ACEIRMC 9pcs/Lot Gas Detection Sensor Module MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Sensor Module Gas Sensor Starter Kit for Arduino Raspberry Pi (9PCS/Lot) Color:9PCS/Lot 11-Inch Stainless Steel Rivet Nut

11-Inch Stainless Steel Rivet Nut Round Head Steel Metal Sheet Mounting Hardware Fastener 100pcs

32 Jumper/Bridge: Press-fit/Insertion

aluminum and copper drain plug washers and more

load-bearing threads

The black oxide finish steel sheet metal screw with pan head and Phillips drive has a Type A point for forming threads in thin metals between 0

ACEIRMC 9pcs/Lot Gas Detection Sensor Module MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Sensor Module Gas Sensor Starter Kit for Arduino Raspberry Pi (9PCS/Lot) Color:9PCS/Lot 11-Inch Stainless Steel Rivet NutACEIRMC 9pcs Lot Gas Detection Sensor Module MQ 2 MQ 3 MQ 4 MQ 5 MQ 6 MQ 7 MQ 8 MQ 9 MQ 135 Sensor Module Gas Sensor Starter Kit for Arduino Raspberry Pi (9PCS Lot) Choosing Eiechip Feels Fantacy !!! 1. With signal output indicator light. 2. Size: 32mm X22mm X30mm length width height; 3. The main chip: LM393, MQ x gas sensing probe; 4. Working voltage: DC 5V; 5. With signal output indicator light; 6. The dual signal output (analog output and TTL