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In StockDHT22 Temp & Humidity
SNS-DHT22 · Stock: 130
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₹497
₹705
incl. GST
[Arduino] [ESP32] [Raspberry Pi]
The DHT22 (AM2302) provides calibrated digital output for temperature (?40 to 80°C) and relative humidity (0–100%). Single-wire protocol, low power — ideal for environmental IoT nodes.
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Digital temperature & humidity — ±0.5°C accuracy
High-res visual shown left · QA bench-tested before dispatch.
| Operating Voltage | 3.3-5.5V |
|---|---|
| Temp Range | -40 to 80°C |
| Humidity Range | 0-100% RH |
| Accuracy | ±0.5°C / ±2% RH |
| Protocols | 1-Wire Digital |
| Sample Rate | 0.5Hz |
| Dimensions | 15 × 25 × 8 mm |
| Weight | 2.5g |
VCC
3.3-5V
GND
GND
DATA
GPIO
NC
—
Wiring guide: power rails first (VCC/GND), then bus (I2C/SPI), then interrupt/PWM lines.
#include <DHT.h>
#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
dht.begin();
}
void loop() {
float h = dht.readHumidity();
float t = dht.readTemperature();
Serial.printf("Temp: %.1f°C Hum: %.1f%%\n", t, h);
delay(2000);
}
import Adafruit_DHT
import time
sensor = Adafruit_DHT.DHT22
pin = 4
while True:
h, t = Adafruit_DHT.read_retry(sensor, pin)
if h is not None:
print(f'Temp={t:.1f}C Hum={h:.1f}%')
time.sleep(2)
#include <DHT.h>
#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
dht.begin();
}
void loop() {
float h = dht.readHumidity();
float t = dht.readTemperature();
Serial.printf("Temp: %.1f°C Hum: %.1f%%\n", t, h);
delay(2000);
}
Technical datasheet for SNS-DHT22.
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