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Just used Xloader the windows front end for avrdude to upload the hex at 57600, no difference but thanks for the info. I should mention that I had no problem uploading the hex on the 5v mini pro via the brewpi script, its just the 3.3v one that don't seem to work.

I've been playing around with this for a few months now. I've got brewpi to run on uno's and 5v minipro's vi bluetooth and esp8266wifi. But I am having serious problems getting it to run on the 3.3v mini pro's. I purchased 2 from different sources to reduce the chance of hardware problems. I...

I hope this is of help. I used this firmware which is very basic when compared to esp-link. https://github.com/beckdac/ESP8266-transparent-bridge Hence my assumption that it is small enough for your module. I programmed the firmware in the windows environment. There are a host of programing...

35 years after burning my fingers with a soldering iron, I have finally been tempted back into the world of electronics and after reading through this thread and the other ones and ordering bits and bobs, it's all working. A sincere THANK YOU! to everyone who has contributed to this project...

Sorry to be a pain, but my lcd module says on the spec sheet that pin 15 is +5 volts via an integrated resistor. Hence in my case do I need these extra components? I don`t understand a great deal about electronics but am more than willing to learn. Am I right in thinking that the resistor is...

Sorry if this has been addressed previously. Could someone tell me what the 2 diodes and the resistor are for on the LCD backlight Anode, and if I can leave them out.