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Adam Klama, 06/21/2026 02:10 PM
Configuring Inputs¶
An input brings a value into the controller — from a physical pin, the CAN
bus, or computed from other inputs. Every input shares the
Common IO Settings; each type adds its own options.
Inputs fall into three groups.
Physical (hardware-pin) inputs¶
| Input | Reads | Page |
|---|---|---|
| Analog Input | Analog voltage on a pin | inputs/Analog-Input.md |
| Digital Input | On/off (shorted to sGND) with debounce/invert | inputs/Digital-Input.md |
| Frequency Input | Frequency, speed, duty or pulse time from a pin | inputs/Frequency-Input.md |
| Analog Switch Input | Resistor-ladder / voltage switch | inputs/Analog-Switch-Input.md |
Communication inputs¶
| Input | Reads | Page |
|---|---|---|
| CAN Bus Input | A signal from a raw CAN frame | inputs/CAN-Bus-Input.md |
| CAN Object Input | A named object provided by a CAN Preset | inputs/CAN-Object-Input.md |
Computed / logical / virtual inputs¶
| Input | Produces | Page |
|---|---|---|
| Constant Value Input | A fixed value | inputs/Constant-Value-Input.md |
| Compare Input | A boolean (1024 / 0) from a comparison | inputs/Compare-Input.md |
| Math / Divide Input | Maths between two inputs | inputs/Math-Divide-Input.md |
| Map Input | 1D lookup on another input | inputs/Map-Input.md |
| Mux Input | Selects 1 of 8 inputs | inputs/Mux-Input.md |
| Counter Input | Up/down/reset counter | inputs/Counter-Input.md |
| Waveform Input | Time-based generated signal | inputs/Waveform-Input.md |
| RBC Input | Decodes Gray code from a set of bit inputs | inputs/RBC-Input.md |
| Virtual Input | Value set from the datalogger (USB sliders) | inputs/Virtual-Input.md |
| System Input | A system value, selected by pin | inputs/System-Input.md |
Not documented here: Test Input and AHRS Input (developer/diagnostic), Current
Sense Input (diagnostic), QEI Input (diff-controller only), and the internal
template-only types Gear Ratio Calculator and Clutch Slip Counter. Duty
measurement is covered by the Frequency Input (Duty mode), and the legacy
standalone Frequency/Duty inputs are folded into it.
Updated by Adam Klama 1 day ago · 3 revisions