Update README.md

README.md

@@ -98,7 +98,7 @@ Students will become experienced with languages dedicated to digital audio proce
   * ComProg: navigation algorithms, complexity evaluation, programming
   * T3E: analysis of environmental, social and ethical dimensions, suggestions of improvement, evaluation plans...
 - Competition: Finish the course in as little time as possible and with as few mistakes as possible (hitting an obstacle corresponds to a penalty).
-- Target platform: Raspberry Pi 4, camera, stereo headphones
+- Target platform: Raspberry Pi 4, camera, stereo headphones, battery
 - Programming language(s): Simulink, MATLAB
 
 ### Audio and visual art