From Prototype to Connected Product
ISDG, LLC combines hardware layout, embedded systems, firmware, wireless networking, and in-house digital fabrication, so a product can move from idea to testable system without waiting on a dozen separate vendors.
Printed Circuit Board (PCB) Design
High-reliability schematic capture and multilayer board layout
Schematic & Power Architecture
Component selection, precise power budget calculations, circuit protection (ESD/TVS), and schematics design geared for noise isolation and thermal performance.
Multilayer Layout Routing
From 2-layer utility boards to dense 4, 6, and 8-layer PCBs with impedance-controlled differential routing for high-speed signals (USB, Ethernet, RF feedlines).
Wireless & RF Integrations
Custom PCB antenna feeds, antenna matching networks, and chip-on-board module integration for Bluetooth Low Energy (BLE), Wi-Fi, and sub-GHz radios.
Design for Manufacture (DFM)
Optimization of trace widths, annular rings, via placements, and panelization layouts to ensure high yield assembly at modern pick-and-place domestic and offshore board houses.
Embedded Systems & Firmware
Fail-safe and low-overhead software written in C, C++20, and Rust
MCU Platforms
Deep expertise with STM32 (ARM Cortex-M), ESP32 (Xtensa/RISC-V), Nordic Semiconductor (nRF52/nRF53 series), AVR, and PIC processors.
RTOS & Event loops
Implementation of lightweight bare-metal loops or multi-threaded environments utilizing FreeRTOS, Zephyr RTOS, or custom micro-schedulers.
Peripherals & Protocols
Custom driver development for peripheral communication (I2C, SPI, UART, CAN, Modbus) and analog data acquisition (ADC/DAC interfaces).
Bootloaders & Secure OTA
Fail-safe, dual-bank over-the-air (OTA) remote update architectures and secure boot routines to preserve long-term operational integrity.
Additive & Subtractive Digital Fabrication
In-house mechanical fabrication for rapid physical prototyping loops
Additive Manufacturing (3D Printing)
Precision FDM and SLA prints optimized for mechanical enclosure housings, assembly fixtures, and structural parts utilizing standard, engineering-grade, and carbon-fiber composite materials.
Subtractive Manufacturing
Precision CNC milling of acrylics, carbon fiber plates, soft metals (aluminum, brass) and custom laser cutting/engraving of gaskets, panels, stencils, and front-plate interface mounts.
In-house Material Coverage
Standard
PLA, PETG, ABS, ASA, TPU 95A and 90A
Engineering
PC, PA, PPA, high-impact and heat-resistant materials
Reinforced
PLA-CF, PETG-CF, ABS-CF, ASA-CF, PA-CF, PAHT-CF, PET-CF, PPA-CF
Support
PLA/PETG breakaway support, Support W, Support G, PVA
End-to-End System Integration
Unifying hardware, firmware, edge nodes, and cloud backends
Enclosure Design
Designing physical housings in CAD that accommodate the custom PCB assembly, battery layouts, ports, and internal brackets.
Gateway Deployment
Deploying edge gateway nodes (running embedded Linux/Yocto) that aggregate local wireless device data and route it securely downstream.
Kalos Backend Link
Writing and configuring ADL schemas on the server side to receive, validate, and store incoming sensor and event telemetry into SQL databases.
Companion Interfaces
Developing Web Console panels (built on Preact) or companion mobile apps to configure, monitor, and provision hardware in the field.
Have an engineering build in mind?
Tell us about the device, firmware application, or physical prototype problem you are working on.
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