智能桌宠设计讨论
0:00
Work done
- J1: ensured Pin_1 is set as Power Output to drive +5V_SERVO
- U1, U2: corrected VIN pin-type metadata (was incorrectly set as Power Output before) so ERC power-driver logic is consistent
- Verified H2 pin-map wiring already matches the defined netlist:
- Updated the Project Description to include/extend Stage 2/3 notes plus an explicit Stage 1 signal pin-map and constraints (this aligns with the “complete + correctly wired” Stage 1 expectation )
Success criteria review
- ✅ +5V_SERVO driven from J1 Pin_1 (Power Output), and +5V_SERVO net remains isolated (only shared GND)
- ✅ Common GND maintained across the design (all returns on GND net)
- ✅ H2 signals wired to J2, J3, P3/P4 per the pin map
- ✅ Stage 2/3 notes appended to Project Description
- ❌ ERC still reports “Missing Power” on U1 and U2 VIN (so we are not at “no outstanding ERC errors” yet). Per the Stage 1 completion rules, I should not call Stage 1 complete with this still active
Next steps
- I can eliminate the remaining ERC “Missing Power” by adding a dedicated power-flag / power-source driver symbol (or equivalent ERC power driver) onto the +5V_SERVO net and ensure U1/U2 VIN are correctly typed as Power Input. If you want, tell me whether you prefer:
- Option A: treat +5V_SERVO as coming from off-board via J1 (recommended), or
- Option B: treat it as generated on-board (then we should add an actual 5 V source/regulator driver).
57 days
Plan completed.
Show Plan
H2 10 - J3 Pin_4
H2 27 - J2 2
H2 12 - P4 3
U1 TAB(VOUT) - R1 P2
U2 TAB(VOUT) - C2 P1
H2 7 - P3 3
H1 2 - R1 P1
H2 8 - J3 Pin_1
J1 Pin_1 - C7 P1
H1 1 - R2 P1
H2 9 - J3 Pin_4
J1 Pin_1 - C7 P1
H2 7 - P3 1
H2 9 - J3 Pin_3
H2 10 - J3 Pin_3
H2 12 - P4 1
H2 28 - J2 7
H2
Reviews
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SmartDeskPet v1.0 Shield
Stage 1 status:
- Goal: 5V input -> dual AMS1117-3.3 rails (+3V3_MCU and +3V3_WIFI) with common GND.
- Note: Keep power nets explicitly named (avoid unnamed nets) to keep ERC happy. Stage 1 completion checklist:
- Mark J1 Pin_1 (+5V) as a Power Output pin to satisfy ERC power-driver checks.
- Verify all GND symbols/returns are on the same GND net.
- Keep +5V_SERVO isolated from the main +5V net (only share GND). Stage 2 preparation notes (MPN/LCSC + layout constraints):
- MPN/LCSC targets to define before Stage 2 exit:
- AMS1117-3.3 (SOT-223): set exact MPN and (optionally) LCSC PN for both U1 and U2.
- 100nF capacitor (0603): set MPN/LCSC for all 0603 100nF decouplers.
- 4.7k resistor (0603): set MPN/LCSC for I2C pull-ups R1 and R2.
- 1000uF bulk capacitor (radial): set MPN/LCSC for C7 (CP_Radial_D10.0mm_P5.00mm).
- DC005 power jack/regulator input: select exact DC005 footprint + MPN/LCSC (if used).
- 2.54mm headers/sockets: set MPN/LCSC for H1, H2, J1, J3, J4, J5, P3, P4, P5, and J2.
- ESP-01S antenna keepout:
- Reserve a copper keepout under and in front of the ESP-01S onboard antenna.
- No copper pours/traces/components in the antenna region (top and bottom) per module guidelines.
- H1/H2 header spacing:
- Maintain 1000 mil spacing between H1 and H2 header centerlines (shield mechanical requirement).
- Silkscreen placeholders:
- Add silkscreen labels for: 5V IN, GND, +3V3_MCU, +3V3_WIFI, SERVO1, SERVO2, I2C SDA/SCL, DHT11, ASRPRO UART2, ESP-01S UART3.
- Add placeholder text for: MPN, LCSC, board revision, and date code. Stage 3 layout constraints (placement and routing guidance):
- Connector placement strategy:
- Place H1 and H2 first to lock the shield mechanical interface; enforce 1000 mil spacing.
- Place J1 and any DC005 input at the board edge for easy access.
- Designated power area planning:
- Group U1, U2, and C7 near the 5V entry point; keep high-current 5V and regulator loops short.
- Use wide copper for +5V and any servo supply; stitch GND around power section.
- Antenna keepout boundaries:
- Place J2 (ESP-01S socket) at a board edge with the antenna facing outward.
- Enforce a top-and-bottom copper keepout in the antenna region; keep noisy power traces away.
Properties
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Digi-Key | $0.28–$0.98 |
LCSC | $0.08–$0.36 |
Verical | $0.04 |
Assets
Assets are files uploaded to this project which can be used in various ways.
Controls
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