Source google image: https://i2.cdscdn.com/pdt2/0/2/1/1/700×700/auc3064489708021/rw/module-electro-aimant-magnet-arduino.jpg
Electro aimant panneau solaire
Source google image: https://i2.cdscdn.com/pdt2/0/2/1/1/700×700/auc3064489708021/rw/module-electro-aimant-magnet-arduino.jpg