### Assemble Fire Extinguishing Robot Remove the ultrasonic sensor and two photoresistors. ![](./media/d575fad4068d67daffaf3958996a185b.png) ![](./media/3a350ba2fda9f37c8f0870f16c981f7b.png) Put on a fan module and two flame sensors. ![](./media/f1a3dbebcb34d4a390e4b2412d34e03e.png) You can make the fan module install further if the fan module and flame sensors interfere. ![](./media/8ec448f8b626fd9f8f0a6941b927c0af.png) **Wire up** Wire up the two flame sensors. ![](./media/e224ea3ffed9b63eda92e9fbd2fc0ed2.png) | Flame Sensor | Keyestudio 8833 Board | | :----------: | :-------------------: | | G | G | | V | V | | A | A1 | ![](./media/5aaf61e5d36e7bc01753e544bebeca46.png) | Flame Sensor | Keyestudio 8833 Board | | :----------: | :-------------------: | | G | G | | V | V | | A | A2 | Wire up the fan module . ![](./media/c646fb9322c3f4315b246a36ee1df17c.png) | DC130 Motor | Keyestudio 8833 Board | | :---------: | :-------------------: | | G | G | | V | V | | IN+ | D12 | | IN- | D13 | **We adopt a model 18650 lithium battery with a pointed positive pole, whose power and capacity are not required.** ![](./media/img-20240117152607.jpg)