Water quality detector based on open source hardware
A technology for water quality detection and open source hardware, applied in the field of detection, can solve the problems of poor accuracy, difficult to promote in non-professional fields, and high cost, and achieve the effect of solving accuracy and convenience, unifying water quality measurement standards, and facilitating later comprehensive analysis.
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Embodiment 1
[0029] Such as figure 1 As shown, the present embodiment is a water quality detector based on open source hardware, including a core circuit board 10 and an expansion module 20, wherein the core circuit board 10 is provided with a processing unit 11, and the expansion module 20 is provided with a TDS measurement circuit 21, PH measurement circuit 22 , display output unit 23 , communication output unit 24 , sound output unit 25 and power supply unit 26 . The hardware interface between the core circuit board 10 and the expansion module 20 realizes the communication between the processing unit 10 and the TDS measurement circuit 21, the pH measurement circuit 22, the display output unit 23, the communication output unit 24, the sound output unit 25, and the temperature control circuit 41. Circuit connection, the power supply unit 26 provides power for each component in this embodiment. In this embodiment, the TDS measurement circuit 21 is used to detect the total amount of dissol...
Embodiment 2
[0042] This embodiment is a water quality detector based on open source hardware. The difference between this embodiment and Embodiment 1 and its various specific embodiments is that it does not distinguish between the core circuit board and the expansion module, the processing unit and the TDS measurement circuit and the PH measurement circuit. , the display output unit, the communication output unit and the sound output unit are arranged on the same circuit board. Preferably, the peripheral circuit wiring of the processing unit uses a circuit layout disclosed by open source hardware.
Embodiment 3
[0044] The difference between this embodiment and Embodiment 1 and Embodiment 2 is that the body of the water quality detector is separated from the sample cavity, and the probe and electrodes in the sample cavity are respectively connected to the TDS measurement circuit and the PH measurement circuit through flexible cables, so that the sample cavity It is fixed at a suitable collection position and is not limited to the installation position of the water quality detector body. In some specific embodiments, the body of the water quality detector includes the core circuit board and the expansion module in the first embodiment, or, as in the second embodiment, the core circuit board and the expansion module are not distinguished.
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