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PCA9685 module, I2C interface, 16 CH, servo motor
Quickly expand PWM control on Arduino and other boards, using only 2 pins via the I2C interface, to independently control up to 16 servo motors or other PWM loads. It offers 12-bit resolution for smooth movements, adjustable frequency 40-1000 Hz, 5-10 VDC power supply and a compact 60 x 25 mm form factor, ideal for robotics and automation projects.
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The PCA9685 module is a high-performance PWM driver, designed for precise control of up to 16 independent PWM outputs via an I2C interface, using only 2 pins of the development board. Due to its efficient architecture, the module is ideal for applications involving the control of servo motors, LEDs, or other PWM loads.
The I2C communication allows connecting multiple modules in a chain, expanding the number of available channels. The 12-bit resolution ensures fine and precise control of position or intensity, with 4096 steps per channel.
The adjustable PWM frequency between 40 and 1000Hz offers flexibility for various types of applications.
The 5-10V DC supply voltage makes it compatible with most embedded systems. The module is compatible with Arduino (Uno, Mega, Nano), ESP32, STM32, Raspberry Pi, and any other platform with an I2C interface.
Specifications:
Supply voltage: 5 - 10V DC
Interface: I2C
PWM frequency: 40 - 1000 Hz
Number of PWM channels: 16
Resolution: 12 bits (4096 steps)
Dimensions: 60 x 25 mm
Pinout:
| Pin | Description |
|---|---|
| GND | Ground |
| OE | Output Enable, active LOW |
| SCL | I2C Clock line |
| SDA | I2C Data line |
| VCC | Logic power supply 3.3V / 5V |
| V+ | Servo / load power supply |
| PWM | PWM outputs, channels 0-15 |
| V+ | Power supply per servo channel |
| GND | Ground per servo channel |
| V+ | Main power supply terminal |
| GND | Main ground terminal |
| A0-A5 | I2C address selection, Open = 0 / Closed = 1 |
| SCL | I2C Clock, right side |
| SDA | I2C Data, right side |
| OE | Output Enable, right side |
| GND | Ground, right side |
| VCC | Logic power supply, right side |
Usage:
Connect the VCC pin to 3.3V or 5V on the development board.
Connect the GND pin to the ground of the development board.
Connect SDA to the SDA pin of the board (e.g., A4 on Arduino Uno, GPIO 21 on ESP32).
Connect SCL to the SCL pin of the board (e.g., A5 on Arduino Uno, GPIO 22 on ESP32).
Power the V+ pin with the voltage required by the servo motors or load (5-10V DC).
Install the Adafruit PWM Servo Driver library from the Library Manager.
Initialize the module in code with the default address 0x40.
Set the PWM frequency depending on the type of load (e.g., 50Hz for standard servo motors).
Control each individual channel using the setPWM(channel, on, off) function.
To address multiple modules simultaneously, adjust the A0-A5 jumpers to change the I2C address.
Produs destinat utilizarii in proiecte electronice, automatizari, prototipare, educatie si cercetare.
Produsul trebuie utilizat numai conform specificatiilor tehnice mentionate in descriere si/sau in documentatia produsului.
Avertismente generale de siguranta:
Nu utilizati produsul la tensiuni, curenti sau temperaturi peste valorile specificate.
Montajul si conectarea trebuie realizate de persoane cu cunostinte tehnice minime in domeniul electric/electronic.
Evitati scurtcircuitele, inversarea polaritatii si conectarea gresita a alimentarii.
Nu lasati produsul alimentat nesupravegheat in timpul testelor.
Produsul nu este jucarie si nu este destinat copiilor.
Pentru modulele electronice, se recomanda utilizarea in carcase, panouri sau montaje protejate, dupa caz.
Identificare produs:
Denumirea produsului, codul/SKU-ul si caracteristicile tehnice sunt mentionate in pagina produsului si/sau pe eticheta ambalajului.
Producator / Importator / Distribuitor:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Website: www.sigmanortec.ro
Persoana responsabila in UE:
Sigmanortec S.R.L.
Calea Bucuresti nr. 9, Targu Jiu, Gorj, Romania
E-mail: [email protected]
Documentatie si siguranta:
Pentru informatii suplimentare, fise tehnice, declaratii de conformitate sau instructiuni, ne puteti contacta la [email protected].
Reviews (2) - Review moderation
Foarte bun pentru controlul mai multor motoare servo. Pot fi conectate in cascada mai multe module prin aceeasi interfata I2C
Am cumparat cateva lucruri de aici shi mi-a placut modul cum am interactzionat la telefon (am vrut sa shtiu daca driverul de servo-uri PCA9685 e cel din poza, cu condensator electrolitic, sau o chinezarie), gama de produse, pretzurile, ambalarea shi timpul de livrare. Cumpar chestii electronice pe net de peste 15 ani shi a fost una din cele mai placute experientze. Am folosit driverul shi merge OK.
