Convert 0-5V voltage signal to PWM signal or convert PWM signal to 0-5V voltage signal
Features and advantages:
1. Dual-channel synchronous high-speed processing
2. Support 50~200Hz frequency PWM signal
3. Support 5~12V wide voltage input
4. Only 3 grams weight
5. High linearity
Product Introduction：
The function of this module is to linearly convert the PWM (1000us~2000us) signal output by the receiver into an analog voltage signal of 0~5V. It supports dual-channel signal input and output at the same time, and can support a maximum frequency of 200Hz. The working mode can be switched by short-circuiting to linearly convert the PWM (1550us~2000us) signal into an analog voltage signal of 0~5V. It is widely used in the fields of aircraft models, ship models, car models, and drones. It realizes the input of the receiver PWM signal and converts it into a stable analog voltage output.
Pin configuration and wiring diagram:
Working mode 1 (1000us-2000us)
Working mode 2 (1550us-2000us)
Test method
1. Connect the receiver according to the wiring method of the reference circuit above, and connect the external LED light to the corresponding 0UT and GND pins
2. Turn on the power
3. According to the on and off of the LED indicator on the board, determine whether the high level duration in the input PWM signal cycle is between 1000us and 2000us and the channel of the PWM signal input. 4. Start adjusting the PWM signal from 1000us and gradually increase it to observe whether the brightness of the external LED light gradually becomes brighter.
(Note: Do not set the PWM input high level time tpwm to exceed 2000us unless necessary; if it exceeds, the output analog voltage value will be the maximum output analog voltage 5V)
Output analog voltage calculation formula: OUT=(tpwm-1000)/1000*5, 0UTt≤Vmax=5V
Safety precautions
(1). Please ensure that the voltage and frequency match the device requirements when the device is connected to the power supply. Please connect the wires before powering on.
(2). Do not expose the device to high temperature, humidity or corrosive environment!
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