Its been a while since my last update so here are all the things iv been working on.
- The Tick Tock Timer is now based on the ESP8266 MCU and ili9341 SPI. The original version was Atmega2560 and ili9325 8Bit. This was mainly due to the reliability and shortage of ili9341 screens as they have become discontinued. The switch to SPI was due to the ESP8266 being more suited to it. ALL usable pins on the ESP8266 12E are being used, I was lucky there was enough! The new board is undergoing a second revision as a few issues crept in due to the pin choices and strange behaviors of certain pins, mainly GPIO0 at boot time.
- The new version has PWM back light control which is great and now can be run from 7v > 18v instead of 6v > 9v
- First australian school will be installing the new timer next month. I will personally be installing and setting it up for them. All other installation are in USA/Canada (so far around 40 of them)
- I have almost completed the Manual! (thanks Mark T. for your amazing design work here) It folds up to the same size as the timer almost.
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