WarningOur work
Portfolio
A selection of real projects — from concept sketch to finished hardware.
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Warning Bike
This is a concept design for a futuristic electric bike. It features a sleek and aerodynamic design, with advanced technology integrated into its structure. The bike is designed for urban commuting, offering a sustainable and efficient mode of transportation. It incorporates smart features such as GPS navigation, Bluetooth connectivity, and a digital display for real-time information. The bike's lightweight frame and powerful electric motor make it easy to maneuver through city streets while providing a smooth and comfortable ride.
Autonomous Cart
Autonomous delivery cart with computer vision navigation, built around a Raspberry Pi with custom firmware. Designed for indoor and short-range outdoor logistics.
Smart Glasses for Blind People
The glasses incorporate a camera that captures the surroundings and processes the images using computer vision technology. The processed information is then conveyed to the user through audio feedback, allowing them to navigate their environment more effectively. We had to incorporate a Raspberry Pi Zero into the design to handle the processing of the images captured by the camera. The glasses are designed to be lightweight and comfortable, ensuring that they can be worn for extended periods without causing discomfort. This product received funding and is currently being sold: https://sparkvision.tech/bg/smartglasses/
DJ Pult
Custom DJ controller built for an art museum installation. Features a laser-cut metal front panel, arcade buttons with RGB backlighting, rotary encoders, and custom firmware — all built in-house.
Smart Cyberpunk Radio
Cyberpunk-inspired smart radio combining retro aesthetics with modern electronics. Features Bluetooth connectivity, an ESP32 microcontroller with custom firmware, voice control, and a digital display — all housed in a compact 3D-printed enclosure with neon accents.
Custom IoT PCB
Multi-layer PCB for an IoT sensor node with wireless connectivity and sensor integration.
Heart Rate and Temperature Monitor
A heart rate and temperature monitoring sensor board.
Health Tracking Device PCB
Health tracking watch with heart rate monitoring, sleep tracking, and activity tracking. It is controlled by a Nordic-based custom PCB. The PCB includes accelerometer and gyroscope, heart rate sensor, temperature sensor, SPO2 sensor.
USB charging Module
A custom USB charging module with integrated power management and battery charging capabilities.
NRF52840 module
Custom module for an NRF52840-based wireless sensor node with BLE.
DC-DC converter module
Development board for a modular project
MPU module
Custom module for a microprocessor unit with Accelerometer and Gyroscope.
Analog I/O Boards
This Analog Output Board provides 4 channels of 4–20 mA current-loop outputs for industrial control systems. It uses a 16-bit DAC from Texas Instruments for high-precision analog signaling. The board features an STM32C031C6T6 MCU and supports I²C communication with a master controller.
BLE Media Control
The Bluetooth Media Controller is a compact device that lets users control media playback on any smartphone via BLE. It features 5 tactile buttons for volume, track, and play/pause functions.
CO Monitoring Device
This device features a Carbon Monoxide Sensor to monitor the levels of CO gas in the atmosphere. Along with that, this device monitors temperature and Humidity of the surroundings on an LCD. This device also works as a backup power source to charge mobile devices.
Control and Display Unit
CDU is used to provide a Graphic Interface to the user for controlling attached devices. CDU controls multiple RCUs connected via MIL-STD-1553B Bus Interface.
Flex Cable
This high-performance Flex Cable features an FPC/ZIF connector interface with EMI shielding and polyimide-coated gold fingers. Designed for durability and flexibility, it ensures optimal signal integrity even in tight spaces. Ideal for harsh environments with careful attention to bend radius, material selection, and thermal grading.
Graphic Overlay
This custom-designed Graphic Overlay integrates dome switches (with or without tactile feedback), and IP66 waterproofing for industrial-grade reliability. It features precision embossing, matte-oiled display windows, and branding-aligned graphics. Built for durability, seamless integration, and a clean, user-friendly interface.
GSM Module Board
This GSM Module Board offers reliable GSM, GPRS, and LTE connectivity using uBlox SARA-G340 or SIMCOM A7672 modules. It communicates with host controllers via UART for seamless integration. Ideal for remote monitoring, IoT, and industrial applications.
MIL-STD-1553B Bus Interface
MIL-STD-1553B Bus Interface was developed to communicate between CDU and multiple RCUs. CDU was acting as Bus Controller (BC) and RCUs as Remote Terminals (RTs).
Pedestrian Crossing Button
This device is used to Request To Walk while road crossing on the Intersections. This Button communicate with the Traffic Controller over BLE. All the Button on the intersection communicate over Sub-1 GHz and form a network.
Remote Control Unit
RCU is used to control and configure parameters of different Radio Units (Frequency, volume and mode, etc.). Different RCUs were designed for different radios. All the RCUs transmit Radio parameter settings to CDU as well as take parameter settings from CDU and configure the Radios.
RS485 Board
This RS485 Communication Board enables robust industrial data transmission over long distances using the ADM2682 isolated transceiver. It supports half/full duplex communication and ±15 kV ESD protection. An STM32C031C6T6 MCU handles control, with an I²C interface for host integration.
Smart Lock
The Smart Lock is a device for the Bicycle Parking Allocation System in public spaces. Users can reserve parking slots through a Mobile App or Web Interface. Upon arrival, they can lock or unlock their slot using Bluetooth or NFC, ensuring a secure and efficient parking experience.
System Bus Gateway
The Gateway connects to the System Bus and is specially designed for natural gas measurement applications. Applications are the conversion of protocols (e.g. from Modbus to DSfG), bus access to a system bus as a local revision interface or comprehensive (DSfG) data transmission for Ethernet (LAN), GPRS or modem connection.
Traffic Controller
This is a SOM-based design featuring the SOM DART-6UL (i.MX 6UltraLite-based) by Variscite, equipped with all primary and custom interfaces such as Ethernet, USB Type-C, Wi-Fi, SDLC, PLCC, and sub-1 GHz and 2.4-GHz wireless host microcontroller.
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