Precision Embedded Systems, Firmware & IoT Product Engineering
Backed by our expert engineering team, Aarohi Tech Lab develops production-grade firmware, custom PCB hardware, and wireless IoT products for innovators, startups, and industrial leaders worldwide.
Aarohi Tech Lab
Full-Lifecycle Engineering Capabilities
- Embedded C/C++ firmware & real-time RTOS architectures
- Schematic capture, multi-layer PCB layout & hardware bring-up
- Wireless IoT protocols: BLE, Wi-Fi, MQTT, LoRaWAN & Cellular
- Interactive touchscreen user interfaces (LVGL, TouchGFX)
- Rigorous bench validation, logic analyzer & oscilloscope checks
- 100% IP ownership handover, clean code & strict NDA protection
Complete source code, Altium schematics & IP transfer
Flawless engineering delivery & client satisfaction
Firmware, custom PCB hardware & IoT devices shipped
Trusted by founders in USA, Europe, UK, and Asia
An Elite Embedded Engineering Studio Built for Reliable Hardware & Connected Devices
Aarohi Tech Lab was established to provide companies worldwide with world-class embedded firmware architecture, custom PCB design, and IoT product engineering.
When you collaborate with us, you partner with a dedicated, hands-on engineering lab that takes full ownership of your technical challenges — from initial breadboard bring-up to volume manufacturing firmware.
Engineering Excellence & Deep Technical Mastery
Every project is architected and overseen by our senior engineering team, bringing extensive depth in embedded C/C++, ARM Cortex, ESP-IDF, FreeRTOS, and industrial IoT hardware.
Agile Consulting Backed by a Dedicated Hardware Lab
Clients enjoy direct, highly responsive communication with a senior engineer, backed by Aarohi Tech Lab's hardware prototyping, testing benches, and PCB assembly resources.
100% Intellectual Property & NDA Protection
We sign strict mutual non-disclosure agreements before project kick-off. All source code, schematics, PCB layout files, and documentation belong completely to the client upon milestone delivery.
Production-Grade Code & Bench-Tested Prototypes
We don't just deliver code that compiles — we validate real-world timings using logic analyzers, digital oscilloscopes, and thermal monitoring to prevent in-field regressions.
Transparent Milestones & Delivery Guarantees
Work is broken into clear, verifiable milestones with regular video demonstrations, git commits, and direct engineering access throughout the project lifecycle.
Meet the Founder & CEO
Leading Aarohi Tech Lab's mission to engineer deterministic firmware, custom hardware, and scalable IoT products with uncompromising reliability.
Haresh Sondagar
Founder and CEO
“At Aarohi Tech Lab, our vision has always been to build embedded systems with absolute reliability. We treat every client's product as if our own name is etched into the silicon — combining rigorous electrical validation, clean RTOS architecture, and total transparency from day one.”
As Founder and CEO of Aarohi Tech Lab, Haresh Sondagar directs the laboratory's hardware architecture, multi-layer PCB layout standards, and firmware engineering pipelines. Under his leadership, the studio has delivered over 50+ successful embedded and IoT projects for innovative startups, OEM manufacturers, and enterprises across the USA, Europe, the UK, and Asia.
Full-Spectrum Embedded Systems & IoT Services
Aarohi Tech Lab provides end-to-end hardware and software delivery. Whether you need an elite firmware specialist or complete prototype-to-production execution, we deliver with proven 5.0-star quality.
Embedded Firmware & RTOS Engineering
Architect and implement robust, deterministic firmware in Embedded C and C++. Deep expertise with FreeRTOS, ESP-IDF, Zephyr, and bare-metal architectures with real-time multi-tasking, custom drivers, and memory optimization.
IoT Wireless Connectivity & Protocols
End-to-end wireless engineering connecting field devices to mobile apps and enterprise gateways. From ultra-low power BLE beacons to long-range industrial sensor networks and cellular telemetry.
Cloud IoT Platform & Web Integration
Bridge physical hardware with the cloud. Design end-to-end telemetry pipelines, device shadow synchronization, automated fleet OTA firmware rollouts, and custom browser dashboards for monitoring.
Embedded GUI & Display Interfaces
Create responsive, fluid 60 FPS graphical user interfaces on microcontrollers. Advanced expertise with TouchGFX on STM32 and LVGL across ESP32, integrating capacitive and resistive touchscreens.
Hardware Engineering & Custom PCB Design
Complete hardware design from circuit concept to assembled prototype. Schematic capture, multi-layer high-speed PCB layout with controlled impedance, DFM/DFA compliance, and prototype bring-up.
Industrial Automation & Sensor Systems
Design ruggedized instrumentation for challenging industrial, agricultural, and energy environments. Creators of the flagship Kon-Tiki Biochar Kiln Wireless Temperature Monitoring System.
Have a custom embedded or IoT project in mind?
Partner with Aarohi Tech Lab for turnkey engineering delivery, rapid prototyping, and full IP transfer.
Featured Projects & Custom Engineering Solutions
A portfolio of production-grade embedded firmware, connected IoT hardware, and custom instrumentation shipped by Aarohi Tech Lab for global clients.
Kon-Tiki Biochar Kiln Wireless IoT Sensor & Gateway
Engineered an industrial-grade high-temperature wireless monitoring system for Kon-Tiki flame-cap biochar kilns. Includes heavy-duty stainless steel insertion probes (up to 1000°C+), a long-range wireless RF transmitter node placed safely outside radiant heat, and a dedicated 2.8" color touchscreen gateway with tamper-proof digital audit logging for carbon credit certificates.
ESP32-S3 Cloud Telemetry & Fleet Gateway
Developed production firmware for an ESP32-S3 dual-core gateway collecting sensor telemetry across 32 machine nodes. Implemented mutual TLS authentication with AWS IoT Core, encrypted local non-volatile storage, Wi-Fi fallback to cellular, and a zero-downtime dual-bank OTA firmware update architecture.
STM32 TouchGFX & LVGL Industrial HMI Console
Architected a responsive, 60 FPS graphical user interface on STM32F4/F7 microcontrollers using TouchGFX and LVGL. The system handles live sensor trend graph plotting, multi-page machine settings, alarms, and dual CAN bus engine/hydraulic telemetry integration.
Nordic nRF52 BLE Asset Tracker & Sensor Beacon
Engineered firmware and hardware for a miniature coin-cell asset beacon utilizing the Nordic nRF52840 SoC. Achieved ultra-low sleep currents below 8 µA, supporting 14+ months of continuous field operation with 3-axis accelerometer motion wake-up and custom encrypted BLE GATT advertising.
Smart Motor Protection & Energy Telemetry Unit
Created an embedded monitoring device for 3-phase industrial induction motors. Features true RMS voltage/current sampling, thermal overload protection algorithms, isolated RS485 Modbus RTU communication, and instantaneous fault lockout.
High-Density 4-Layer PCB & Rapid Prototyping
Designed and fabricated custom 4-layer impedance-controlled printed circuit boards for compact consumer and industrial IoT products. Integrated USB-C Power Delivery, Li-ion charging management, RF antenna layout, and complete laboratory bench bring-up.
Need custom hardware or firmware engineering for your connected product?
A Disciplined Engineering Process from Concept to Deployment
We bring structure, transparency, and rigorous validation to every phase of hardware and firmware development.
Understand Constraints
Clarify power budgets, MCU specs, latency requirements, mechanical limits, and user experience goals before coding.
Architect Firmware
Design modular task flows, state machines, driver abstractions, and communication protocols for long-term reliability.
Build & Validate
Write clean C/C++, execute logic analyzer and oscilloscope hardware checks, stress test, and debug real-world edge cases.
Deploy & Support
Provide manufacturing flashing workflows, documentation, field update strategies, and ongoing production iteration.
Trusted by Founders, CTOs, and Engineering Teams Worldwide
Every client engagement at Aarohi Tech Lab is backed by a 100% commitment to engineering excellence, reproducible code quality, and strict NDA/IP confidentiality.
Operating with a flawless 5.0 / 5.0 client satisfaction rating across enterprise and startup hardware contracts in the USA, Europe, UK, and Asia.
“Extremely knowledgeable in embedded development. Professional, kind, and always accommodating to our project requirements. Solved complex communication and firmware stability challenges effortlessly.”
“Their technical depth and dedication made a strong difference in our firmware and product support work. Aarohi Tech Lab delivers clean, robust code that stands up to heavy industrial environments.”
“Their attention to detail and commitment to engineering quality set them apart in embedded firmware solutions. Delivered our ESP32 IoT connectivity stack and BLE pipelines ahead of schedule.”
“The Aarohi Tech Lab team are top-tier embedded systems architects. They built our Modbus RTU-to-MQTT telemetry gateway from scratch with rock-solid OTA updates and encrypted AWS IoT payloads.”
“Outstanding work on our Nordic nRF52 ultra-low-power BLE sensor device. Reached sub-15µA deep sleep, custom GATT profiles, and seamless Android/iOS pairing. Truly world-class engineering.”
“Exceptional GUI performance on STM32! They implemented our entire LVGL & TouchGFX interface running at a silky smooth 60fps with responsive touch controls, integrated into FreeRTOS tasks flawlessly.”
Partners and Brands Who Value Engineering Quality
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