diff --git a/2ano/2semestre/ac2/aula04/part2-6.c b/2ano/2semestre/ac2/aula04/part2-6.c
new file mode 100644
index 0000000..2bc2c90
--- /dev/null
+++ b/2ano/2semestre/ac2/aula04/part2-6.c
@@ -0,0 +1,25 @@
+#include <detpic32.h>
+
+const unsigned int dis7Scodes[] = {0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D,
+                                   0xFD, 0x07, 0x7F, 0x6F, 0x77, 0xFC,
+                                   0x39, 0x5E, 0xF9, 0xF1};
+
+void delay(unsigned int ms) {
+    resetCoreTimer();
+    while (readCoreTimer() < 20000 * ms);
+}
+
+int main() {
+    TRISB &= 0x80FF;
+    TRISB |= 0x000F;
+    TRISD &= 0xFF9F;
+
+    LATD = (LATD & 0xFF9F) | 0x0040;
+
+    while (1) {
+        char c = PORTB & 0x000F;
+        LATB = (LATB & 0x80FF) | dis7Scodes[c] << 8;
+    }
+
+    return 0;
+}