# JoyC SKU:U079

## Description **JoyC** is a rocker module designed for the M5StickC.It supports two-hand operation. Embedded STM32F030F4 main control chip, using I2C communication protocol and host M5StickC for data transmission. The range of the joystick is 0~200, there are 12 RGB LEDs under the left and right joysticks, and the bottom of the joystick is equipped with a 16340 battery base for continuous battery life. ## Product Features - STM32F030F4 inside - communication protocol: I2C (address: 0x38) - support omni-directional movement/button press ## Include - 1x JoyC - 1x 16340 700mAh Battery ## Applications - Game Handle - Wireless Joystick Device ## Specification

Resources	Parameter
Communication protocol	I2C：0x38
Net weight	81g
Gross weight	117g
Product Size	2005550mm
Package Size	1198965mm

## EasyLoader

Use alone

Use RoverC with JoyC

>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. >2. After downloading the software, double-click to run the application, connect the M5 device to the computer through the data cable, select the port parameters,click **"Burn"** to start burning. (**For M5StickC burning, please Set the baud rate to 750000 or 115200**) ## Protocol - Protocol type I2C - I2C Address: **0x38** ```clike /*--------------------------------------------------------------------------------------------------*/ | JOYC_COLOR_REG | 0x20 | ------------------------------------------------------------------------------------------------ | rgb_r_reg[0] | R/W | RED value | rgb_g_reg[1] | R/W | Green value | rgb_b_reg[2] | R/W | Blue value /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_LEFT_X_REG | 0x60 | ------------------------------------------------------------------------------------------------ | left_x_reg[0] | R | LEFT X VALUE /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_LEFT_Y_REG | 0x61 | ------------------------------------------------------------------------------------------------ | left_y_reg[0] | R | LEFT Y VALUE /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_RIGHT_X_REG | 0x62 | ------------------------------------------------------------------------------------------------ | right_x_reg[0] | R | RIGHT X VALUE /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_RIGHT_Y_REG | 0x63 | ------------------------------------------------------------------------------------------------ | right_y_reg[0] | R | RIGHT Y VALUE /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_PRESS_REG | 0x64 | ------------------------------------------------------------------------------------------------ | press_reg[0] | R | LEFT AND RIGHT PRESS VALUE | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | R | R | R | R | R | R | LEFT | RIGHT | | LEFT: Pressed: 1 Released: 0 | RIGHT: Pressed: 1 Released: 0 /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_LEFT_ANGLE_REG | 0x70 | ------------------------------------------------------------------------------------------------ | left_angle_reg[0] | R | LEFT ANGLE VALUE /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_RIGHT_ANGLE_REG | 0x72 | ------------------------------------------------------------------------------------------------ | right_angle_reg[0] | R | RIGHT ANGLE VALUE /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_LEFT_DISTANCE_REG | 0x74 | ------------------------------------------------------------------------------------------------ | left_distance_reg[0] | R | LEFT DISTANCE VALUE /*---------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------*/ | JOYC_RIGHT_DISTANCE_REG | 0x76 | ------------------------------------------------------------------------------------------------ | right_distance_reg[0] | R | RIGHT DISTANCE VALUE /*---------------------------------------------------------------------------------------------------- ``` ## Example ### 1.Arduino Use with RoverC HAT, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Hat/JoyC/Arduino/JoyC) Use alone [here](https://github.com/m5stack/M5StickC/blob/master/examples/Hat/JoyC/JoyC.ino) ### 2. UIFlow - [Click here to download the UIFlow example](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Hat/JoyC/UIFlow)