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특징
- 저전력으로 사용 가능한 아날로그 출력의 온·습도 센서 모듈입니다.
- 2.54mm의 작은 헤더 핀이 부착되어 공간이 제한된 애플리케이션에도 설치가 용이합니다.
- 안정성 및 향상된 정확도 사양, 향상된 신호 처리
어플리케이션
- 기상 관측
- 데이터로거
- 가전제품
- 냉난방 공조 시스템
- 자동차습도계
- 의료자동화기기
제품 사양
항목 | 내용 |
측정 범위 | 온도: -40~ 125℃<br><br>습도: 0~100%RH |
습도 정확성(@ 25°C) | 10 to 90%RH : ±3.0%RH<br><br>< 10 , 90%RH > : 4.5%RH |
온도 정확성 | 10 to 55°C: ±0.3°C<br><br>< 10, 55°C> :±1.3°C |
전원 전압 | 최소:2.4V 평균:3.3V 최대:5.5V |
소모 전류 | 평균: 217㎂ |
보관 온도 | -40 ~ 150°C |
응답 시간 | 17.3msec < 온 습도 |
센서 치수 | L x W x H(16.5mm x 11mm x 3.8mm) |
헤더 핀 | 2.54mm |
제품 크기 및 핀 특성
![notion image](https://inblog.ai/_next/image?url=https%3A%2F%2Fwww.notion.so%2Fimage%2Fhttps%253A%252F%252Fprod-files-secure.s3.us-west-2.amazonaws.com%252F89917f5a-4e07-4d31-9f02-aa72f79c2cdc%252F76e462fa-f545-43fa-995f-d2ec6fda11bf%252FUntitled.png%3Ftable%3Dblock%26id%3Db098af10-00e4-410d-a820-f50a264e20b8%26cache%3Dv2&w=3840&q=75)
![notion image](https://inblog.ai/_next/image?url=https%3A%2F%2Fwww.notion.so%2Fimage%2Fhttps%253A%252F%252Fprod-files-secure.s3.us-west-2.amazonaws.com%252F89917f5a-4e07-4d31-9f02-aa72f79c2cdc%252F90c71119-eb73-4265-96a7-3ed25a62c87d%252FUntitled.png%3Ftable%3Dblock%26id%3D96f3eb15-617a-42fc-8115-75e49ac27d21%26cache%3Dv2&w=3840&q=75)
![notion image](https://inblog.ai/_next/image?url=https%3A%2F%2Fwww.notion.so%2Fimage%2Fhttps%253A%252F%252Fprod-files-secure.s3.us-west-2.amazonaws.com%252F89917f5a-4e07-4d31-9f02-aa72f79c2cdc%252F10f02b05-dc4b-482a-a9f5-e2895e0e8b06%252FUntitled.png%3Ftable%3Dblock%26id%3Dcca4b9a8-2069-41fd-8430-dfb7aa606159%26cache%3Dv2&w=3840&q=75)
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출력 값 계산 식
- Relative Humidity Output
RH[%] = -10/0.8 + 100/0.8 x VRH/VDD RH : Relative Humidity(%) VRH : Relative Humidity
Voltage Out VDD : Supply Voltage
- Temperature Output
T[°C] = -45 - 17.5/0.8 + 175/0.8 x VT/VDD T : Temperature(°C) VT : Temperature Voltage Output
VDD : Supply Voltage
아두이노 연동 예제 코드
아두이노 연결
![notion image](https://inblog.ai/_next/image?url=https%3A%2F%2Fwww.notion.so%2Fimage%2Fhttps%253A%252F%252Fprod-files-secure.s3.us-west-2.amazonaws.com%252F89917f5a-4e07-4d31-9f02-aa72f79c2cdc%252F70553450-03f3-4497-b3af-b5b01126d5e6%252FUntitled.png%3Ftable%3Dblock%26id%3Df43b42a7-3736-415d-9336-7cfb09f57ebd%26cache%3Dv2&w=3840&q=75)
소스 코드(10bit adc)
void setup() { Serial.begin(9600); } void loop() { float T = analogRead(A0); float H = analogRead(A1); Serial.print("T: "); Serial.print( -66.875 + 218.75 * T / 1024); Serial.print("\tH: "); Serial.println( -12.5 + 125 * H / 1024); delay(1000); }
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