Embedded firmware
Microcontroller application code, state machines, timing-critical behaviour, control logic, peripheral interfaces, startup sequences, hardware abstraction, watchdog handling, configuration, and fault recovery.
Software & firmware
Purpose-built software
MitchElectronics develops embedded firmware, backend systems, APIs, databases, and engineering tools with an emphasis on clear architecture, controlled data flow, security, and long-term maintainability. The aim is not simply to make software work, but to make it understandable, predictable, and appropriate for the product around it.
Capabilities
Software across the electronics stack.
Modern electronic products often extend well beyond the PCB. We can develop the firmware running on the device, the services receiving its data, the database behind those services, and the engineering tools used to configure, test, diagnose, or manufacture it.
Interfaces & protocols
Sensor integration, serial interfaces, device drivers, command protocols, packet formats, data validation, communications state handling, and reliable transfer between devices and systems.
Backend systems
Purpose-built APIs, databases, server-side services, authentication, permissions, data processing, management systems, and infrastructure designed around clearly defined responsibilities and controlled access.
Automation & engineering tools
Production utilities, test software, diagnostic interfaces, configuration tools, data processors, reporting systems, and software for eliminating repetitive or error-prone engineering tasks.
Engineering approach
Architecture first. Features second.
Software becomes difficult to maintain when responsibilities blur together. We prefer systems built from well-defined components with clear boundaries, predictable interfaces, deliberate data ownership, and as little hidden behaviour as possible.
Clear architectural boundaries
Hardware access, application logic, communications, storage, authentication, APIs, and presentation should have distinct responsibilities. Keeping those concerns separated makes faults easier to isolate and future changes easier to reason about.
Controlled data flow
Data should enter through known paths, be validated before use, move through explicit interfaces, and be stored in forms suited to its purpose. Inputs are treated as untrusted until checked, while internal state is kept deliberate and traceable.
Defensive behaviour
Systems are designed around more than the successful path. Invalid data, missing hardware, communications failures, unexpected states, duplicate requests, timeout conditions, partial operations, and recoverable faults all need defined behaviour.
Readable, inspectable systems
Sensible naming, small interfaces, explicit dependencies, useful logging, structured errors, and focused documentation make it possible to understand what the system is doing without having to reverse-engineer a maze of framework behaviour.
Security
Reduce the number of places where things can go wrong.
Security is strongest when it is part of the architecture rather than something added after development. The objective is to keep exposed interfaces narrow, validate requests early, enforce permissions consistently, and prevent untrusted data from reaching sensitive operations unchecked.
Narrow entry points
Where practical, external access is concentrated through a small number of controlled interfaces instead of exposing unrelated functions across many independent endpoints.
Authentication & permissions
Authentication establishes identity; permissions decide what that identity can actually do. Sensitive operations should enforce those rules at the point where the operation is performed.
Validation at boundaries
Requests, parameters, uploaded data, protocol messages, database values, and external responses are checked before being trusted or passed deeper into the system.
Minimal attack surface
Unnecessary services, dependencies, exposed functions, writable paths, and privileged operations are avoided. Simpler systems are generally easier to inspect, test, secure, and maintain.
Purpose-built systems
Use the smallest sensible solution.
Large frameworks and platforms can be useful, but they should earn their place. A product should not inherit thousands of unused features, dependencies, background behaviours, or security assumptions simply because they came bundled with the chosen software stack.
Avoid unnecessary complexity
If a focused service, small library, or straightforward application can solve the problem cleanly, there may be little value in introducing a much larger platform around it.
Understand the dependencies
Third-party components are used where they provide genuine value, but dependencies should be deliberate rather than accumulated casually. Every dependency introduces behaviour, maintenance, compatibility, and security considerations.
Keep control of the important paths
Authentication, permission checks, data validation, persistence, communications, and critical device behaviour should remain understandable rather than disappearing behind layers of opaque abstraction.
Design for future change
A good architecture makes it possible to replace one component, protocol, storage system, interface, or piece of hardware without forcing the entire product to be rebuilt around it.
Useful when
The system works, but the architecture is starting to fight back.
Many projects reach a point where prototype decisions, accumulated dependencies, weak boundaries, or unclear data flow begin making every new feature harder than the last.
New firmware or software development
A product needs a clean implementation built around its actual hardware, interfaces, security requirements, and operational behaviour.
Prototype-to-production engineering
Working proof-of-concept code needs clearer structure, stronger validation, predictable failure handling, documentation, and maintainability.
Backend or API redesign
An existing system has grown into too many endpoints, unclear permissions, duplicated logic, weak data boundaries, or difficult-to-maintain services.
Engineering automation
Manual test, programming, configuration, analysis, manufacturing, or data-processing tasks need a repeatable and reliable software workflow.
Connected services
Software should be designed with the product, not beside it.
Firmware, electronics, production tooling, databases, and external services often share the same assumptions. Treating them as parts of one system can prevent integration problems from being discovered only after the design is already committed.
Electronics Design
Coordinate firmware architecture with processor selection, interfaces, power, memory, sensors, communications, programming, and test access.
Manufacturing Support
Connect firmware programming, serialisation, configuration, test software, traceability, and production data to the manufacturing process.
Education & Custom Kits
Create supporting applications, firmware, simulations, diagnostic tools, and technical examples for teaching hardware or custom training systems.
Start with the system
Tell us what it needs to do, what it talks to, and what must never go wrong.
Send the hardware details, existing source code, protocols, data requirements, security concerns, or simply the intended behaviour. We can help turn that into a software architecture that is practical to build, test, understand, and maintain.