The 433MHz water tank level transmitter circuit built on a breadboard: In the transmitter circuit, you can connect four float switches (connect the common wire to all float switches and then the data ...
This Seavon dehumidifier is extremely quiet, with a noise level around 35 decibels so it won’t disturb you ... It has a simple on/off toggle switch, and it can pull up to 10 ounces of water from the ...