Control Points for Dec 18th ESP 3G elves -- Scott Jensen Revised: 12/1/2015 sjensen - Elf GPIO usage from Brent, with revision Elf1: "Syringe Elf" All 4 syringe stepper motors GPIO0 -> Handoff Valve 1 GPIO1 -> Handoff Valve 2 Elf2: "Sampling Elf" Cartridge & Sample valves + Turbine & Sample Pump stepper motors GPIO6 <-- Bulkhead Intake GPIO2 --> Bulkhead Intake GPIO7 <-- Bulkhead Outlet GPIO3 --> Buldhead Outlet GPIO4 <-- Sampler Pressure (Servo in) Elf3: "Heater Elf" GPIO5 <-- Temperature Sensor GPIO3 --> Heater PWM Revised: 11/24/15 brent@mbari.org Elf1 Elf2 Elf3 Syringe 1 Stepper X Syringe 2 Stepper X Syringe 3 Stepper X Syringe 4 Stepper X Cartridge Valve Stepper X Turbine rotate Stepper X Sample Valve Stepper X Sample Pump Stepper X Bulkhead Intake Digital Open/Close 1-Out 1-In 2D Bulkhead Outlet Digital Open/Close 1-Out 1-In 2D Sample Pressure Analog 1 1A Puck Heater PWM Digital out 1 PWM 1D Puck Temperature Analog 1 1A Handoff Valve 1 PWM 1 PWM 1D Handoff Valve 2 PWM 1 PWM 1D