Weike Electronics is a professional manufacturer and exporter that is concerned with the design, development production and marketing of arduino, 3d printers, raspberry pi and STM32. Our Dream is to make the best price and best quality produce for customers. So we would like to receive your valuable suggestions for our products and we can improve them for you.
Features: 1. Main chip: MQ-6 gas sensor 2. Dual signal output (TTL level output and analog output) 3. TTL output valid signal for low level. (when the low output electric signal lights at ordinary times, can be directly pick up SCM) 4. Analog 0 ~ 5V voltage, the higher the concentration, the higher the voltage 5. High sensitivity to hydrogen 6. Can be resistant to ethanol steam, LPG (petroleum), smoke interference 7. Has a long service life and reliable stability 8. Quick response recovery features 9. With a signal output instructions 10. Working voltage: DC5V 11. Size: 35 x 20mm