Requirements into circuits
Translate power, sensing, motor control, communications, protection, and user-interface needs into an electrical architecture. Select the key components and establish the BOM and interfaces before routing.
Electronics design & engineering
Sense it.
Power it.
Connect it.
Circuits and boards built around what your product needs to do—from a breadboard proof of concept to a documented, testable PCBA.
We connect electrical architecture, mechanical packaging, firmware, and practical testing early, so the board can become part of a working product.
01 / Architecture first
More than a PCB layout.
Power rails, grounding, protection, signal paths, interfaces, and control logic determine whether the product can operate reliably.
Power, signals, and the enclosure
Consider battery life, power conversion, noise, ADC accuracy, EMI, RF paths, and sensor placement. Account for heat, vibration, grounding, and the effect a metal enclosure can have on wireless performance.
Integration while the layout can change
Coordinate PCB shape, connectors, mounting, antenna keep-outs, return paths, and component heights with the mechanical design. Plan firmware hooks and diagnostic access alongside the hardware.
Cost and a path forward
Compare custom circuits, modules, and off-the-shelf parts against your cost and performance targets. Review availability, alternatives, lifecycle, and planned upgrades. Identify specialist requirements before committing to the architecture.
02 / Technical scope
The building blocks of a device.
Technology selection follows the requirements. The scope identifies what GSG designs, assembles, and tests and where a manufacturing partner or specialist is needed.
Hardware Architecture & Board Design
- Circuit board design (PCB)
- Power electronics, FPGA, and RF design
- Battery and power design (including battery management)
- Breadboard prototyping
- Circuit design and schematic capture
- Multi-layer PCB
- High-speed PCB
- Flex PCB
- Mixed-signal PCB
- Rigid-flex PCB
- Radio-frequency PCB
- High-density interconnect PCB
- Wireless charging
Sensors, Controls & Interfaces
- Sensor, motor, and actuator control
- Advanced sensor integration
- Connected IoT device hardware
- Test interface prototyping
- Gesture and touch interfaces
Wireless & RF
- Wireless connectivity
- Short-range wireless hardware
- Mesh networking hardware integration
- Wi-Fi
- BLE
- Bluetooth
- LoRa
- LoRaWAN
- NB-IoT
- 3G / 4G
- GPS
- GPRS
- NFC
- RFID
- SubGHz
- UWB
- Thread
- Zigbee
Verification & Testing
- Hardware feature debugging
- Hardware failure mode assessment
- Third-party compliance & test coordination
Simulation and signal engineering
- Signal integrity
- Power integrity
- High-frequency simulation
- Thermal calculations
- EMI analysis
- Vibration analysis
- Electric circuit simulation
- High-current path review
- Grounding and filtering
Embedded systems and control
- MCU
- MPU
- DSP
- CPLD
- PLC
- PID controller
- SCADA systems
- HMI
- Board support package
- Embedded Linux
Interfaces
- USB
- SPI
- I2C
- UART
- ADC
- DAC
- I2S
- CAN
- Ethernet
- SDIO
- PCI
- HDMI
- LVDS
- RS-232 / RS-485
- 1-Wire
- MIPI
- CSI
- DSI
- FMC
- Parallel
Sensors, vision, and identification
- Temperature sensors
- Pressure sensors
- Airflow sensors
- CO₂ sensors
- IMU
- Capacitive sensors
- Camera modules
- Machine vision
- CMOS sensors
- LiDAR
- QR code readers
- Fingerprint scanners
- Face recognition
We fabricate suitable small single- and double-sided prototype boards in-house. Multilayer, higher-speed, and more demanding fabrication goes to a PCB manufacturing partner; surface-mount and through-hole assembly and integration can be performed in the shop. Cellular and other network choices are checked for the intended deployment.
A Electrical and electronics design and engineering
13 services
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Embedded systems prototyping
Arduino, Raspberry Pi, BeagleBone, STM32, ATtiny, ESP32, ESP8266, nRF52, and various PLC and FPGA platforms.
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Sensor and actuator integration
Incorporating sensors for data collection, and electronic and mechanical outputs that interact with the user, the environment, or other devices.
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Wired and wireless communication
Integration of WiFi, Bluetooth, LoRa, Zigbee, RS232 and RS485, and other protocols.
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Gateway development
Gateways for managing data from multiple sensors and devices.
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Cloud and edge integration
Cloud services or edge computing devices for data collection, analysis, and remote monitoring.
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Prototyping assembly
Surface-mount and through-hole soldering, plus low-volume manufacturing of assembled prototypes for testing.
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Embedded firmware development
Secure, efficient firmware written for the part you are actually shipping.
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Mobile and web applications
Companion applications for remote control or device monitoring.
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AI and ML for embedded systems
Edge inference with Edge Impulse.
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Embedded vulnerability assessment and penetration testing
Cyber and physical assessment of embedded and Internet of Things devices. See our security lab for the full practice.
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Circuit design and schematic capture
From block diagram through reviewed schematic.
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PCB design and manufacturing
Small single and double-sided boards with low-speed, low-power signals (under 1 GHz, a few amps maximum) fabricated in-house. Larger multilayer and higher-speed boards designed here and manufactured by a PCB partner such as OSH Park or DirtyPCBs. Surface mount and through-hole assembly onto third-party boards done in-house.
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Electronic and mechanical integration
The two halves assembled and made to agree with each other.
◫ Try the bench
Working tools, right on the page.
The same offline-first approach as our field instruments, shrunk to a single task. These run entirely in your browser. Nothing is sent anywhere.
Resistor decoder
4 & 5 band
Ohm's law
V I R P
Voltage divider
Vout
RC filter corner
fc
Need the full versions? The free toolkits carry 171 field instruments like these.
03 / From architecture to hardware
A board earns its next revision.
Each stage produces evidence that guides the next design decision. Existing hardware can enter at the appropriate point after review.
- 01
Proof of concept
Is the architecture viable?
Development boards, evaluation kits, breadboards, an early schematic, or a rapid PCB demonstrate the core sensing, control, power, or communication principle.
Focus: Component selection, power rails, sensor approach, interfaces, and architecture risks.
What you receive: A proof of principle and a record of the remaining technical questions.
- 02
Functional PCB prototype
Does it work on custom hardware?
An assembled engineering board powers up, responds to peripherals, and performs the core operating modes on the intended hardware.
Focus: Schematic design, layout, bring-up, signal behavior, power stability, and peripheral tests.
What you receive: The prototype PCBA, design files, and bring-up findings.
- 03
Engineering validation unit
Does it work as part of the product?
Electronics are integrated with the enclosure, mechanics, firmware, and interfaces for full workflows under controlled, realistic conditions.
Focus: Integration tests, thermal behavior, EMI risks, DFM/DFT updates, BOM refinement, and debugging.
What you receive: Integrated test evidence and changes needed before the next revision.
- 04
Pilot-ready device
Can repeated samples be built and tested?
A revised board and defined programming, assembly, power-up, and test workflow prepare the design for a pilot run.
Focus: Manufacturing readiness, production tests, QA workflow, documentation, and supplier transfer.
What you receive: Production files, a refined BOM, flashing procedures, and test instructions.
04 / Bring-up & diagnostics
Design for the first power-up.
Test points, programming connectors, debug access, and firmware diagnostics make it easier to separate a hardware problem from a software or integration problem.
Check the expensive risks early
Give power rails, RF paths, analog signals, high-current circuits, and critical interfaces extra attention before committing to PCB manufacture.
Assemble and exercise the board
Inspect parts and assembly, plan safe power-up, flash the agreed firmware, and measure the behavior of rails, sensors, peripherals, controls, and communications.
Test the complete assembly
Verify mechanical fit, power, controls, connectivity, and hardware functionality after installation in the enclosure. Document configurations and conditions so findings can be reproduced.
Prepare for repeatability
Use manufacturer constraints to refine fabrication and assembly data, test access, component alternatives, and production checks. Coordinate external tests when the scope calls for them.
Hardware prototypes can include focused diagnostic or demonstration firmware. For complete application behavior, companion apps, cloud connections, or update mechanisms, see Firmware & software.
05 / Your next build
A complete engineering trail.
Your agreed deliverables make the design understandable and transferable to the next engineer, assembler, or manufacturing supplier.
- Editable design: schematics, PCB layout, electrical architecture, interface definitions, and pin maps.
- Manufacturing information: BOM, Gerbers, drill files, assembly data, DFM/DFT notes, and agreed component alternatives.
- Prototype and test records: assembled hardware, bring-up measurements, debug reports, and known limitations.
- Operation and production: setup guide, firmware flashing or provisioning steps where included, and production-test requirements.
- Supplier transfer: sourcing notes, design changes, and the unresolved items needed for the next manufacturing step.
Ownership and licensing are defined in the engagement, including third-party components and software. Explore how we scope the work.
Ready when you are
Bring the question.
Let’s build the next step.
An idea, a drawing, a stubborn problem, or a prototype that needs another set of eyes. Tell us where you are and what you need to learn.
Schedule a consultation