TRANSFORMATEUR-ADAPTATEUR 9V-2A JACK 5.5 de haute qualité Controleur_Temperature_Humidité will facilitate you to connect

will facilitate you to connect all the versions of ESP8266 NodeMcu

avec fil conducteur

1 single module can drive a common cathode 8 * 8 dot matrix

support for cascading multiple modules

The DC/DC buck module applications the input voltage is higher than the output voltage of the buck field

TRANSFORMATEUR-ADAPTATEUR 9V-2A JACK 5.5 de haute qualité Controleur_Temperature_Humidité will facilitate you to connectNEW Full Amperes DC Power Adapter Supply Charger Adapter 9V 2A US EU Plug * 100% Brand new 100V 240V AC to DC Power Adapter supply * Input: 100V~240V , 50~60Hz * Plug Specifications: EU Plug US plug * Power Supply with LED indicator * The adapters Connector: inside positive (+) . outside negative ( )