From 0abc5629fcdbcaf8fc57dec4f64b28bea5c8c55a Mon Sep 17 00:00:00 2001
From: Mark Polyakov <mark@markasoftware.com>
Date: Sat, 29 May 2021 00:04:15 -0700
Subject: [PATCH] correct math.h header and specify wificlient as per new http
 library requirement

---
 AirGradient.cpp                                        | 2 +-
 examples/C02_PM_SHT_OLED_WIFI/C02_PM_SHT_OLED_WIFI.ino | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/AirGradient.cpp b/AirGradient.cpp
index 94ad002..ac6232e 100644
--- a/AirGradient.cpp
+++ b/AirGradient.cpp
@@ -11,7 +11,7 @@
 #include <SoftwareSerial.h>
 #include "Arduino.h"
 #include <Wire.h>
-#include <Math.h>
+#include <math.h>
 
 
 // Constructor /////////////////////////////////////////////////////////////////
diff --git a/examples/C02_PM_SHT_OLED_WIFI/C02_PM_SHT_OLED_WIFI.ino b/examples/C02_PM_SHT_OLED_WIFI/C02_PM_SHT_OLED_WIFI.ino
index 71cfdf2..f2e5b9d 100644
--- a/examples/C02_PM_SHT_OLED_WIFI/C02_PM_SHT_OLED_WIFI.ino
+++ b/examples/C02_PM_SHT_OLED_WIFI/C02_PM_SHT_OLED_WIFI.ino
@@ -37,6 +37,8 @@ AirGradient ag = AirGradient();
 
 SSD1306Wire display(0x3c, SDA, SCL);
 
+WiFiClient client;
+
 // set sensors that you do not use to false
 boolean hasPM=true;
 boolean hasCO2=true;
@@ -100,7 +102,7 @@ void loop(){
   String POSTURL = APIROOT + "sensors/airgradient:" + String(ESP.getChipId(),HEX) + "/measures";
   Serial.println(POSTURL);
   HTTPClient http;
-  http.begin(POSTURL);
+  http.begin(client, POSTURL);
   http.addHeader("content-type", "application/json");
   int httpCode = http.POST(payload);
   String response = http.getString();