SMALL HARDWARE. REAL POSSIBILITIES.

Your next idea.
Meet Solana.

A little gateway from the physical world to the blockchain. Plug in your device, send a command, and let Soldger Alpha take it from there.

Watch the demo Take a closer look
Built for the things you build.
UART connectedLocally signedSolana Devnet

02ON THE WORKBENCH

Real hardware. A working starting point.

Two boards, a button, and a UART connection. This is the setup behind the demo.

Physical eventUART commandSoldger AlphaSolana

Physical → digital

Devnet prototype

  1. 01

    Push button

    The physical trigger

    Physical input

  2. 02

    ESP32

    Sends the transfer request

    UART · 9,600 baud

  3. 03

    Soldger

    Validates, signs, submits

    Solana JSON-RPC

  4. 04

    Solana Devnet

    Returns a transaction signature

One request travels from the button to the network. The sender holds no private key; Soldger handles local signing and submission.
See the actual prototype
Actual prototype wiring with Soldger, ESP32, button, and breadboard
The workbench setup used for the recorded Devnet demo.

Keep your controller simple.

The sender can be any board that supports UART. Security-sensitive and blockchain responsibilities sit on the gateway side; the architecture identifies the NXP EdgeLock SE051C2 secure element.

Follow the transaction all the way.

Alpha validates the base58 address, converts SOL to lamports with integer arithmetic, and requests a fresh blockhash. Temporary submission failures can retry the same signed transaction up to three times.

04SEE IT IN ACTION

A little more under the hood.

Two moments from the Solana Devnet prototype: the physical input and the on-chain result.

MP4

The physical moment

A button press starts the transfer

MP4

The on-chain result

Follow the transaction on Solana Devnet