diff --git a/src/docs/devices/MQ-7/index.md b/src/docs/devices/MQ-7/index.md index 1afaad0e6..62516b8e9 100644 --- a/src/docs/devices/MQ-7/index.md +++ b/src/docs/devices/MQ-7/index.md @@ -12,7 +12,7 @@ The MQ-7 sensor can be used for detecting carbon monoxide (CO) gas. This is done ## Heater Mod -This will remove the digital output of the sensor and replace it with a digital input to control the heater of the MQ-7 +This will remove the digital output of the sensor and replace it with a digital input to control the heater of the MQ-7. There is also an OSS PCB design available under https://github.com/fablab-paderborn/mq7-adapter-board, which has the same circuit as the module after the heater mod. ### What you need