4Pin LDR Module – Optical Sensitive Resistance Light Detection Sensor Module

GY-273 Triple-Axis Magnetometer Compass Module HMC5883L. An electronic module identified by its model and function.

A load-cell weight sensor with a 20 kg measurement capacity.

• Working voltage 5V
• Output format: Digital switching output (0 and 1), and analog voltage output AO
• Potentiometer adjust the sensitivity
• Uses a wide voltage LM393 comparator
• Comparator output signal clean waveform is good, driving ability, over 15mA
• Anti-oxidation, anti-conductivity, with long use time
• With bolt holes for easy installation
• Small board PCB size: 3.2cm x 1.4cm

Motor Speed Encoder Sensor Module

• VCC Connect the positive 3.3 5 V power supply
• GND Connect power negative
• DO TTL switch signal output
• AO This module does not work