Assemble Fire Extinguishing Robot

Remove the ultrasonic sensor and two photoresistors.

Put on a fan module and two flame sensors.

You can make the fan module install further if the fan module and flame sensors interfere.

Wire up

Wire up the two flame sensors.

Flame Sensor	Keyestudio 8833 Board
G	G
V	V
A	A1

Flame Sensor	Keyestudio 8833 Board
G	G
V	V
A	A2

Wire up the fan module .

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.