├── .gitattributes
└── ESP32_Gemini
    └── ESP32_Gemini.ino


/.gitattributes:
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1 | # Auto detect text files and perform LF normalization
2 | * text=auto
3 | 


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/ESP32_Gemini/ESP32_Gemini.ino:
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  1 | 
  2 | 
  3 | #include <Arduino.h>
  4 | #include <WiFi.h>
  5 | #include <HTTPClient.h>
  6 | #include <ArduinoJson.h>
  7 | 
  8 | const char* ssid = "SSID";
  9 | const char* password = "PASS";
 10 | const char* Gemini_Token = "GEMINI_API_KEY";
 11 | const char* Gemini_Max_Tokens = "100";
 12 | String res = "";
 13 | 
 14 | 
 15 | void setup() {
 16 |   Serial.begin(115200);
 17 | 
 18 |   WiFi.mode(WIFI_STA);
 19 |   WiFi.disconnect();
 20 | 
 21 | 
 22 |   while (!Serial)
 23 |     ;
 24 | 
 25 | 
 26 |   // wait for WiFi connection
 27 |   WiFi.begin(ssid, password);
 28 |   Serial.print("Connecting to ");
 29 |   Serial.println(ssid);
 30 |   while (WiFi.status() != WL_CONNECTED) {
 31 |     delay(1000);
 32 |     Serial.print(".");
 33 |   }
 34 |   Serial.println("connected");
 35 |   Serial.print("IP address: ");
 36 |   Serial.println(WiFi.localIP());
 37 | }
 38 | 
 39 | void loop() 
 40 | {
 41 |   Serial.println("");
 42 |   Serial.println("Ask your Question : ");
 43 |   while (!Serial.available())
 44 |     ;
 45 |   while (Serial.available()) {
 46 |     char add = Serial.read();
 47 |     res = res + add;
 48 |     delay(1);
 49 |   }
 50 |   int len = res.length();
 51 |   res = res.substring(0, (len - 1));
 52 |   res = "\"" + res + "\"";
 53 |   Serial.println("");
 54 |   Serial.print("Asking Your Question : ");
 55 |   Serial.println(res);
 56 | 
 57 |   HTTPClient https;
 58 | 
 59 |   //Serial.print("[HTTPS] begin...\n");
 60 |   if (https.begin("https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-flash:generateContent?key=" + (String)Gemini_Token)) {  // HTTPS
 61 | 
 62 |     https.addHeader("Content-Type", "application/json");
 63 |     String payload = String("{\"contents\": [{\"parts\":[{\"text\":" + res + "}]}],\"generationConfig\": {\"maxOutputTokens\": " + (String)Gemini_Max_Tokens + "}}");
 64 | 
 65 |     //Serial.print("[HTTPS] GET...\n");
 66 | 
 67 |     // start connection and send HTTP header
 68 |     int httpCode = https.POST(payload);
 69 | 
 70 |     // httpCode will be negative on error
 71 |     // file found at server
 72 | 
 73 |     if (httpCode == HTTP_CODE_OK || httpCode == HTTP_CODE_MOVED_PERMANENTLY) {
 74 |       String payload = https.getString();
 75 |       //Serial.println(payload);
 76 | 
 77 |       DynamicJsonDocument doc(1024);
 78 | 
 79 | 
 80 |       deserializeJson(doc, payload);
 81 |       String Answer = doc["candidates"][0]["content"]["parts"][0]["text"];
 82 | 
 83 | 
 84 |       
 85 |       // For Filtering our Special Characters, WhiteSpaces and NewLine Characters
 86 |       Answer.trim();
 87 |       String filteredAnswer = "";
 88 |       for (size_t i = 0; i < Answer.length(); i++) {
 89 |         char c = Answer[i];
 90 |         if (isalnum(c) || isspace(c)) {
 91 |           filteredAnswer += c;
 92 |         } else {
 93 |           filteredAnswer += ' ';
 94 |         }
 95 |       }
 96 |       Answer = filteredAnswer;
 97 | 
 98 | 
 99 |       Serial.println("");
100 |       Serial.println("Here is your Answer: ");
101 |       Serial.println("");
102 |       Serial.println(Answer);
103 |     } else {
104 |       Serial.printf("[HTTPS] GET... failed, error: %s\n", https.errorToString(httpCode).c_str());
105 |     }
106 |     https.end();
107 |   } else {
108 |     Serial.printf("[HTTPS] Unable to connect\n");
109 |   }
110 |   res = "";
111 | }


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