added PWM and tmp workspace

motors/pwm/README.md

@@ -0,0 +1,5 @@
+# PWM 
+
+## Resources
+
+- [PWM L298N Article](https://howtomechatronics.com/tutorials/arduino/arduino-dc-motor-control-tutorial-l298n-pwm-h-bridge/)

motors/pwm/main.py

@@ -0,0 +1,24 @@
+from machine import Pin, PWM
+from time import sleep
+print("Clank controller coming online")
+
+# pwm0 = PWM(Pin(0))      # create PWM object from a pin
+# pwm0.freq()             # get current frequency
+# pwm0.freq(1000)         # set frequency
+# pwm0.duty()             # get current duty cycle
+# pwm0.duty(200)          # set duty cycle
+# pwm0.deinit()           # turn off PWM on the pin
+
+
+pwm12 = PWM(Pin(12), freq=1000, duty=0)
+pwm13 = PWM(Pin(13), freq=1000, duty=0)
+
+while True:
+    pwm12.duty(512)
+    sleep(2)
+    pwm12.duty(0)
+    sleep(.3)
+    pwm13.duty(512)
+    sleep(2)
+    pwm13.duty(0)
+    sleep(.3)

scripts/profile

@@ -5,12 +5,19 @@ ARG=$1
 
 if [ "$ARG" = '--kit' ] || [ "$ARG" = '-k' ]; then
   echo "Using ESP-WOVER-kit_v4.1"
-  export AMPY_PORT=/dev/cu.usbserial-143101
+#   export AMPY_PORT=/dev/cu.usbserial-143101
+  export AMPY_PORT=/dev/cu.usbserial-14401
 fi
 
+function _set_kit_usbserial (){
+
+}
+
 
 function repl_connect (){
 	echo "Connecting to $AMPY_PORT"
+	echo "Use Ctrl+a then k to kill the session"
+	sleep 2;
 	screen $AMPY_PORT $BAUD_RATE
 }
 

tmp/.gitignore

@@ -0,0 +1 @@
+*.py

tmp/README.md

@@ -0,0 +1,20 @@
+# Temporary workspace
+
+Content in this directory should never be uploaded to git.
+
+## Usage
+
+Use this space to pull down files and rapidly iterate on them
+
+Pull files:
+```
+source scripts/profile
+upy ls
+upy get <board_file> tmp/<file>
+``` 
+
+Upload files back
+```
+upy put tmp/<file> <board_file>
+
+```