From a7cbfa5b401a3f1925ceaf93bf71d60b24c48424 Mon Sep 17 00:00:00 2001
From: Petr Baudis <pasky@ucw.cz>
Date: Tue, 18 Oct 2011 20:51:25 +0200
Subject: [PATCH] Sketch: Fix card number output

---
 brmdoor/brmdoor.pde | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/brmdoor/brmdoor.pde b/brmdoor/brmdoor.pde
index 774eef6..f509763 100644
--- a/brmdoor/brmdoor.pde
+++ b/brmdoor/brmdoor.pde
@@ -142,7 +142,7 @@ void readCard()
     if (!known) {
       comSerial.write("CARD UNKNOWN ");
       for (int i = 0; i < 7; ++i) {
-        if (buf[i+3] < 0xF) comSerial.write("0");
+        if (buf[i+3] <= 0xF) comSerial.write("0");
         comSerial.print(buf[i+3], HEX);
       }
       comSerial.write("\n");