[Tuya Smart] Aqua Submarine

A development-free scene light socket firmware based on the Tuya WB3S module. I personally don’t know how to program, so I’m grateful for the development-free solution of Tuya Smart Platform. A reduction motor is responsible for transmission to rotate the submarine model, and an air pump is installed on the top of the hollow transmission shaft to add oxygen to the aquarium. Four enameled wires are installed inside the hollow drive shaft to power the boat-mounted RGB lights (the control pins of the boat-mounted RGB lights are deliberately disrupted to make the colors in the box richer). At the same time, the air outlet pipe at the stern of the boat is transparent. During the air outlet process, the air outlet is on the tail fin. The RGB lights will render the color of the bubbles.

Please watch the video for detailed introduction! ! !

submarine

brush

master control

Two transmission motor holders are designed in the upper part (the small one is a reduction motor and the other is an ordinary motor), and the lower part is a bearing holder and a motor brush holder. The holes in the middle are used to install reduction wheels. The pad in the middle of the brush plate is used for welding with the hollow copper drive shaft, and the 6 holes on the side are used for routing enameled wires that supply power to the lights and air pump.

A power output interface is designed on the board (to reduce wiring), which can output 5V (maximum 2A) or 12V (current depends on the power supply) power supply, which can be selected through the 3-speed switch behind the interface. Originally, the output was selected through two switches, and the output terminal was directly connected to the common terminal of the relay. However, considering the safety when using 220V, it is more reliable to choose the existing solution of manual wiring, so as not to forget to flip the switch.

There are three RGB lights designed on the boat, one on the left and right sides of the bow and one on the stern fin.

The thick red wire in the picture is drawn out to dissipate heat from the lamp.