This circuit triggers a small water pump when the humidity detected by the sensor is reduced in a flower bed or potted plant. The circuit must use a source according to the driven water pump.
The figure shows how to use CMOS inverters as amplifiers. The circuit is from a Radio Electronics from...
The circuit in the figure is based on an LM101A; diodes can be replaced with equivalents. The...
August 2016 - It can be obtained from Mouser Electronics Mikromidia of the MikroElektronika...