It has way more resolution than a black and white 128×64 display
This is a basic 16 x 2 (16 columns by 2 rows) on display
and the type and characteristics of fluid they control
5 V and 12 V
Reed sensor module, magnetic switch normally open solenoid It has way more resolutionPBX, photocopiers, washing machines, refrigerators, cameras, Xiaoduwangui, door, window magnetic, electromagnetic relays, electronic weighing, level meter, gas meter, water meter, etc. have been well used. Module Features : 1, imported normally open reed 2, the comparator output signal is clean, good waveform, driving ability, more than 15mA. 3, the working voltage of 3. 3V 5V 4, the output format: digital switching outputs ( 0 and 1 ) 5, a fixed bolt