Modifications

** Broche 15 du LCD (LED+).

** Broche 15 du LCD (LED+).

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* Connectez Pi ground to the ground rail of the breadboard. From the ground rail connect the other outer lead of the potentiometer, LCD pin 1 (VSS), and LCD pin 5 (R/W).

* Connectez la masse Pi (GND/Ground) sur le rail de masse/GND du breadboard.<br />Depuis le rail de masse connectez:

** Un fil sur une des broches du potentiomètre,  

** la broche 1 du LCD (VSS)

** et la broche 5 du LCD (R/W).

* Connectez the middle lead of the potentiometer to LCD pin 3 (V0/contrast).

* Connectez the middle lead of the potentiometer to LCD pin 3 (V0/contrast).

* Connectez Pi pin 27 (or 21 on older revision Pi's) to LCD pin 4 (RS).

* Connectez Pi pin 27 (or 21 on older revision Pi's) to LCD pin 4 (RS).