Embedded systems engineer with 12 years of experience in simulation and PCB design. Regular contributor to open-source hardware projects.
| Pin | Name | Function | |------|------|-----------| | 1 | VCC | +5V DC | | 2 | GND | Ground | | 3 | AOUT | Analog output (0–5V proportional to gas level) | | 4 | DOUT | Digital output (TTL, active low when gas threshold crossed) |
Embedded systems engineer with 12 years of experience in simulation and PCB design. Regular contributor to open-source hardware projects.
| Pin | Name | Function | |------|------|-----------| | 1 | VCC | +5V DC | | 2 | GND | Ground | | 3 | AOUT | Analog output (0–5V proportional to gas level) | | 4 | DOUT | Digital output (TTL, active low when gas threshold crossed) | mq135 gas sensor library for proteus download upd work
