Witura WT-9001 IP65 Dokumentacja Pobierz pdf (Strona 45)

compared with the price of designing a new power supply it is very cheap. There are

also many variations of these devices. The large values of capacitors are not only bulky,

but also expensive. Therefore other devices are available which use smaller capacitors

and even some with inbuilt capacitors. However the MAX-232 is the most common.

Figure 3.8 Circuit Diagram Max 232 Serial Level Converter

Figure 3.9 Max 232 Serial Level Converter

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Witura WT-9001 IP65 Dokumentacja Strona 45