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In the previous two issues, our smart fish tank has achieved the following functions:
First Issue: Water Circulation and Oxygenation Function – A lazy tool? I used the Espressif ESP32-S3 development board to create a smart fish tank that can take care of itself! Low-cost and open source!
Second Issue: Water Quality Monitoring Function – With just one Espressif ESP32-S3 development board, I surprisingly achieved freedom in monitoring fish tank water quality at home?! Open source code!
This issue will focus on a key factor for plant growth – light, further developing the smart environmental light monitoring function.
Healthy plant growth relies on five essential elements: temperature, light, water, air, and nutrients. Light is the source of life for plants. However, unstable natural light and insufficient indoor lighting often restrict the growth of aquatic plants in the fish tank, necessitating artificial lighting. To achieve smart lighting, we must first accurately sense the intensity of the ambient light.
In this issue, we will guide you through the setup of the environmental light detection part. The project code is open source!
Message us with the keyword ESP32NANO Smart Desktop Ecological Fish Tank to automatically obtain the software source code link for the smart ecological fish tank on Baidu Cloud!
Materials Preparation
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1 ESP32-S3 Development Board
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165x55x10mm Breadboard
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15cm Dupont Wires
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BH1750 Environmental Light Monitoring Module
This time we are using the ESP32-S3 development board, which is still our old partner: Qiming Cloud’s self-developed WT9932S3-NANO development board, equipped with the ESP32-S3R8 dual-core chip.
Hardware Connections
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Connect D19 (SDA) of the development board to the SDA of the sensor
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Connect D20 (SCL) of the development board to the SCL of the sensor
Sensor Data Acquisition
We read the BH1750 sensor data through the I2C communication protocol to obtain the current ambient light intensity value in real-time.
Thus, the environmental light monitoring function has been successfully implemented. The intelligence lies in the details; what seems like a simple function is the foundation of the smart lighting system. Only when the fish tank can accurately sense the ambient light can it automatically turn on the supplemental lighting when needed.
Next Issue Preview: Artificial Lighting System
With the environmental light monitoring function implemented, in the next issue, we will develop the artificial lighting system: our smart fish tank will not only be able to sense light but also autonomously provide supplemental lighting when needed!
Want to know how our smart fish tank automatically turns on the supplemental lighting? Please stay tuned to the 【Qiming Cloud Technology】 public account, as a smarter fish tank is on its way to you!
Effortlessly replicate the same fish tank, scan to purchase the ESP32-S3-NANO development board now!
About Us
Qiming Cloud, as a first-level agent of Espressif Technology, is a national high-tech enterprise integrating R&D, design, and production, providing customers with end-to-end AIoT integrated solutions from ESP modules, ESP development boards, smart color screens to AI large model integration. The company has passed ISO quality management system certification, holds nearly a hundred intellectual property rights, and has a senior engineering team with over 60% of R&D personnel, with an annual shipment volume exceeding 20 million units, serving over 5000 enterprise customers globally across more than 100 sub-sectors including smart home, industrial control, medical, and consumer electronics.
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Past Review
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