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AERODYNAMIC AIRCRAFT DIY KT BOARD B105B AERODYNAMIC AIRCRAFT STEM EDUCATION
Aerodynamic aircraft DIY KT Board B105B STEM kit for learning flight principles, aerodynamics, and aircraft design.
The Aerodynamic Aircraft DIY KT Board B105B STEM Education Kit is a hands-on learning project designed for students, hobbyists, and STEM enthusiasts to explore the fundamentals of aerodynamics and aircraft design. Built using lightweight KT board materials, this kit allows learners to assemble an aerodynamic aircraft model and understand how air flow affects flight.
Through this project, users learn key concepts such as lift, drag, thrust, stability, and aircraft structure. Ideal for STEM education, school science exhibitions, physics experiments, and DIY aerospace projects, the B105B aircraft kit encourages creativity, experimentation, and practical understanding of aviation principles.

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Serial LCD Driver
TB6560 4 Axis Cnc Controller 4 Axis Stepper Motor Driver DSP Controlled 3.5A 24V
- Rated maximum output: ± 4.5A, 40V, Peak 5A, low output impedance, source 0.5?,
- 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.
- 3.3A 4A 4.5A to accommodate more and different motor Current.
- The drive is suitable software mach2, mach3, (mach3 have support WIN7 system), KCAM4 like.
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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