8Servos HAT
Description
8Servos HAT is an 8-way servo control board compatible with M5StickC. The brains of the borad is the STM32F030F4 microcontroller which communicates with M5StickC through I2C. In order to ensure that multiple servos can work at the same time, the HAT is equipped with a separate 16340 battery base for an external and independent power supply. A control switch and an RGB LED are also integrated with the HAT. The SG90 servos are a perfect fit for this HAT.
Product Features
- 8-way servo control
- onboard RGB LED
- 16340 battery base
- I2C protocol for comunication and control (0x38)
Applications
- Multiple servo control
- Robotic Arm
- Biomimetic Robots
- Smart and cognitive toys
Include
- 1x 8Servos-HAT
- 1x 16340 battery(700mAh)
Specification
| Resources | Parameter |
|---|---|
| Communication protocol | I2C：0x38 |
| Net weight | 27g |
| Gross weight | 38g |
| Product Size | 54*24*20mm |
| Package Size | 75*46*29mm |
EasyLoader
EasyLoader is a concise and fast program writer, which has a built-in case program related to the product. It can be burned to the main control by simple steps to perform a series of function verification.
Description:
This test program will test whether the drive servo function of each port of the 8Servos HAT module is normal.
PinMap
| M5StickC | GPIO26 | GPIO0 | 3.3V | GND |
|---|---|---|---|---|
| 8Servos | SDA | SCL | Vin | GND |
Example
Arduino
UIFlow
8Servos HAT Instructions
>1. Function Description
(1)Eight-way servo control
(2)Onboard sk6812 LED control
>2. Communication Method
I2C,bitrate 400HZ,address support self-addition
address：0x38
register value description
00H 0X00 CH1 angle out
01H 0X00 CH2 angle out
02H 0X00 CH3 angle out
03H 0X00 CH4 angle out
04H 0X00 CH5 angle out
05H 0X00 CH6 angle out
06H 0X00 CH7 angle out
07H 0X00 CH8 angle out
3. I2C address description
00H(R/W)servo register address
description：
（1）Data can be read and written continuously
（2）Each register value indicates the degree can be written to 0-180
> 10H(R/W)servo pulse width register
address value description
10H 0X00 CH1_WIDTH[8:15]
11H 0X00 CH1_WIDTH[0:7]
12H 0X00 CH2_WIDTH[8:15]
13H 0X00 CH2_WIDTH[0:7]
14H 0X00 CH3_WIDTH[8:15]
15H 0X00 CH3_WIDTH[0:7]
16H 0X00 CH4_WIDTH[8:15]
17H 0X00 CH4_WIDTH[0:7]
18H 0X00 CH5_WIDTH[8:15]
19H 0X00 CH5_WIDTH[0:7]
1AH 0X00 CH6_WIDTH[8:15]
1BH 0X00 CH6_WIDTH[0:7]
1CH 0X00 CH7_WIDTH[8:15]
1DH 0X00 CH7_WIDTH[0:7]
1EH 0X00 CH8_WIDTH[8:15]
1FH 0X00 CH8_WIDTH[0:7]
description：
（1）Data can be read and written continuously
> 20H(R/W)LED_RGB register
address value description
20H 0X00 G[0:7]
21H 0X00 R[0:7]
22H 0X00 B[0:7]
description:
（1）Data can be read and written continuously
（2）RGB888