We bought the micro-landscape on Taobao, and it’s fine to DIY after it arrives. The above light was originally there, but it was manual. I thought it was too troublesome to switch the light and the brightness was not enough. After it was brightened, it could be used as a night light, so I changed an ultrasonic control switch light and adjust the brightness of the circuit. , Share it with everyone now.
step 1:
Step 2:
Step 3:
The micro landscape is OK, let's start making lights.
Step 4:
Let’s take a look at the accessories first;
Arduino NANO x 1
Ultrasonic module x 1
led x 2
No. 7 battery box x 1 (If there is a suitable power supply, there is no need for the battery box to directly connect to the power supply)
10k resistor x 1
Triode x 1
Step 5:
Connection diagram (the circuit can be optimized by professionals)
Step 6:
Connect the modules according to the diagram.
Step 7:
Step 8:
Make a hole on the top of the cork cover at the beginning, and it will look like this after completion
Step 9:
Step 10:
Then put all the modules together in the cork cover (check whether the modules are working properly before loading)
Step 11:
Step 12:
The shell of the led is changed from the shell of the original lamp, so that our ultrasonic control lamp is ok
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