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When the WIFI module and cell phone carrying on the router at the same time the signal transmission distance depends on the router signal
Low Current Consumption
It is an ideal solution for IoT application
Advanced Flame Sensor 5-channel flame fire sensor module with wide detection range
Width: 18 mm
Line Follower Tracking Module 3 Channels 4988 When the WIFI module andIntroduction: Line Follower Tracking Module 3 Channels This module uses Infrared to detect the line so it has anti interference ability, visible light will not interfere its operation. The TCRT5000 is a reflective sensor which include an infrared emitter and phototransistor in a leaded package which blocks visible light. It has indicator LEDs on it, when tracing sensor senses a key signal, LED lights, otherwise off. Features: High sensitivity Stable