diff --git a/main.c b/main.c
index 783edd8..d874879 100644
--- a/main.c
+++ b/main.c
@@ -44,6 +44,8 @@ static volatile uint32_t time_count = 0;
 
 // time after last shake to go to sleep, in seconds
 #define REST_TIME (5 * 60U)
+// period to send our color code, in seconds
+#define SHARE_TIME (1U)
 
 // time counts per us (1/(16E6/(3+1)) * 1000*1000 = 0.25 us)
 #define NEC_TICKS_PER_US 4UL
@@ -405,6 +407,10 @@ void main(void)
 			}
 			nec_flag = false; // clear flag
 		}
+		if (0 == time_count % (488UL * SHARE_TIME)) {
+			nec_transmit(0xfb047f80);
+			putc('t');
+		}
 		if (time_count > 488UL * REST_TIME) {
 			puts("rest\r\n");
 			time_count = 0; // reset counter