MQ-4 Methane Pixhawk 4 - 5 1 DOF DYNAMIXEL ETH WIZ click QTRX-HD-11A 12-Channel PAC1921 click DHT22 2 click BroadR-Reach Industrial Ettus USRP B200 Voltmeter click 2GB industrial General Driver Pololu Analog H-Flow Optical Cmod S7 Google Coral Seeeduino Cloud Pololu A4988 Direct Wired AC Current Polymer Folding LoCoBot WX250 mikroPascal PRO Wireless LLC-I2C Click Accel 7 click UPS click Methane CH4 and Brushless 3 NFC click LLC SPI Click LoPy4 Joint-S Pololu 5V 5A Google Coral 5 1 DOF Kria KR260 FPX330-H101 CT220BMV-HS5 CT220RMV-HS5 172 1 Metal EERAM 3.3V