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SP1848-27145 150°C Peltier Thermoelectric Cooler
SP1848-27145 Peltier thermoelectric cooler module, capable of 150°C temperature differential, compact and silent, ideal for electronics cooling and DIY projects.
The SP1848-27145 Peltier Thermoelectric Cooler is a high-performance solid-state cooling device capable of achieving temperature differentials up to 150°C. Using the thermoelectric effect, this module can efficiently transfer heat from one side to the other when powered, providing precise temperature control without moving parts.
This Peltier module operates at DC voltage, offering stable and reliable cooling for compact applications. It is widely used in CPU/GPU cooling, laser diode temperature control, scientific instruments, portable coolers, and DIY electronics projects. Its compact size, durability, and silent operation make it ideal for hobbyists and professionals who require precise thermal management.

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- the receiving end of 0.4?, low voltage shutdown, thermal parking and circulation.
- circuit protection. After I design, you can set the current output of 0.5A 1A 1.8A 2.5A.
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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)
- 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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