Sensor Wiring Setup

flux

Work done
  • Integrated the two native PC817 homing sensor channels with labeled X/Y sensor terminals, 10kΩ pullups, 100nF filters, 4.7kΩ status LED resistors, Nano D9/D10 outputs, and a single 0Ω star link between GND_24V and GND_LOGIC.
  • Preserved the 100 mm × 152 mm, 2-layer board and placed the new/updated sensor parts in the connector area with no placement overlap or out-of-bounds issues.
  • Applied the required 1.6 mm copper spacing rule conservatively and documented the implementation in Homing Sensor Integration Audit.
Success criteria review
  • ✅ Native X/Y sensor circuitry integrated and connected to +24V_SENSOR / GND_24V.
  • ✅ LIMIT_X_NET connects to Nano D9; LIMIT_Y_NET connects to Nano D10.
  • ✅ Sensor terminals are documented as BRN/BLU/BLK and filters/status LEDs are included.
  • ✅ Board size and 2-layer stackup are preserved.
  • ❌ Final layout DRC is not clean: airwires and overlapping copper remain after the stricter spacing rule, so the board is not fabrication-ready yet.
Next steps
Run routing cleanup/autoroute for the updated board, then re-check DRC until the airwire and copper-clearance issues are cleared. I can continue with PCB routing/cleanup guidance next.
Route sensor nets
Review DRC violations
Verify clearance rule
Prepare Gerbers
Update audit doc
TP5
TP3
TP4
TP6
X_MOTOR_CONNECTOR
  • Generic Inductor
    Generic Inductor
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  • Generic Capacitor
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  • Generic Resistor
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Jerky Robot V3 Control Board thumbnail
Jerky Robot V3 100 mm × 152 mm 2-layer control board with ESP32-S3 and Arduino Nano sockets, screw-terminal I/O, BSS138 UART level shifting, PC817 sensor isolation, optional HX711 interface, status LEDs, test points, top-side component placement, and bottom GND fill for JLCPCB fabrication.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Arrow

$17.38–$18.07

Digi-Key

$56.94–$3,844.24

LCSC

$32.10–$32.16

Mouser

$28.03

TME

$3.43

Verical

$7.32–$19.76

Controls