Electronics and Embedded Systems

J2 Holding AB is a Swedish engineering company specializing in electronics development, embedded systems and technical problem solving.

We develop electronics and firmware for industrial, automotive and research applications – from analogue measurement and sensor interfaces to power electronics, communication systems and complete embedded solutions.

Our work ranges from new product development and prototypes to redesign of existing electronics, component obsolescence, troubleshooting and specialized test equipment.

Engineering expertise

Electronics Design

Analogue and digital electronics, sensor interfaces, measurement systems, power electronics and PCB design.

Embedded Systems

Microcontroller-based systems, firmware, communication interfaces, IoT and integration with sensors and industrial equipment.

Prototypes & Production

Prototype development, testing, design for production and manufacture of specialized electronics in small and medium volumes.

Redesign & Obsolescence

Replacement of obsolete components, redesign of legacy electronics and adaptation of existing products to new requirements.

Troubleshooting & Repair

Investigation and repair of industrial, laboratory and research equipment, including systems where original documentation or spare parts are no longer available.

Research & Special Projects

Custom electronics and engineering for research institutes, universities and industrial development projects.

From prototype to long-term support

J2 Holding was founded in 2004 and has since developed into a specialized engineering company. Projects range from one-off research prototypes to industrial electronics that have remained in production and been further developed for many years.

As a small engineering company, we can work directly with the people developing or using the equipment. This is particularly useful for specialized applications where requirements evolve during development or where an existing system needs to be understood before it can be improved.

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