down Transformer is a compact and reliable solution for converting higher AC mains voltage into a lower 12V AC output suitable for electronic circuits and devices. With a 1A current rating, it is ideal for powering LED strips, low-power electronics, DIY projects, and small appliances.
This transformer is designed for safe and stable voltage conversion, featuring robust construction for long-lasting performance. Its step-down function reduces high-voltage AC to safer levels, making it easier to integrate with rectifiers, regulators, or other DC conversion modules for your electronics applications.
Widely used in hobby electronics, home automation, embedded projects, and experimental setups, this transformer provides a dependable AC power source for low-voltage circuits.

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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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