VFD from the daughter board and if you could how would you set the baud rate ? Well it seems you have identified the serial comm signal, power & ground, but the question is can you separate the Of course, the high voltage circuitry is also on the back of the VFD. I don’t know if there is any on-glass circuitry. There are only two chips on the back of the VFD. Is there a library to use this display with an arduino? I would like to use the bare VFD without the daughter board. I don't know if there is any on-glass circuitry. Pin 11 = DS1232 pin 6 (/RST) - This must keep the display in reset until the external uC is ready. Tracing back from this connector to the other components, I get the following connections: On the daughter board is a Winbond W78C32B uC, a 93c06 serial EEPROM, a 6264 SRAM, an EPROM, a DS1232 Micromonitor and a few TTL chips. The parallel data is a pass-through with one cable in and one cable out. The daughter board takes input from what appears to be a standard parallel printer port. The display is part of a POS customer display. I have done extensive Googling and don't find anything on this model. Also silkscreened on the edge is "202MD8BF". On the back, under the name is the model number "NA202MD08BC".
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