Temperature and Humidity Sensor Node Design

Updated 15 connections

0:17

Connected Q1:E, Q2:E, Q3:E, Q4:E to ^GND

Connected MOT1:+, MOT2:+, MOT3:+, MOT4:+, D1:cathode, D2:cathode, D3:cathode, D4:cathode to ^3V0_MOT

Connected Q1:C, MOT1:, D1:anode to ^MOT1_SW

Connected Q2:C, MOT2:, D2:anode to ^MOT2_SW

Connected Q3:C, MOT3:, D3:anode to ^MOT3_SW

Connected Q4:C, MOT4:, D4:anode to ^MOT4_SW

Connected U1:IO25, R1:P1 to ^MOT1_GPIO25

Connected R1:P2, Q1:B to ^MOT1_BASE

Connected U1:IO26, R2:P1 to ^MOT2_GPIO26

Connected R2:P2, Q2:B to ^MOT2_BASE

Connected U1:IO27, R3:P1 to ^MOT3_GPIO27

Connected R3:P2, Q3:B to ^MOT3_BASE

Connected U1:IO14, R4:P1 to ^MOT4_GPIO14

Connected R4:P2, Q4:B to ^MOT4_BASE

Disconnected Q1:C, Q1:E, Q1:B, Q2:C, Q2:E, Q2:B, Q3:C, Q3:E, Q3:B, Q4:C, Q4:E, Q4:B, D1:anode, D1:cathode, D2:anode, D2:cathode, D3:anode, D3:cathode, D4:anode, D4:cathode, MOT1:, MOT1:+, MOT2:, MOT2:+, MOT3:, MOT3:+, MOT4:, MOT4:+, R1:P1, R1:P2, R2:P1, R2:P2, R3:P1, R3:P2, R4:P1, R4:P2

nets {

net 5V = C1:P1, U2:EN, U2:IN, U1:5V, J1:1, U6:VCC, C3:P1, U3:VCC, LED1:VDD2, LED1:VDD1;

net GND = C1:P2, U2:GND, C4:P2, C3:P2, C2:P2, LED1:GND2, LED1:GND1, U5:Ground, IC2:GND_2, IC2:GND_1, IC1:VSS, U1:J2-14, U1:J3-7, U1:J3-1, J1:5, U6:10, U6:7, U3:GND, U4:GND, Current Sensor1:GND;

net GPS_TX_TO_ESP_RX = U1:IO16, U3:TX;

net 3V3 = Current Sensor1:VCC, R6:P2, IC2:+VS, U1:3V3, C2:P1, R5:P2, IC1:VDD, U4:vcc;

net I2C_SCL = U4:SCL, U1:IO22, IC1:SCL_/_VZ, R6:P1, Current Sensor1:SCL;

net I2C_SDA = R5:P1, U4:SDA, Current Sensor1:SDA, U1:IO21, IC1:SDA_/_PWM;

net ECG_OUT = IC2:OUT, U1:IO34;

net DFP_RX_FROM_ESP_TX = U1:IO5, U6:RX;

net 3V3 = U1:VP;

net MOT_LEFT_GPIO26 = R2:P1, U1:IO26;

net GPS_RX_FROM_ESP_TX = U1:IO17, U3:RX;

net MOT_BACK_GPIO14 = U1:IO14, R4:P1;

net GSR_SIG = U1:IO35, U5:Signal;

net MOT_RIGHT_GPIO27 = U1:IO27, R3:P1;

net LED_DIN = LED1:IN, U1:IO13;

net MOT_FRONT_GPIO25 = R1:P1, U1:IO25;

net DFP_TX_TO_ESP_RX = U6:TX, U1:IO4;

net GND = Q1:E, Q4:E, Q3:E, Q2:E;

net 3V0_MOT = MOT1:+, D4:cathode, D3:cathode, D2:cathode, D1:cathode, MOT4:+, MOT3:+, MOT2:+;

net MOT1_SW = Q1:C, D1:anode, MOT1:-;

net MOT2_SW = Q2:C, D2:anode, MOT2:-;

net MOT3_SW = Q3:C, D3:anode, MOT3:-;

net MOT4_SW = Q4:C, D4:anode, MOT4:-;

net MOT1_BASE = R1:P2, Q1:B;

net MOT2_BASE = R2:P2, Q2:B;

net MOT3_BASE = R3:P2, Q3:B;

net MOT4_BASE = R4:P2, Q4:B;

}

13 days

flux

0:00

Work done
  • Rewired the 4 haptic motor low-side driver stages to match your requested wiring style:
    • Collectors: Q1/Q2/Q3/Q4 C tied to the corresponding motor negative MOT1/MOT2/MOT3/MOT4 and flyback diode anode D1/D2/D3/D4
    • Emitters: all E tied to GND
    • Bases: GPIO -> 1 kΩ base resistors R1/R2/R3/R4 -> B
    • Motor positives + diode cathodes tied to 3V0_MOT
  • Preserved the existing sensor, GPS, DFPlayer, LED ring, and power rail connectivity (no changes made outside the motor-driver related pins).
Success criteria review
  • ✅ Each motor stage wiring matches the specified pattern (C -> MOTx:- + Dx anode, E -> GND, B via 1 kΩ to GPIO)
  • ✅ Motor positives and diode cathodes are tied to the 3V0_MOT rail
  • ✅ GPS/DFPlayer UART, I2C bus, analog inputs, and LED ring connections remained unchanged
  • ✅ ERC passes (no Missing Power / Single Pin Nets / Undriven Nets)
  • ⚠️ Net colors: Flux schematic net coloring is not available via the tools I can use; if the UI supports it, it must be set manually
13 days
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Haptic Compass Belt – ESP32 Navigation System

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