Collection Order|Light of the Internet of Things—Learning to Accompany Night Lights

## 1. Introduction to the work:

A thousand-year-old darkroom can be illuminated by just one light.

## 2. The overall design block diagram
is to be drawn...
![image.png]
## 3. Device introduction
### 1. Photovoltaic panel

The photovoltaic panel is a round polycrystalline micro-power solar Epoxy board 65mm5v0.3wPET power generation Board

![image.png]

### 2. Lithium battery

Lithium battery uses 3.7V lithium battery

![lithium battery.jpg]
## 4. Schematic design description


The schematic diagram is as follows

## 5. PCB design description


PCB is as follows

## 6. The description




procedure is in the attachment


## 7. Physical display instructions



! [Figure 1.jpg]
## 8. Update instructions



[April 29, 2023]
The first version of the test is completed, and the function is completed and
there is a problem with the automatic download circuit

## 9 , Demonstration video


video connection: