Donate to support Open HardwareThe board detects a liquid it wakes up ESP8266, starts beeping, connects to a WiFi and send a MQTT message to a given server. It can be paired e.g. with Home Assistant to push a mobile notification. See a short demo.
Technical details
- dimensions 10x10cm
- power by 2xAA batteries via a boost converter
- current consumption in standby 30~40uA
- 2 water sensing loops (top & bottom)
Firmware & KiCad files
| Name | Size | # Downloads |
|---|---|---|
| License.txt | 18.21 kB | 37 |
| leaky-B_Cu.gbr | 81.52 kB | 38 |
| leaky-B_Mask.gbr | 2.03 kB | 42 |
| leaky-B_Paste.gbr | 471 B | 41 |
| leaky-B_SilkS.gbr | 472 B | 39 |
| leaky-Edge_Cuts.gbr | 1.26 kB | 41 |
| leaky-F_Cu.gbr | 125.69 kB | 40 |
| leaky-F_Mask.gbr | 10.15 kB | 38 |
| leaky-F_Paste.gbr | 8.12 kB | 42 |
| leaky-F_SilkS.gbr | 88.21 kB | 47 |
| leaky-NPTH.drl | 365 B | 40 |
| leaky-PTH.drl | 1.89 kB | 41 |
| leaky-job.gbrjob | 2.61 kB | 43 |
| schematic.pdf | 77.09 kB | 100 |