AB073 3144 Hall Sensor Module LM393 Linear Hall Effect Features: - Working voltage: 3.3--5V - Using 3144E switch type Holzer sensor. - When the sensor sensor to the magnetic field, the digital output low, the signal light is bright - If no induction to the magnetic field, then the digital output high level, the signal light is not bright. - With power indicator and signal indicator. - Output mode: digital switching output (0 and 1) AO port is not valid - LM393 comparator output, model clean, good waveform, strong driving ability, more than 15mA. - Fixed bolt hole is provided, which is convenient for mounting and fixing. - Can be used for motor speed, position detection, etc..