Any I2C Sensor
We’ve provided a header which will allow you to connect any other I2C
sensor or device you may think useful to the board. In fact, the pinout of this
header is such that many SparkFun I2C boards can be directly attached
without any wire order change at all!
Hardware Assembly
As previously mentioned, it’s a good idea to use headers (both male and
female) to connect the two boards. Here we’ll show you a bomb-proof
method to solder down the headers and making sure that they’re true and
square so it’s easier to connect (and disconnect) the two boards.
Trim the Headers
When you purchase male and female headers, they’ll be too long for the
ESP32 Thing and Environment Sensor Shield. You’ll need to trim them
down to an appropriate length. This means 20 pins each.
For the male headers, this is relatively easy–they’re designed to be trimmed
or snapped to length. They come in 40-position pieces, so you’ll only need
to order one and then snap it in half.
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