3CH RS485/TTL232 to PWM Square Pulse Generator Wave 1Hz~20kHz Frequency Duty Cycle Adjustable DC5V/12V

Features ​​1 Working voltage 5V 5V version 8 24V 12V version ​2 Working current 11 15MA ​3 MODBUS RTU command supports 03 06 16 function codes ​4 RS485 TTL232 interface optional ​5 This module has a total of 3 independent PWM outputs and the frequency and duty cycle can be set separately ​6 PWM frequency range 1Hz 20KHz adjustment step 1Hz accuracy 0 6 ​7 Duty cycle range 0 100 adjustment step 1 accuracy 0 6 ​8 PWM is TTL Level single channel maximum driving current 20MA 3 channels total maximum driving current 28MA ​9 Default baud rate 9600 N 8 1 Baudrate and parity optional ​10 If the setting is wrong you can short circuit RESET for 5 seconds to restore the factory settings ​11 In MODBUS RTU command mode up to 247 devices can be used in parallel ​12 size 31 15 6 2mm ​13 Weight 3 grams Application ​1 LED Dimming controller ​2 DC MotorStepper Motor PWM Debug Controller ​3 SCR dimming controller ​4 PLC Industrial Controller ​5 UNO MEGA MCU DIY ​​ ​Package includes 1 x Generator Module