Comprehensive slave board designed as an extension to SBC (RPI or Radax board) in order to achieve control of 12 AC sprinkler valves. Water detection and temperature monitoring are implemented on slave board. For each load current consumption is measured
Requirements:
- BLE interface for device configuration
- BLE signal monitoring
- Inductive battery charging
- Audio signal for out of range indication
- Small and compact size
Major components:
- STM32F407
- ACS712, MOC3010 & BT139
- LM358, 74HC4067
- LM2596, TPS78633
Number of PCB layers : 4
Realization time: 8 weeks
BOM price: 177 USD
