Sheet 2 (rev 3.10) — control & loads

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control_loads 2014 RAM 1500 Carputer — SHEET 2: CONTROL & LOADS (rev 3.10) Waveshare ESP32-S3 8DI-8DO controller (Tier-0).   8 digital INPUTS (physical wires) ← left.   8 digital OUTPUTS (triggers) → right. DO direct = drives a small signal · DO→relay = triggers a Bosch relay (it switches the load) · DO→harness = triggers the load's own relay.   Trigger wires = Cat5 / 22 AWG (no fuse). cluster_di DIGITAL INPUTS  (physical wires in) cluster_do DIGITAL OUTPUTS  →  loads ctrl Waveshare ESP32-S3 8DI-8DO CONTROLLER (Tier-0, always-on, 12V) Ethernet→Pi broker (MQTT) o_conv O1  OptiPlex converter power → relay (cut for deep storage) ctrl->o_conv o_acc O2  Accessory cut → relay ctrl->o_acc o_pulse O3  OptiPlex power-pulse DO DIRECT (logic, no relay) ctrl->o_pulse o_cam O4  Camera tier (Switch B) → relay → PoE switch ctrl->o_cam o_cont O5  Bed contactor coil → relay → contactor ctrl->o_cont o_pc O6  Pre-charge relay DO DIRECT (Bosch coil <500mA) ctrl->o_pc o_comp O7  Compressor DO direct OR relay (depends) ctrl->o_comp o_spare O8  spare ctrl->o_spare rbox Relay / fuse box (Bosch relays + fuses) ctrl->rbox DO triggers (Cat5) rock/underbody/pods bar Light bar (KC, 18A) via its OWN harness relay ctrl->bar DO → KC harness trigger di_door DI1  Door (dome-light wire) di_door->ctrl di_ign DI2  Ignition (12V-switched) di_ign->ctrl di_rev DI3  Reverse di_rev->ctrl di_btn DI4  Dash button di_btn->ctrl di_temp DI5  Cab temp / batt V (ADC sense) di_temp->ctrl di_spare DI6-8  spare di_spare->ctrl lights LIGHTS — rock · underbody · pods (each switched + fused) rbox->lights switched + fused 14-12 AWG (power)

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