Finding GH1.25 Solder Pad

jordan77291

jordan77291

can you make any connections to things that you know for the ignition system for my honda d16 with the components on the board currently and place them all on the left side gapped away from the cm4 module
285 days

flux

2:20

Analyzing the schematic.

Analyzing the schematic.

Analyzing the schematic.

I can hook up the on-board Schmitt‐trigger inverters (U12) to the MOSFETs to form your two wasted-spark coil drivers, tie their sources to ground, and then bring those drains out to a connector. Then we’ll move that whole “ignition block” to the left side, clear of the CM4.
To proceed we need to decide on:
  1. Power & coil connector
    – Do you want to reuse J1 (2-pin JST) for Coil1/Coil2 outputs and ground, or add a new multi-pin header (e.g. a 3-pin: +12 V, Coil1, Coil2)?
  2. Gate resistor values
    – Typically a small series resistor (e.g. 100 Ω) is placed between each inverter output and MOSFET gate. Shall I add these?
Once you let me know the connector choice (and gate resistor preference), I’ll:
  • Net “IGN1_GATE”: [U12:1Y] → (R?Ω) → [Q2: G]
  • Net “IGN2_GATE”: [U12:2Y] → (R?Ω) → [Q5: G]
  • Tie [Q2: S] & [Q5: S] to GND
  • Net “IGN1_OUT”: [Q2: D] → Connector pin
  • Net “IGN2_OUT”: [Q5: D] → Connector pin
  • Route +12 V into connector pin (if new header)
  • Group and place them on the left side with a ground pour if desired
Let me know your connector and resistor-value choices and I’ll apply those changes.
Reuse J1
Add 4-pin header
Add 3-pin header
J1 with 220Ω
4-pin JST PH
285 days
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Line: 15:5: '=' expected.Line: 15:14: ';' expected.Line: 16:15: ';' expected.Line: 17:18: ';' expected.Line: 18:6: Declaration or statement expected.Line: 19:17: ';' expected.Line: 58:11: ';' expected.Line: 72:1: Declaration or statement expected.
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