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STD RCX-S3: Advanced Control for RC Scale models

RCX-S3: Advanced Control for RC Scale models

Project tags

License

CERN Open Hardware License

License: CERN Open Hardware License

Mode:

Mode

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Update time: 2024-12-26 08:55:43
Creation time: 2023-04-30 18:01:42
Description

Description

The RCX-S3 is a custom-designed PCB developed for the X470: 3D-printed RC excavator. Designed around the ESP32-S3-MINI MCU, this board provides a robust and versatile control system for managing various functions of the excavator.

 

RCS-S3-pinout

 

Key Features:

  • Operating Voltage: 7-14V.
  • Power Management:
    • 6V buck convertor
    • 5V LDO for LEDs
    • 3.3V LDO regulator for ESP32-S3
  • Servo Outputs (S1 to S4): Hydraulic valve servos - Boom, Arm, Bucket, Claw control
  • ESC PWM Outputs (E1 to E4): for BLDC Motor ESC - 2 track motors, 1 swing motor, 1 pump motor
  • Analog Inputs (A1 to A4): Versatile input options for analog sensors - initially planned to sense angle using hall sensors in arm joints.
  • Motor and LED Drivers:
    • 1 DC Motor Driver (Toshiba TB67H451FNG): High efficiency H bridge
    • LED Outputs (ULN2003):
      • L1 to L5 - 5V
      • L6 and L7 - 6V
      • These outputs can also solenoids, or small DC motors.
  • USB-C port: The board includes a USB-C port for easy programming directly from the Arduino IDE.
  • Additional GPIO Port: for I2C and other customizations.
  • Receiver Input: Works with PPM and Serial based receivers

 

Optimized for JLCPCB:

  • 2 - layer board, costs less than $20/board
  • Economic Assembly compatible
  • Works out of the box, no additional components required

The ordering process is explained in this VIDEO

 

X470 excavator:

RCX-S3 Excavator PCB

 

X470 3D printed Excavator design explain

X470 3D printed Excavator arm extended

Design Drawing

Design Drawing

schematic diagram
1 /
PCB
1 /
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ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier
1 2.4kΩ R9,R27,R28,R2 R0603 4 0603WAF2401T5E UNI-ROYAL(厚声) LCSC C22940
2 1uF C27,C24,C3,C4,C21 C0603 5 CL10A105KB8NNNC SAMSUNG(三星) LCSC C15849
3 5.1kΩ R8,R3,R4,R5 R0603 4 0603WAF5101T5E UNI-ROYAL(厚声) LCSC C23186
4 22uF C6,C22,C25,C26,C14,C17,C18,C19,C20,C23,C2,C5,C7,C8,C9,C10,C11,C12,C13 C0805 19 CL21A226MAQNNNE SAMSUNG(三星) LCSC C45783
5 TB67H451FNG,EL U7 HSOP-8_L5.0-W4.0-P1.27-LS6.2-BL-EP 1 TB67H451FNG,EL TOSHIBA(东芝) LCSC C1858375
6 10kΩ R7,R26,R1 R0603 3 0603WAF1002T5E UNI-ROYAL(厚声) LCSC C25804
7 100nF C15,C16 C0402 2 CL05B104KB54PNC SAMSUNG(三星) LCSC C307331
8 19-213/Y2C-CQ2R2L/3T(CY) LED1 LED0603-RD-YELLOW 1 19-213/Y2C-CQ2R2L/3T(CY) EVERLIGHT(亿光) LCSC C72038
9 ESP32-S3-MINI-1-N8 U4 BULETM-SMD_ESP32-S3-MINI-1-N8 1 ESP32-S3-MINI-1-N8 ESPRESSIF(乐鑫) LCSC C2913206
10 AMS1117-5.0 U8 SOT-223_L6.5-W3.5-P2.30-LS7.0-BR 1 AMS1117-5.0 AMS LCSC C6187
11 100Ω R12,R13,R14,R15,R16,R17,R18,R19,R20,R21 R0402 10 0402WGF1000TCE UNI-ROYAL(厚声) LCSC C25076
12 SS54 D3,D1,D2 SMA_L4.4-W2.8-LS5.4-R-RD 3 SS54 MDD LCSC C22452
13 10nF C1 C0603 1 0603B103K500NT FH(风华) LCSC C57112
14 15uH L1 IND-SMD_L8.0-W8.0 1 LVS808040-150M-N chilisin(奇力新) LCSC C280555
15 TPS5430DDAR U1 ESOP-8_L4.9-W3.9-P1.27-LS6.0-TL-EP 1 TPS5430DDAR TI(德州仪器) LCSC C9864
16 ULN2003ADR U2 SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL 1 ULN2003ADR TI(德州仪器) LCSC C7512
17 GT-USB-7010ASV U3 USB-C-SMD_G-SWITCH_GT-USB-7010ASV 1 YTC-TC16-473 YIYUAN LCSC C5329561
18 AMS1117-3.3 U5 SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR 1 AMS1117-3.3 AMS LCSC C6186
19 RESET SW2 SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL-2 1 TS-1187A-B-A-B XKB Connectivity(中国星坤) LCSC C318884
20 1N4148W D5 SOD-123F_L2.7-W1.6-LS3.8-RD 1 1N4148W SEMTECH LCSC C81598
21 BOOT SW1 SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL-2 1 TS-1187A-B-A-B XKB Connectivity(中国星坤) LCSC C318884

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RCX-S3-Pinout.svg

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