Hardware
The full ZeroTrace HID board and the bare-stick Dongle variant, with customer-level specifications.
Every ZeroTrace HID device is built around an ESP32-S3 processor with native USB, on-board storage for your payloads, and Bluetooth LE for control from the app. The line comes in two shapes: a full HID board and the bare Dongle stick.
Full HID board
The full board (sold as ZeroTrace Kit and ZeroTrace Pro) carries on-board storage, an RGB status light and a button. Higher-tier variants add a small colour screen and a microSD card slot.
Processor & memory
- Processor
- ESP32-S3 (dual-core, native USB)
- On-board memory
- 2 MB
- Payload storage
- 10 MB usable on 16 MB models; 2 MB usable on 4 MB models
USB & interface
- USB role
- USB HID keyboard, mouse and gamepad (native)
- Optional mass storage
- Can present a memory card as a USB drive on card-equipped variants
- Control
- ZeroTrace mobile app over Bluetooth LE
- Connectivity
- Bluetooth LE; USB
Local features
- Status light
- 1 RGB status light
- Button
- 1 button (on boards that carry one)
- Screen
- Optional small colour display (select variants)
- Memory card
- Optional microSD slot (select variants)
ZeroTrace Dongle
The Dongle is the whole HID engine in a bare USB-A stick. It plugs straight into a host port with no cable, and presents only as a HID device, it never mounts as a USB drive.
Processor & memory
- Processor
- ESP32-S3-WROOM-1 (N16R2)
- On-board memory
- 2 MB
- Payload storage
- 10 MB usable, for scripts and payloads
USB & interface
- Form factor
- Bare USB-A male stick, plugs directly into a port
- USB role
- USB HID only (keyboard, mouse, gamepad)
- Mass storage
- None, no removable media to mount
- Control
- ZeroTrace mobile app over Bluetooth LE
- Connectivity
- Bluetooth LE; USB
Local features
- Status light
- 1 RGB status light
- Screen
- None
- Memory card
- None
How the Dongle differs from the full board
The Dongle runs exactly the same firmware and the same ZeroTrace Script language as the full board. The differences are physical:
- Form factor. The Dongle is a bare USB-A stick with no case, no screen and no memory-card slot. The full board can be fitted with an optional display and microSD card.
- Storage model. The Dongle stores payloads in its internal memory only. It has no removable media, so the "storage mode" feature (which exposes a memory card to the host as a USB drive) has nothing to present, the Dongle therefore behaves as a pure HID device and never appears as a disk. Full boards fitted with a microSD card can act as a real USB mass-storage drive on demand.