The STC-1000 is a 110V~220V AC all-purpose temperature control controller with a built-in sensor and 2 relay outputs. This thermostat is designed to monitor and control temperatures in various environments, making it an ideal component for a wide range of IoT applications.
The STC-1000 temperature control controller is used to regulate temperature within a specified range. It continuously monitors the temperature through its built-in sensor and compares the reading to a user-setpoint. When the temperature deviates from the setpoint, the controller activates or deactivates the connected relays to control the flow of power to the connected devices.
10A/250V AC
20% to 80% RH
72mm x 35mm x 65mm (W x H x D)
approximately 150g
| The STC-1000 temperature control controller is suitable for a wide range of IoT applications, including |
HVAC systems
Industrial temperature control
Greenhouse automation
Refrigeration control
Medical equipment
Laboratory equipment
Food processing
Home automation
The STC-1000 must be installed in accordance with local electrical codes and regulations.
Ensure proper insulation and protection of the controller and connected devices from environmental factors.
Avoid exposing the controller to excessive temperatures, humidity, or physical stress.
By incorporating the STC-1000 temperature control controller into your IoT system, you can achieve precise temperature control, increased efficiency, and improved system reliability.
Component Documentation: 110V~220V AC All-Purpose Temperature Control Controller with Sensor 2 Relay Output Thermostat STC-1000OverviewThe STC-1000 is a temperature control controller designed for use in various IoT applications. It features a built-in temperature sensor, two relay outputs, and supports a wide range of input voltages (110V~220V AC). This component is ideal for controlling heating, ventilation, and air conditioning (HVAC) systems, refrigeration units, and other temperature-critical devices.Technical SpecificationsInput Voltage: 110V~220V AC
Temperature Range: -50C to 120C (-58F to 248F)
Temperature Accuracy: 1C (1.8F)
Relay Output: 2x SPDT (Single Pole Double Throw) relays, 10A @ 250V AC
Sensor Type: Built-in thermistor temperature sensor
Operating Frequency: 50/60 Hz
Dimensions: 73mm x 53mm x 33mm (2.87in x 2.09in x 1.3in)PinoutThe STC-1000 has the following pinout:VCC: 110V~220V AC input
GND: Ground
T1: Temperature sensor input
R1: Relay 1 output
R2: Relay 2 output
SET: Set button input
-/+: Display adjustment buttonsCode Examples### Example 1: Basic Temperature Control using ArduinoIn this example, we'll use an Arduino board to read the temperature from the STC-1000 and control two relays to turn on/off a heating element and a fan.
```c++
// Define pins for the STC-1000
const int tempPin = A0; // Temperature sensor input
const int relay1Pin = 2; // Relay 1 output
const int relay2Pin = 3; // Relay 2 outputvoid setup() {
// Initialize relay pins as outputs
pinMode(relay1Pin, OUTPUT);
pinMode(relay2Pin, OUTPUT);
}void loop() {
// Read temperature from STC-1000
int tempVal = analogRead(tempPin);
float temperature = (tempVal 5.0 / 1024.0) - 50.0; // Convert to Celsius// Set temperature thresholds
const float heatingThreshold = 20.0; // Turn on heating element below this temperature
const float coolingThreshold = 25.0; // Turn on fan above this temperature// Control relays based on temperature
if (temperature < heatingThreshold) {
digitalWrite(relay1Pin, HIGH); // Turn on heating element
digitalWrite(relay2Pin, LOW); // Turn off fan
} else if (temperature > coolingThreshold) {
digitalWrite(relay1Pin, LOW); // Turn off heating element
digitalWrite(relay2Pin, HIGH); // Turn on fan
} else {
digitalWrite(relay1Pin, LOW); // Turn off heating element
digitalWrite(relay2Pin, LOW); // Turn off fan
}
delay(1000); // Wait 1 second before reading temperature again
}
```
### Example 2: Home Automation using ESP32 and Wi-FiIn this example, we'll use an ESP32 board to connect the STC-1000 to a Wi-Fi network and control two relays remotely using a mobile app.
```c++
#include <WiFi.h>
#include <HTTPClient.h>// Define pins for the STC-1000
const int tempPin = 32; // Temperature sensor input
const int relay1Pin = 15; // Relay 1 output
const int relay2Pin = 2; // Relay 2 output// Wi-Fi credentials
const char ssid = "your_wifi_ssid";
const char password = "your_wifi_password";// Set up Wi-Fi client
WiFiClient client;
HTTPClient http;void setup() {
// Initialize relay pins as outputs
pinMode(relay1Pin, OUTPUT);
pinMode(relay2Pin, OUTPUT);// Connect to Wi-Fi
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi...");
}Serial.println("Connected to WiFi");
Serial.println("Initializing HTTP client...");
}void loop() {
// Read temperature from STC-1000
int tempVal = analogRead(tempPin);
float temperature = (tempVal 5.0 / 1024.0) - 50.0; // Convert to Celsius// Send temperature data to a remote server using HTTP
http.begin("http://your_server_ip/temperature");
http.addHeader("Content-Type", "application/json");
String temperatureData = "{""temperature"": " + String(temperature) + "}";
int httpResponseCode = http.POST(temperatureData);
http.end();// Control relays based on remote commands
if (httpResponseCode == 200) {
String responseBody = http.getString();
if (responseBody == "heating_on") {
digitalWrite(relay1Pin, HIGH); // Turn on heating element
} else if (responseBody == "cooling_on") {
digitalWrite(relay2Pin, HIGH); // Turn on fan
} else {
digitalWrite(relay1Pin, LOW); // Turn off heating element
digitalWrite(relay2Pin, LOW); // Turn off fan
}
}
delay(1000); // Wait 1 second before reading temperature again
}
```
These examples demonstrate how to use the STC-1000 in various contexts, including basic temperature control with Arduino and home automation with ESP32 and Wi-Fi.