Yahboom 16-Channel PWM Servo Debugging Board, I2C/UART + Bluetooth APP Control for Robotic Arm
Yahboom 16-Channel PWM Servo Debugging Board, I2C/UART + Bluetooth APP Control for Robotic Arm
Yahboom
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Overview
This 16-channel PWM servo control debugging board is designed for driving and testing up to 16 servos (S1–S16) via I2C (IIC) or serial (UART), and it also supports Bluetooth APP control (with a Bluetooth module) for applications such as robotic arm control. Servos are powered from an external 5–8.4V input, and the servo supply voltage follows the input voltage. The board includes protection circuits such as short-circuit protection, reverse-connection protection, and over-current protection, plus an on-board voltage regulator circuit to improve reliability.
Key Features
- 16 independent servo ports (S1–S16) for multi-servo setup and debugging.
- External servo power input: 5–8.4V via terminal block.
- Control interfaces: I2C (IIC) and serial (UART) communication.
- Reserved Bluetooth interface; with a Bluetooth module, servos can be controlled by Android/iOS APP.
- Mobile APP control functions shown: Global control, Single point control, and Robotic arm (image) control.
- Protection circuits: short-circuit protection, reverse-connection protection, and over-current protection.
Specifications
| Servo channels | 16 |
| Servo ports | S1–S16 |
| External servo power input | 5–8.4V |
| Communication | I2C (IIC), Serial (UART) |
| Bluetooth | Reserved Bluetooth interface (Bluetooth module required for APP control) |
| Board size | 60mm x 40mm |
| Mounting hole | Fixed hole Φ4.7mm |
| Protections / circuits | Short-circuit protection; reverse-connection protection; over-current protection; voltage regulator circuit |
What's Included
- 16-channel servo debugging board
- Option package shown: steering gear drive board + Bluetooth 5.0 module
How to Use
- Provide 5–8.4V to the board, then connect servos to the S1–S16 interfaces.
- A development board can send commands through the serial port (UART) or I2C (IIC) to control the corresponding servo; 16 servos can be controlled separately.
- When using APP remote control, UART is connected to Bluetooth, and there is no need to connect to an external control board.
APP Notes
- APP supports iOS/Android dual-system control.
- Android users can get the APK file in the tutorials.
- iOS users can search "MakerControl" in the App Store to download the APP.
Applications
- Servo testing and debugging (5–8.4V servos)
- Robotic arm and multi-servo robotics projects
- Integration with development boards via I2C/UART (wiring diagrams are provided in tutorials for multiple platforms)
Tutorials
Yahboom 16-channel servo debugging board tutorial
For product selection and after-sales support, contact https://rcdrone.top/ or email support@rcdrone.top.
Details
Drive and debug up to 16 servos from one compact controller, with I2C/UART communication and a 5–8.4V servo power input.
Choose the board-only option or the bundle that adds a Bluetooth 5.0 module for mobile APP control.
A 60 mm × 40 mm footprint with mounting holes helps integrate the board into robotics builds and test fixtures.
Global control lets you adjust multiple servo channels quickly from the mobile app when a Bluetooth module is connected.
Single-channel tuning and robotic-arm style control modes make setup and troubleshooting faster.
I2C wiring is kept simple with SDA, SCL, VCC, and GND connections across popular development boards.
Power the servos from an external 5–8.4V supply, then connect S1–S16 and control through I2C or UART.
Flexible power options support common servo setups, including 8.4V battery packs or regulated 5V supplies.
Suitable for quick servo testing, remote control demos, and small robotic arm projects.
The Yahboom 16-channel PWM controller provides clearly labeled S1–S16 outputs and supports common 5–8.4V PWM servos for straightforward wiring.
The Yahboom 16-channel PWM servo driver board provides 16 three-pin servo sockets plus I2C/serial connectors and power indicator lights for clean wiring.
The optional Bluetooth module uses UART pins (RXD, TXD, GND, VCC) for simple serial connection to your controller.
The 2.4GHz BLE 5.0 module uses a UART interface, runs on 3.6–6V, and lists low sleep currents along with an approximate 60 m transmission distance.
The Yahboom controller includes an Android/iOS Bluetooth remote control app with global, simple, and image control modes for adjusting servo outputs.
The 16-channel PWM board provides labeled pin headers and a screw terminal block to simplify wiring multiple servos or PWM outputs.
Servo power should provide sufficient current, and the servo supply voltage can be in the 5V–8.4V range depending on the servo used.
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