Fix circuit pins

Author: Hannes7eicher

content/micropython-course/course/04.digital/03.digital.md

@@ -30,15 +30,15 @@ For the LED, we can do sort of the reverse: we can write a HIGH / LOW state to i
 
 In this exercise, we will read a button, which we will need to connect to our Nano ESP32 board, following the circuit diagram below:
 
-![Button Circuit.](assets/button.png)
+![Button Circuit.](assets/circuitButton.png)
 
 Open the code editor, and copy paste the following script to the `main.py` file, then click on the **"Run"** button to run it.
 
 ```python
 from machine import Pin
 import time
 
-button = Pin(5, Pin.IN, Pin.PULL_UP)
+button = Pin(9, Pin.IN, Pin.PULL_UP)
 
 while True:
     print(button.value())
@@ -57,7 +57,7 @@ We have now successfully read the state of a button, one of the world's most com
 
 In the next exercise, we will turn on an LED, which we will need to connect to our Nano ESP32 board, following the circuit diagram below:
 
-![LED circuit.](assets/led.png)
+![LED circuit.](assets/circuitLED.png)
 
 Open the code editor, and copy paste the following script to the `main.py` file, then click on the **"Run"** button to run it.
 

content/micropython-course/course/04.digital/assets/button.png

@@ -75,7 +75,7 @@ In the next exercise, we will add an LED to our circuit, which we will control w
 
 Follow the circuit diagram below to add the LED to the circuit.
 
-![LED + pot circuit](assets/potledcircuit.png)
+![LED + pot circuit](assets/circuitPotLed.png)
 
 Open the code editor, and copy paste the following script to the `main.py` file, then click on the **Run"** button to run it.
 

content/micropython-course/course/04.digital/assets/circuitButton.png

@@ -0,0 +1,2 @@
+[LocalizedFileNames]
+circuitPotLed.png=@circuitPotLed,0

content/micropython-course/course/04.digital/assets/circuitLED.png

@@ -69,7 +69,7 @@ from machine import Pin
 from time import sleep     
 
 # Create a Pin object for pin 5 as an input with a pull-up resistor
-button = Pin(5, Pin.IN, Pin.PULL_UP)   
+button = Pin(9, Pin.IN, Pin.PULL_UP)   
 
 # Start an infinite loop
 while True:
@@ -107,7 +107,7 @@ from machine import Pin
 from time import sleep     
 
 # Create a Pin object for pin 5 as an output
-led = Pin(5, Pin.OUT)    
+led = Pin(9, Pin.OUT)    
 
 # Start an infinite loop
 while True:    
@@ -144,7 +144,7 @@ from machine import Pin, PWM
 import time                    
 
 # Create a PWM object named 'servo' on pin 5 configured as an output
-servo = PWM(Pin(5, mode=Pin.OUT))    
+servo = PWM(Pin(9, mode=Pin.OUT))    
 # Set the frequency of the PWM signal to 50Hz
 servo.freq(50)                      
 
@@ -185,7 +185,7 @@ import neopixel
 # Set the number of pixel on the RGB strip
 PIXEL_NUMBER = 10
 # Create a NeoPixel object with 24 pixels connected to pin 21
-np = neopixel.NeoPixel(Pin(21), PIXEL_NUMBER)   
+np = neopixel.NeoPixel(Pin(9), PIXEL_NUMBER)   
 
 # Define colors
 purple = (200, 0, 200)
@@ -253,7 +253,7 @@ from machine import Pin
 from time import sleep_ms
 
 # Define sensor pin
-SENSOR_PIN = 5
+SENSOR_PIN = 9
 
 # Create a DHT11 object with the specified pin number
 TEMP_SENSOR = dht.DHT11(Pin(SENSOR_PIN))  
@@ -355,7 +355,7 @@ from machine import Pin, PWM
 import time
 
 # Pin connected to the Grove Speaker
-SPEAKER_PIN = 5
+SPEAKER_PIN = 9
 
 # Frequency and duration of the sound
 FREQUENCY = 220  # Hz
@@ -397,7 +397,7 @@ import lis3dh, time, math
 # Import Pin and SoftI2C class from the machine module
 from machine import Pin, SoftI2C
 
-i2c = SoftI2C(sda=Pin(11), scl=Pin(12)) # I2C
+i2c = SoftI2C(scl=Pin(12), sda=Pin(11)) # I2C
 imu = lis3dh.LIS3DH_I2C(i2c, address=0x19)
 
 last_convert_time = 0
@@ -465,7 +465,7 @@ from machine import Pin, ADC
 import time
 
 # Create an ADC object and associate it with pin 5
-pin_adc = ADC(Pin(5))      
+pin_adc = ADC(Pin(9))      
 # Set the attenuation level to 11dB, which allows for a wider input voltage range
 pin_adc.atten(ADC.ATTN_11DB)   
 
@@ -512,7 +512,7 @@ from machine import Pin
 from time import sleep
 import tm1637
 
-tm = tm1637.TM1637(clk=Pin(10), dio=Pin(11))
+tm = tm1637.TM1637(clk=Pin(12), dio=Pin(11))
 
 tm.write([63, 191, 63, 63])  # Write a specific pattern of segments to the TM1637 display
 sleep(1)