We recommend dogoLab_shocker_c3_version1.2
You can just download PCB Gerber or check project files in easyEDA.
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shockerMiniC3 主控基於esp32c3。boost升壓，H橋輸出脈衝，2.5mm耳機孔輸出。傳感器帶BMI270躰動。ws2812彩燈一顆。可編程按鈕一個。typeC數據加充電，tp4095充電管理。USB for DEV。
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shockerMiniC2 主控基於esp32c2。boost升壓，H橋輸出脈衝，2.5mm耳機孔輸出。傳感器帶BMI270躰動。ws2812彩燈一顆。可編程按鈕一個。typeC數據加充電，tp4095充電管理。backPad for DEV。
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switcherMiniC3 主控基於esp32c3.傳感器帶mx30102心率血氧，BMI270躰動，拉力按鈕，手勢感應。預發佈
图：dogoLab_shocker_c3_version1.2_PCB 设备整体PCB设计图
图：dogoLab_shocker_c3_version1.2_coreSystemPart_Schematic 主控与电源等控制电路原理图
图：dogoLab_shocker_c3_version1.2_emsPart_Schematic EMS电刺激功能电路原理图
图：dogoLab_shocker_c3_version1.2_imuPart_Schematic IMU体动传感器模块原理图
| Signal Name | MCU Pin | Direction | Function / Usage | Voltage |
|---|---|---|---|---|
| GPIO4_SDA | IO4 | I/O | I²C Data (BMI270) | 3.3V |
| GPIO5_SCL | IO5 | I/O | I²C Clock (BMI270) | 3.3V |
| GPIO2_WSLED_DI | IO2 | Output | WS2812 Status LED | 5V tolerant |
| GPIO8_BOOT | IO8 | Input | Boot Mode Select | 3.3V |
| CHIP_RXD | RXD | Input | UART Receive | 3.3V |
| CHIP_TXD | TXD | Output | UART Transmit | 3.3V |
| DET_ADC_VDC | IO10 | ADC Input | Battery / VBUS Voltage Detect | 0–3.3V |
| IN_A | IO9 | Output | H-Bridge Pulse Control A | PWM |
| IN_B | IO10 | Output | H-Bridge Pulse Control B | PWM |
| L-BOOST | IO8 | Output | Boost Enable (Q9) | Digital |
| CTRL_POWER | IO7 | Output | System Power Control | Digital |
| DET_SW | IO6 | Input | Mode Switch / User Button | Digital |
| BMI270 Pin | Connected To | Description |
|---|---|---|
| SDO | GND | I²C Address Select |
| SDX / SDA | GPIO4_SDA | I²C Data |
| SCX / SCL | GPIO5_SCL | I²C Clock |
| INT1 | NC | Interrupt (optional) |
| INT2 | NC | Interrupt (optional) |
| VDD | 3.3V | Power Supply |
| GND | GND | Ground |
| Signal | Connected To | Purpose | Notes |
|---|---|---|---|
| IN_A | Q3 Base | PWM control A | Stimulation switching |
| IN_B | Q4 Base | PWM control B | Bipolar waveform |
| L-BOOST | Q9 Base | Boost Enable | Enable DC-DC conversion |
| OUT_A | CN1 Pin 1 | Stimulation Output (+) | External electrode |
| OUT_B | CN1 Pin 2 | Stimulation Output (–) | External electrode |
| Pin | Function | IC | Notes |
|---|---|---|---|
| VBAT | Battery Input | TP4059 | 3.7–4.2V lithium battery |
| VBUS | USB-C Power | TP4059 | 5V from USB |
| DET_ADC_VDC | ADC Input | ESP32-C3 | Battery / USB detect |
| USB_DP / USB_DN | USB 2.0 Data | ESP32-C3 | ESD Protected |
| VBUS_OUT | 5V output | AO3401 | Boosted output |
AD TIME~
