Add VFD startup delay
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@ -19,6 +19,7 @@ void display_init() {
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DDRD |= _BV(PD0) | _BV(PD1) | _BV(PD5) | _BV(PD6) | _BV(PD7);
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display_wait_ready();
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_delay_ms(100);
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// initialize display: 8 bit, 2 lines, 50% brightness
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display_write_ir(0x3c);
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display_wait_ready();
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