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Get a real-time quoteFirmware and electronics for connected devices
LopTech designs firmware and electronics for connected devices: wireless sensors, wearables, battery-powered IoT products and industrial monitoring hardware. We work on ESP32, Nordic nRF52/53/54 and STM32, with Zephyr, ESP-IDF and FreeRTOS, and we design the schematic, PCB layout and enclosure alongside the firmware so the device ships as one unit.
The two senior engineers you talk to are the two who build it. Every engagement starts with a fixed-price Feasibility Sprint: one week on your device, and you own the architecture, bill of materials, risk list and quote at the end. From there we take products through prototype, pre-compliance (CE, FCC) and into production, including OTA updates and factory test jigs.
Based in Novi Sad, Serbia, working in CET with clients in the EU, UK and US. Full IP transfer, NDA before the first call, weekly demos and written status.
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Min project size
$5,000+
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Hourly rate
$50 - $99 / hr
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Employees
2 - 9
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Year founded
Founded 2025
Service Lines
- Computer Engineering
- 20%
- IoT Development
- 20%
- Product Design
- 20%
Industries
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Clients
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Our Story
LopTech is two senior engineers, Stevan Stević (firmware) and Vladimir Kostić (hardware), based in Novi Sad, Serbia. We build connected devices end to end: firmware, schematic, PCB and enclosure, designed together so the product ships as one unit. The people you talk to are the people who build it. We give weekly demos and written status, sign an NDA before the first call, and transfer full IP. Our goal is hardware that reaches production and keeps working in the field.
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