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Parameter Category
Item
Specification Details
Basic Information
Product Model
A032
Basic Information
Product Name
OH34N Hall Sensor Module (A032)
Basic Information
Product Weight
Cased weight: 10.5g; Bare PCB weight: 4g
Basic Parameters
PCB Outline Dimension
40.00mm × 24.00mm
Basic Parameters
Core Component
OH34N unipolar Hall-effect switch (N-pole trigger only)
Basic Parameters
Power Supply Voltage
3.3V~5V DC
Basic Parameters
Output Mode
Open-collector output (pull-up resistor required, onboard pull-up integrated on partial versions)
Basic Parameters
Interface Specification
PH2.0 3Pin socket
Pin Definition (3Pin)
VCC
Power positive pole, input 3.3V~5V
Pin Definition (3Pin)
GND
Power negative pole, share ground with MCU
Pin Definition (3Pin)
OUT
Signal output pin, level flips upon detecting N-pole magnetic field
Key Features
Non-contact Detection
No mechanical contact points, no abrasion, vibration resistance, long service life
Key Features
Digital Switch Output
Outputs low level near N-pole magnet; restores high level when magnetic field disappears
Key Features
Onboard Status Indication
Lit OUT lamp indicates magnetic field detection for intuitive debugging
Key Features
Wide Voltage Compatibility
Supports 3.3V/5V dual systems, directly compatible with Arduino, STM32 and other MCUs
Key Features
Friendly Installation
Fixed bolt holes reserved at four PCB corners for screw mounting to equipment racks and enclosures
Packaging Solution
Optional Packaging
① Anti-static bag soft packaging ② White cardboard hanging hole box ③ Kraft paper box
