Month: November 2019

3DR radio

How to display received data using FPV Telemetry Radio Air module Ask Question Asked today Viewed 10 times 0 I am trying to set up the FPV telemetry radios (Air and Ground Module 433MHz). […]

MQ9 Learning Notes

8:20pm Fri. 11/1/2019 (1) MQ9 Learning Notes: (2) MQ9 Calibration and Test Notes: MQ9 Learning Notes V0.9 Question  How can Rpi read MQ9 Gas Sensor Data? Answer 1.  MQ9 module has two types of output: […]