After receiving a water bill for over $400 due to an under ground pipe rupture, I became motivated to re-design my outside irrigation system to ensure that such an incident would never again occur. A simple evaluation of the existing system quickly revealed the shortcomings of the design. It was an accident waiting to happen. I can't rely on city environmental services to monitor stuff like this, even though its their job. We can do better.
An overall plan is designed for the replacement of the existing system with a new automated system controlled by an esp32 incorporating both an electric ball valve as well as a water meter. The basic plan is discussed. The project however will need to be broken into smaller projects as separate libraries will need to be made for the valve and meter.
An electrical design is made for functionality of the valve as well as signaling for the ESP32 so that software can be written around it. A DPDT relay is employed, wired as a flip-flop for this unit. With this a quick program is assembled just to check functionality of the relay and then power supply through the relay. With this working, the valve is then tested.
The library was built around the valve with features I felt would be beneficial toward the functionality if the valve. It has already been published to Arduino and PlatformIO library manager. Simply search for Ballvalve in the library manager of the respective IDE and install. Instructions are contained in the example code.
Next Step will be development for the water meter.
5 Wire Motorized Ball valve
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Buck Converter
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Power Transformer 120vac
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Water Meter
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AC/DC Converter
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DPDT Relay
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2.4G WiFi Antenna for FPV TX Antenna with RP-SMA Female Cable Dipole Whip
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HiLetgo ILI9341 2.8" SPI TFT LCD Display Touch Panel 240X320 with PCB 5V/3.3V STM32
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Knurled Insert Nuts - 50Pcs M4 x 6mm Length x 6.4mm OD Female
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I2C TWI Serial LCD 2004 20x4 Display Module with I2C Interface Adapter Blue Backlight
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HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board
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Screw Terminal Block Breakout Module Board for ESP32-DevKitC
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2Pin Panel Mount 13mm Waterproof Power Connector IP67
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SP13 6pin Waterproof Aviation Cable Connectors Plug Socket IP67
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360 Degree Rotary Encoder Module KY-040 Brick Sensor
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KUOYUH Circuit Breaker 91 Series 50VDC 125/250VAC (1A-2A) (2.0A)
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5PCS Green AC/DC12-24V LED Indicator Lights
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3pcs PCF8575 IO Expander Board Module I2C to 16IO IIC I2C I/O Extension
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4pcs 2A 5V Charge Discharge Integrated Module 3.7V/4.2V PCB Board Module for 18650 Lithium Battery
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10pcs AMS1117-3.3 DC-DC Step-Down Power Module AMS1117-3.3V Buck Module LDO 800MA
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#esp32 #platformio #arduinoide #automation #maker
Негізгі бет ESP32 Automated Irrigation Control System Project - PART 1 - Problem/Design/Water-Valve
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