You are reading a single comment by @allObjects and its replies. Click here to read the full conversation.
  • Anything with a Pink mark is used for other functionality and can't be used.

    Espruino Wifi PINOUT Documentation states as first line:

    Purple boxes show pins that are used for other functionality on the board. You should avoid using these unless you know that the marked device is not used.

    ...and these pins are listed in the PINS NOT ON CONNECTORS.

    In other words, pins that are not on connectors of the board should not be used (in the code).

    Purple/Pink... mileage varies with color calibration of the display... :)

    A subject oriented comment:

    With a 0..240 Ohm sensor and a current limiting resistor of 20 Ohm, a lot of power / current is used for just one sensor: 165mA... if yo have many of those, you might consider a separate 3.3V supply to not make the board to brown out... Last but not least when running of a regular USB, which supplies only 500mA... and ESP8266 is already consuming a lot of that... (at least during transmitter calibration phase(s)). Depending on the length of the line and the environmental noise, going for a 240 (270) Ohm resistor gives you still an 'incredible' resolution. Regarding placement of the capacitor and 1 KOhm resistor: @Gordon, I assume it is 'board-side' of the wires.

About

Avatar for allObjects @allObjects started