29 Apr '17, 5pm

The Connected Calculator with ESP8266

The Connected Calculator with ESP8266

Calculator hacks have been around for a while now and we have seen the most action around the Texas Instruments TI-83 and TI-84. When [johnkimdinh] found a way to add an ESP8266 to a scientific calculator (machine translation ) and this time around it’s a Kenko FX-82M calculator which appears eerily similar to the Casio FX-82M. In his video, [johnkimdinh] demonstrates his hack which has a web interface for transmitting numbers to the calculator. This is accomplished by accessing the keypad using the ESP8266 GPIOs and it is essentially the equivalent of typing remotely. The rest of the circuit remains intact so bit more work and the other functions should be available remotely as well. Perhaps this hack is best suited as a dedicated display for outputting measurements and other data which requires some type of post-processing to be human readable. If the next iteration deli...

Full article: http://hackaday.com/2017/04/29/the-connected-calculator-w...

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