From a56df061616410b49e5bc83a844d1867f398ae25 Mon Sep 17 00:00:00 2001
From: Philip Lampkin <plampkin@chem.wisc.edu>
Date: Sat, 24 Apr 2021 12:44:20 -0500
Subject: terminology updates

---
 .../arduino-uno-controller/controller.kicad_pcb    |  1 +
 .../arduino-uno-controller/controller.pro          | 33 +++++++++++++++++
 .../arduino-uno-controller/controller.sch          |  4 +++
 .../arduino-uno-controller/firmware/firmware.ino   | 41 ++++++++++++++++++++++
 4 files changed, 79 insertions(+)
 create mode 100644 digital-controller/arduino-uno-controller/controller.kicad_pcb
 create mode 100644 digital-controller/arduino-uno-controller/controller.pro
 create mode 100644 digital-controller/arduino-uno-controller/controller.sch
 create mode 100644 digital-controller/arduino-uno-controller/firmware/firmware.ino

(limited to 'digital-controller/arduino-uno-controller')

diff --git a/digital-controller/arduino-uno-controller/controller.kicad_pcb b/digital-controller/arduino-uno-controller/controller.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/digital-controller/arduino-uno-controller/controller.kicad_pcb
@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff --git a/digital-controller/arduino-uno-controller/controller.pro b/digital-controller/arduino-uno-controller/controller.pro
new file mode 100644
index 0000000..152769c
--- /dev/null
+++ b/digital-controller/arduino-uno-controller/controller.pro
@@ -0,0 +1,33 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
diff --git a/digital-controller/arduino-uno-controller/controller.sch b/digital-controller/arduino-uno-controller/controller.sch
new file mode 100644
index 0000000..fff8c68
--- /dev/null
+++ b/digital-controller/arduino-uno-controller/controller.sch
@@ -0,0 +1,4 @@
+EESchema Schematic File Version 2
+EELAYER 25 0
+EELAYER END
+$EndSCHEMATC
diff --git a/digital-controller/arduino-uno-controller/firmware/firmware.ino b/digital-controller/arduino-uno-controller/firmware/firmware.ino
new file mode 100644
index 0000000..e87db8d
--- /dev/null
+++ b/digital-controller/arduino-uno-controller/firmware/firmware.ino
@@ -0,0 +1,41 @@
+#include <Wire.h>
+
+#define I2C_SLAVE_ADDR  0x26            // I2C slave address (38, 0x26)
+
+void setup()
+{
+  pinMode(A4, OUTPUT);
+  pinMode(A5, OUTPUT);
+  // init the Wire object
+  Wire.begin(); 
+  
+  // wait for slave to finish any init sequence
+  delay(2000);
+
+  Serial.begin(9600);
+}
+
+void loop()
+{
+  for( int a=10; a<=255; a++ ){
+  //generate buffer containing data to send via I2C
+  uint8_t buf[1];
+  buf[0] = 255-a;  // adjusting this byte changes fan speed. Can be adjusted from 0 to 256.
+  buf[1] = a;  // adjusting this byte changes LED intensity. Can be adjusted from 0 to 256. 
+  Serial.println(int(buf));
+
+  // send buffer 
+  Wire.beginTransmission(I2C_SLAVE_ADDR);
+  Wire.write(buf, 2);
+  Wire.endTransmission();
+  
+  // delay 20 milliseconds to accomodate slave onReceive()
+  delay(20);
+
+  /////////////////////// WHY DO I NEED THIS PART?//////////////////////////
+  Wire.requestFrom(I2C_SLAVE_ADDR, 1);
+  
+  // delay 1 second so user can watch results
+  delay(50);
+  }
+}
-- 
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