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This repo contains all the necessary assets to build a module monitoring and displaying the level of water in a water tank. The PCB layout was designed to fit in a Legrand Mosaic obturateur, hence compatible with any Mosaic Support.
The project is hosted on Hackaday.io. See this blogpost for more details about the designing and building process.
The PCB was designed using Kicad.
Project files can be found in the /Schematics directory.
It includes JLCPCB's production files if you want to make your own.
Documentation (datasheets, footprints) can be found in the /Documentation directory.
The firmware was developed using PlatformIO.
Project files can be found in /Firmware directory.
To report measured values via Zigbee, the board need a host PTVO firmware connected on pins PD3(RX) PD4(TX). The following infos should help you generate your own custom PTVO firmware:
Board type: CC2530
Device type: Router
Model ID: water.monitor
Disable periodic On/Off reports for GPIO outputs: Yes
Status LED: P01, Sending reports
Set default reporting interval (s): 0
Output pins:
P02: Output 2, UART (UART: 115200 8N1, Packet end: 0x0D, Byte: 239)
=> PTVO UART pins are P02(RX) P03(TX)
P30: Output 3, UART sensor (Mode: On/Off, : Read/Write, Units: None), Remember state
=> oled display on/off state
P31: Output 4, UART sensor (Mode: Analog value, : Read, Units: None)
=> water level value in percentage
P32: Output 5, UART sensor (Mode: Analog value, : Read, Units: None)
=> measure distance to water in cm
P33: Output 6, UART sensor (Mode: Analog value, : Read/Write, Units: None), Remember state
=> configurable min measurable distance in cm
P34: Output 7, UART sensor (Mode: Analog value, : Read/Write, Units: None), Remember state
=> configurable max measurable distance in cm
Input pins:
P00: Input 1, External wake-up, Pull-up
=> onboard push button, if any
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