chore: update readme with photos (#43)

* readme

* add images

* read

* reade

* update readme

Author: dido18

README.md

@@ -35,7 +35,7 @@ MAC of Robots (Maker Fair Rome 2024):
 - Davide robot: `74:4d:bd:a2:27:08`
 - Alessia robot:`dc:da:0c:22:eb:94`
 
-NOTE: the PATCH steps `2` and `3` are no more necessary when the [Arduino_AlvikCarrier](https://github.com/arduino-libraries/Arduino_AlvikCarrier) and the [Arduino-Alvik-mpy](https://github.com/arduino/arduino-alvik-mpy) are merged to master
+NOTE: the PATCH steps `2` and `3` are no more necessary when the [Arduino_AlvikCarrier](https://github.com/arduino-libraries/Arduino_AlvikCarrier) and the [Arduino-Alvik-mpy](https://github.com/arduino/arduino-alvik-mpy) are merged.
 
 #### Color calibration mode
 The robot exposes a `color calibration mode` that can be activated by pressing the `ok` button.
@@ -47,9 +47,7 @@ Steps to calibrate the robot
 1. Switch on the robot
 2. Press the `ok` button to enter into the `calibration mode`. The mode has the following light codes
    - WHITE leds countdown: indicate that the robot must be put on WHITE color. At the end of the countdown, the robot calibrates the WHITE color.
-   - GREEN leds for 2 seconds: white calibration terminated
    - BLUE leds countdown: indicate that the robot must be put on BLACK color. At the end of the countdown, the robot calibrates the BLACK color
-   - GREEN leds for 2 seconds: black calibration terminated.
    - the robot automatically reset itself.
 
 ### Configure the controller
@@ -58,13 +56,18 @@ Steps to calibrate the robot
    - Download the [Micropython Installer](https://labs.arduino.cc/en/labs/micropython-installer)
    - Open the installer and clik  `Install Micropython` button
 4. `make controller-install` to install libraries into the controller
-5. `make controller-upload robot-mac=<PUT_THE_ALVIK_MAC_HERE>` to upload the code and setting the MAC address obtained with the `make robot-get-mac` (robot Step 5).
+5. `make controller-upload robot-mac=<PUT_THE_ALVIK_MAC_HERE>` to upload the code and setting the MAC address obtained with the `make robot-get-mac` (Step 7 of Configure the Alvik robot).
        Example: `make controller-upload robot-mac=74:4d:bd:a0:49:e8`
 
 ## Techninal info
 
 ###  Remote controller
-The remove controller is based on  `Arduino Nano ESP32` and two `Modulino`.
+The remove controller is based on  `Arduino Nano ESP32` and two `Modulino` (Pixels and Knob).
+
+<p align="center">
+  <img src="img/controller-exploded.jpeg" width="60%">
+</p>
+
 The remote control consists of the a 3D printed base [STL-file](cad/remote-control/remote-control.stl) and the following components:
 |   | Description | Amount / € |
 |---|---|:-:|
@@ -74,19 +77,24 @@ The remote control consists of the a 3D printed base [STL-file](cad/remote-contr
 | 2 | QWICC cables | Arduino |
 | 1 | [SparkFun Qwiic Shield for Arduino Nano](https://www.sparkfun.com/products/16789) | 2,48 € |
 | 8 | [M3 x 8 mm cutting screw](https://www.schraubenking.at/3-x-8mm-Flachrundkopfschraube-TX-fuer-Thermoplaste-P007210) | 1,20 € |
-| 1 | Small USB battery pack | ? |
+| 1 | [Small USB battery pack](https://www.amazon.it/alimentazione-rossetto-Portable-caricabatterie-cellulari/dp/B0BHZ6RY6C) | 10€ |
 | 1 | 3D printed body | |
 
+
+### Alvik robot
+
+
 <p align="center">
-  <img src="cad/remote-control/remote-control.jpg" width="60%">
+  <img src="img/robot-exploded.jpg" width="80%">
 </p>
 
-### Alvik robot
+
 The robot is an Alvik  requires the following components:
 |   | Description | Amount / € |
 |---|---|:-:|
 | 1 | [Arduino Alvik](https://www.arduino.cc/education/arduino-alvik/) | 158,60 € (Arduino) |
 | 1 | Modulino Pixel | Arduino |
+| 1 | QWICC cables   | Arduino |
 | 2 | Servo motor (180 degree) | ~8€ |
 | 2 | Lift arm scoop mount [CAD](cad/robot/lift-arm-scoop.stl) | @aentinger |
 | 2 | Lift arm servo mount [CAD](cad/robot/lift-arm-servo.stl) | @aentinger |
@@ -98,8 +106,3 @@ The robot is an Alvik  requires the following components:
 | 2 | Googly eyes | @aentinger |
 | 1 | Bumper sticker | @aentinger |
 | n | M3 metric and cutting screws | @aentinger |
-
-
-<p align="center">
-  <img src="img/robot.jpg" width="60%">
-</p>