Add docs and methods to raise up and lower down

README.org

@@ -15,7 +15,7 @@ picocom /dev/ttyUSB0 -b115200
 ampy --port /dev/ttyUSB0 put hcsr04.py
 #+END_SRC
 
-* Small card
+* How to connect things
 ** Distance measuring
 *** HCSR04 Pins
 | Pin on component | Pin on card |
@@ -46,3 +46,12 @@ import main
 
 main.movement()
 #+end_src
+
+** Relay
+*** Pins
+| Pin on component | Pin on card |
+|------------------+-------------|
+| Vcc              | 5V          |
+| Gnd              | GND         |
+| In1              | D2          |
+| In2              | D3          |

code/main.py

@@ -1,4 +1,4 @@
-from pinouts import Wemos as pins
+from pinouts import NodeMCU as pins
 from hcsr04 import HCSR04
 import time
 import machine
@@ -26,3 +26,15 @@ def movement():
     while True:
         print(sensor.value())
         time.sleep(0.5)
+
+
+def toggleRaiseUp():
+    relayUp = machine.Pin(pins.D2, mode=machine.Pin.OUT)
+
+    relayUp.value(not relayUp.value())
+
+
+def toggleLowerDown():
+    relayDown = machine.Pin(pins.D3, mode=machine.Pin.OUT)
+
+    relayDown.value(not relayDown.value())