SKU: 27577
Part Number: Bus Servo Driver HAT (A)
Brand: Waveshare
Korisne informacije:
www.waveshare.com/wiki/Bus_Servo_Driver_HAT_(A) Serial Bus Servo Driver HAT, Integrates ESP32 And Servo Control Circuit, Suitable For ST / RSBL Series Serial Bus Servos
Serial Bus Servo Driver HAT Designed for Serial Bus Servos, Integrates ESP32 and Servo Control Circuit
Allows Controlling Up To 253 Serial Bus Servos At The Same Time Via ESP32 UART Or USB Port, Can Be Used As The Main Controller Of The Robotics Projects
Features At A Glance
- Allows controlling up to 253 ST / RSBL series serial bus servos at the same time
- 9~25V wide voltage input (the input voltage and the servo voltage must be matched)
- Based on the ESP32-WROOM-32 module, supports wired and wireless communication
- Provides multiple control demos for different host controllers
- Supports controlling the serial bus servos directly via onboard USB Type-C port
- Supports connecting to Raspberry Pi, powering the Pi via integrated 5V buck regulator circuit and communicating through GPIO UART interface, neat cable management
Specifications
CONTROLLER |
ESP32-WROOM-32 |
POWER SUPPLY PORT |
XT60 connector, 5.5×2.5 mm DC jack |
POWER SUPPLY |
9~25V (the input voltage and the servo voltage must be matched) |
COMMUNICATION INTERFACE |
UART, USB Type-C port × 2 |
WIRELESS COMMUNICATION |
2.4G WiFi |
MOUNTING HOLE DIAMETER |
3 mm |
MOUNTING HOLE SPACING |
58×49 mm |
PCB SIZE |
65×57 mm |
Application Examples
- Servos will provide various feedback like position, speed, torque lock, and operating mode (servo mode, servo motor mode, etc.) for advanced projects requiring closed-loop automatic control
- The host controller can control the serial bus servos by sending JSON commands and obtain feedback information in JSON format, more convenient for secondary development.
- Ideal choice for building quadruped robots, hexapod walkers, robotic arms and other robotic projects requiring multiple servos
* images here are for reference ONLY
Compatible Servos Supports ST / RSBL Series Bus Servos And Selecting Power Supply Input According To The Servo Used
ST3215 Servo
ST3215-HS
ST3025 Servo
ST3020 Servo
RSBL45-24
RSBL85-12
RSBL85-24
RSBL120-24
Note: When using the different servo models at the same time, please pay attention to whether the power input can meet the requirements of all the servos. UART Serial Bus Control Allows Controlling Up To 253 Serial Bus Servos At The Same Time
* for reference only, the servos in the picture are NOT included.
Note: though one channel UART can control up to 253 bus servos, due to the high power of the servos, it is necessary to consider whether the power supply solution is enough when using too many servos. Wired Control Mode Supports Sending JSON Commands To ESP32 For Controlling The Serial Bus Servos, Or Directly Sending Control Commands To The Servos Via USB Type-C Port. Comes With Python Demo.
Wireless Control Mode The Bus Servo Driver HAT (A) Will Automatically Establish A Hotspot After Powering On, Allows Users To Connect And Control The Driver Board Via Mobile Phones, Tablets And PCs With The Cross-Platform Web Application We Provided
Suitable For Raspberry P 5 / 4B Supports Powering The Pi And Communicating Through GPIO UART Interface, Neat Cable Management
ESP32 Controller, Extensive Resources Easy Secondary Development Built-In WiFi And Bluetooth, As Well As ESP-NOW Support, For Remote Control And Servo Debugging
What's On Board 
- ESP32 module
- DCDC 5V buck regulator
- UART control switch
- Reset button
- BOOT button
for entering downloading mode
- Raspberry Pi 40PIN header
- ESP32 Type-C port
- Serial bus servo Type-C port
- XT60 connector
- 5.5×2.5 DC power jack
- Power supply screw terminal
- RS485 serial bus servo header
- TTL serial bus servo headers
Outline Dimensions 
Package content: Weight: 0.082 kg
- Bus Servo Driver HAT (A) x1
- 2×20 pin header x1
- USB-A to USB-C cable x1
- Screws pack x1
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