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Add soldering requirements

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Pim van Pelt
2017-11-28 01:15:00 +01:00
parent 6d3b693850
commit fac8d3b593
1 changed files with 10 additions and 2 deletions
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README.md
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@@ -23,7 +23,7 @@ a great platform to showcase the power of Mongoose OS.
### Hardware: Observations
The Huzzah32 uses its SPI bus to communicate with the touch sensor and the
TFT screen. It's `MOSI`, `MISO` and `SCLK` pins are shared with the other
TFT screen. Its `MOSI`, `MISO` and `SCLK` pins are shared with the other
devices, and it selects which slave device to communicate with by means of
three `CS` pins.
@@ -44,7 +44,15 @@ Peculiarities of the hardware setup:
is connected to USB. Adafruit have helpfully connected the battery
output to an ADC pin (A13 / GPIO35) using a 1:1 voltage divider (so a
full LiPo battery at 4.2V will read out at 2.1V on the ADC channel.
#### Soldering Requirements
The `LITE` and `IRQ` pads on the TFT Featherwing have to be soldered to
connect them to the Huzzah32:
* Solder the `IRQ` pad to pin 23.
* Solder the `LITE` pad to pin 22.
### General Design
To showcase the idiomatic use of Mongoose OS, we will to do the following: