Girgitt · November 14, 2017 10:27
diff --git a/arduino_compose_str_with_value.cpp b/arduino_compose_str_with_value.cpp
 float v_s_r = analogRead(SUPP_VOLTAGE_PIN);
 float supp_voltage = (5.0 / 1024) * v_s_r * 3.0;

 String v_s = "supp_v:";
 v_s.concat(supp_voltage);

 int v_s_str_len = v_s.length() + 1;  //we need extra space for the null terminator thus len += 1
 char v_s_send[v_s_str_len];
 v_s.toCharArray(v_s_send, v_s_str_len);

 bus.send(200, v_s_send, v_s_str_len - 1); // we don't want to send out the null terminator thus len -= 1
	float v_s_r = analogRead(SUPP_VOLTAGE_PIN);
	float supp_voltage = (5.0 / 1024) * v_s_r * 3.0;

	String v_s = "supp_v:";
	v_s.concat(supp_voltage);

	int v_s_str_len = v_s.length() + 1; //we need extra space for the null terminator thus len += 1
	char v_s_send[v_s_str_len];
	v_s.toCharArray(v_s_send, v_s_str_len);

	bus.send(200, v_s_send, v_s_str_len - 1); // we don't want to send out the null terminator thus len -= 1