compose plotter data with printf() (not println())

1 files changed, 2 insertions, 1 deletions

diff --git a/vote/vote.ino b/vote/vote.ino
index caa4fbc..bce78ef 100644
--- a/vote/vote.ino
+++ b/vote/vote.ino
@@ -191,7 +191,8 @@ class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks {
       String id_mangled = advertisedDevice.getName();
       id_mangled.replace(' ', '_');
       id_mangled.replace(':', '=');
-      Serial.println(id_mangled + ":" + EddystoneTLM.getTemp());
+      Serial.printf("%s:%d\n",
+        id_mangled.c_str(), EddystoneTLM.getTemp());
 #endif
 
       unsigned long now = millis();