Wifi Water Meter Pulse Sensor

Software:

C++ source, HTML, Javascript & JSON format.

MQTT transmission of data each hour,
log history each hour in flash memory,
adjustment (setting.h) of the unit of diffusion,
retention of records on system time synchronization defect and re-indexing on synchronization recovery before historization,
monitoring of the consumption for detection of possible leaks in the water network,
configuration of the monitoring parameters via the Web interface,
MQTT alerts about possible leaks to the home automation device (Domotics, Jeedom, …).
3 configurable SSID,
web interface configuration,
definition of IPs (such as the reverse proxy) excluded from configuration changes; allows secure exposure of the (only) home page to the Internet,
debug trace available by telnet console (#ifdef DEBUG),
firmware update via WiFi, without loss of data or setting,
accepts HTML commands from the home automation software: current counter value, log history recovery in JSON format, clear current history, backup of current measures with reboot, …
modem sleep option allowed between measures…
connection to pulse sensor (open collector or dry contact): 3.3v/5mA, bounce filtering.

Http requests available (except from EXCLUDED_IPV4_FROM_TUNE):

`http://IPAddress`	WEB User Interface
`http://IPAddress/getCurrentIndex`	current counter value
`http://IPAddress/getData`	data file - all measures saved [Unix date, counter index]
`http://IPAddress/getCurrentRecords`	not yet indexed measures (on NTP error)
`http://IPAddress/resetHistory`	current data file will be erased after DELETEDATAFILE_DELAY (ms)
`http://IPAddress/modemSleepAllowed`	UI available during AWAKETIME (s) before and after each hour (minimum power consumption)
`http://IPAddress/modemSleepDenied`	WiFi always connected and UI always available (maximum power consumption)
`http://IPAddress/restart`	save current measure and reboot

Magnetic sensor example : http://www.compteur-energie.com/eau-emetteurs-impulsions-sappel-izar-pulse-i.htm
ESP-WROOM-02 Mini WiFi Nodemcu Module with 18650 battery support (autonomy more than 10h in case of power failure), 1 x zener 3.3v, 1 x 360R, 1 x USB-A connector, 1 x 2 pins xh 2.54mm female connector :
Pulse counter:
Izar magnetic sensor: