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British Rail Class A4 "Union of South Africa" 60009 with synchronised sounds.
Controlled by an ESP32 which connects to a Lego PU remote. The ESP32 controls motor and sound.
It is powered by a 3S Lipo and 2 L motors (1 PF and 1PU) drive the XXL Disc wheels with a 1:1.8 drive ratio.
The exhaust sound is relative to wheel position - it is measured by the ESP32 using the rotary encoder in the PU L Motor. There is a speaker mounted in the smoke box.
Sounds include, exhaust, injectors, whistle, cylinder cocks, coal shoveling and safety valve. The ESP32 simulates water, steam and coal usage to determine when to play sounds.
Decals are O gauge from Fox Transfers.
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www.ccdcam.com/en/products/camera-modules.html
Get the most out of your surveillance with IP Camera Module! Featuring a wide range of applications and state-of-the-art technology, our camera modules are just what you need to stay safe and secure. From common medical to ATM machines, road monitoring and home monitoring, we have everything you need to monitor easily, efficiently and effectively. Get yours today and experience the best in security!