Prevent shorting CE/RE after experiment/during init.

src/experiment.c

@@ -346,7 +346,7 @@ void pot_init(void){
 	#if BOARD_VER_MAJOR == 1 && BOARD_VER_MINOR == 2
 		ioport_set_port_dir(IOPORT_PORTB, PIN2_bm|PIN3_bm|PIN4_bm|PIN5_bm|PIN6_bm|PIN7_bm, IOPORT_DIR_OUTPUT);
 		ioport_set_port_dir(IOPORT_PORTD, PIN4_bm, IOPORT_DIR_OUTPUT);
-		ioport_set_port_level(IOPORT_PORTB, PIN2_bm|PIN3_bm|PIN4_bm|PIN5_bm|PIN6_bm|PIN7_bm, PIN3_bm|PIN6_bm|PIN7_bm);
+		ioport_set_port_level(IOPORT_PORTB, PIN2_bm|PIN3_bm|PIN4_bm|PIN5_bm|PIN6_bm|PIN7_bm, PIN6_bm|PIN7_bm);
 		ioport_set_port_level(IOPORT_PORTD, PIN4_bm, PIN4_bm);
 	#endif
 }
@@ -501,8 +501,6 @@ void volt_exp_stop(void){
     
     delay_ms(100);  // Make sure WE is last to disconnect
     ioport_set_pin_level(PIN_POT_WE, 0);
-    
-    ioport_set_pin_level(PIN_POT_2ELECTRODE, 1);
 }
 
 #if BOARD_VER_MAJOR == 1 && BOARD_VER_MINOR >= 2