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1 CHANNEL 433MHZ RF 12V RELAY
1-channel 433MHz RF 12V relay module for remote control of AC/DC devices with Arduino, Raspberry Pi, and microcontrollers.
The 1-Channel 433MHz RF 12V Relay Module is a wireless relay solution that allows you to control AC or DC devices remotely using a 433MHz RF transmitter. Operating at 12V control voltage, it can safely switch loads such as lights, fans, motors, and home appliances.
This module is ideal for home automation, remote-controlled electronics, DIY IoT projects, and wireless switching applications. It features indicator LEDs for relay status, a secure relay output via screw terminals, and reliable RF signal reception. Compatible with Arduino, Raspberry Pi, and other microcontrollers, it enables easy integration into wireless control systems.

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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
USB-to-Serial Converter
WH0201102 ABS 1.75 mm 1 kg Filament-Wanhao
- Material: ABS
- Color: White
- Material Diameter: 1.75mm
- Printing Temperature: 220° to 230°C
- Roundness Accuracy: +/- 0.5mm +/- 0.5mm
- Density: 1.31g/cm3 1.01g/cm3
- Mounted: Spool Mounted
- Net weight: 1kg
- Packaging Vacuum-sealed with desiccant to protect the filament from humidity
- Highly Detailed & Quality Outputs.
- Tried and Tested by Makenica.com
- Compatible with any FDM 3D Printer.
- ABS is stronger than PLA
- Easy to post-process.
- Environment friendly – ISO 9001 and ROHS certified

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