Index: apps/plugins/resistor.c
===================================================================
--- apps/plugins/resistor.c	(revisione 28380)
+++ apps/plugins/resistor.c	(copia locale)
@@ -69,6 +69,16 @@
 
 #endif /* USE_TEXT_ONLY */
 
+/*
+   After the resistor is drawn, the plugin pauses for this number of msecs to
+   give some time to the user to depress the last key pressed (e.g. still from
+   last input) and clear the input.
+   Without this, at least on FuzeV1, the resistor disappears immediately if 
+   there's just been a keypad input (=> LED resistor calculator). The default I
+   set is 200 msec, I suspect that less can still be effective, but who cares.
+*/
+#define SLEEP_AFTER_DRAWING_MSEC   200
+
 enum color {
     RES_BLACK,
     RES_BROWN,
@@ -760,6 +770,8 @@
 
         rb->lcd_update();
         
+        rb->sleep(SLEEP_AFTER_DRAWING_MSEC);
+        rb->button_clear_queue();
         button_press = rb->button_get(true);
         switch(button_press) {
             case PLA_SELECT:
@@ -898,6 +910,8 @@
         rb->lcd_puts_scroll(r_to_c_out_str_x, lineno++, out_str);
         rb->lcd_update();
         
+        rb->sleep(SLEEP_AFTER_DRAWING_MSEC);
+        rb->button_clear_queue();
         button_press = rb->button_get(true);
         switch(button_press) {
             case PLA_SELECT:
@@ -948,7 +962,6 @@
         total_resistance_centiunits = calculate_resistance(first_band, 
                                                            second_band,
                                                            third_band);
-
         rb->lcd_clear_display();
         lineno = INITIAL_TEXT_Y;
 #ifndef USE_TEXT_ONLY
@@ -976,7 +989,9 @@
         rb->lcd_puts_scroll(tolerance_str_x, lineno++,
                             get_tolerance_str(fourth_band));
         rb->lcd_update();
-                    
+
+        rb->sleep(SLEEP_AFTER_DRAWING_MSEC);
+        rb->button_clear_queue();                    
         button_input = rb->button_get(true);
         switch(button_input) {
             case PLA_RIGHT: