Description:
Dimension: 3.2cm x 2.4cm x 1.8cm (approx)
Infrared sensor with control circuit board
The sensitivity and holding time can be adjusted
Working Voltage Range: DC 4.5V- 20V
Current drain:<60uA
Voltage Output: High/Low level signal:3.3V TTL output
Detection distance: 3--7M(can be adjusted)
Detection range: <140°
Delay time: 5-200S(can be adjusted, default 5s +-3%)
Blockade time: 2.5 S (default)
Trigger: L: Non-repeatable trigger H: Repeat Trigger (default)
Work temperature:-20-+80°C
Trigger Method: L unrepeatable trigger / H repeatable trigger
1 module description
1 double L9110S chip motor drive
2 module power supply voltage: 2.5-12v
Suitable range of motors: working voltage of motors is between 2.5v and 12V, and the maximum working current is 0.8a. The current and voltage of smart cars on the market are within this range
4 can drive 2 dc motors at the same time, or 1 4-wire 2-phase stepping motor.
5 PCB board size: 2.8cm*2.1cm ultra-small size, suitable for assembly
Fixed mounting hole, diameter: 3mm
Interface description of the two modules
[instructions for 6P black bent row needle]
VCC external connection 2.5v-12v voltage
2 GND external to GND
IA1 external monolithic integrated circuit IO port
IB1 external MCU IO port
IA2 external monolithic integrated circuit IO port
IB2 external MCU IO port
[description of 4P green terminal]
OA1 OB1 is connected with 2 pins of dc motor without direction
OA2 OB2 is connected with two pins of dc motor without direction
Instructions for use of the three modules
Connect VCC, GND module power indicator light on
IA1 input high level, IA1 input low level, [OA1 OB1] motor forward rotation;
IA1 input low level, IA1 input high level, [OA1 OB1] motor reversal;
IA2 input high level, IA2 input low level, [OA2 OB2] motor forward rotation;
IA2 input low level, IA2 input high level, [OA2 OB2] motor reversal;