EC Buying 5Pcs MQ-8 Hydrogen Gas Sensor Module, H2 Detection Board with Analog and Digital Output, Adjustable Sensitivity 5V Compatible for arduino for Raspberry Pi MCU Projects
역대 최저
약 20,620원
$14.23
2026-06-10
역대 최고
약 22,050원
$15.22
2026-06-16
평균가
약 21,720원
$14.99
달러 가격을 현재 환율 $1 = ₩1,449 (2026-07-31 기준)로 환산한 원화입니다.
가격 변동 그래프
아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,449 (2026-07-31 기준)
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상품 특징
- This gas sensor module is based on the MQ-8 semiconductor sensing element and is designed to detect hydrogen (H2) concentration changes in the surrounding air. The sensor responds to variations in gas concentration by altering its internal resistance.
- Provides both analog output and digital threshold output for flexible system integration. The analog signal allows continuous monitoring of hydrogen concentration trends, while the digital output switches state when the preset threshold level is reached.
- Operates on a 5V DC power supply and includes a built-in heating element required for proper sensing performance. A preheating period is recommended to allow the sensing element to reach a stable operating condition before measurement.
- An onboard potentiometer allows adjustment of detection sensitivity for the digital output. Users can configure the trigger level based on environmental conditions and specific project requirements.
- Compact PCB design with clearly labeled VCC, GND, AO, and DO pins enables straightforward wiring to microcontrollers. Suitable for laboratory experiments, gas sensing research, and embedded system development applications.