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1.5MM ALUMINUM ALLOY 4WD FOUR-WHEEL SMART CAR CHASSIS
1.5mm aluminum alloy 4WD smart car chassis. Lightweight, durable, and ideal for DIY robotic cars and STEM projects.
The 1.5MM Aluminum Alloy 4WD Four-Wheel Smart Car Chassis is a durable and lightweight chassis designed for building high-performance four-wheel drive smart cars. Made from 1.5mm thick aluminum alloy, it provides excellent strength, stability, and corrosion resistance, making it ideal for both DIY robotics projects and educational STEM kits.
Its 4WD design ensures superior traction and control, allowing your smart car to navigate various surfaces with ease. The chassis is compatible with DC motors, wheels, sensors, and microcontrollers, providing a solid foundation for line-following robots, obstacle-avoiding vehicles, and autonomous robotic cars. Perfect for hobbyists, students, and robotics enthusiasts looking for a professional-grade smart car base.

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HC-06 4Pin Bluetooth Module Without Reset Switch
- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.
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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