One step above
in systems development.
bitset Inc. builds embedded systems, IoT solutions, and professional AV devices from Osaka, Japan. We turn complex hardware-software challenges into reliable, purpose-built products.
News
Latest products, events, and company updates.
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AGGRESSOR NETWORK network emulator now on sale
Hardware emulator for packet delay, loss, corruption, reordering, bandwidth limits, and PCAP capture—available from bitset and Amazon Japan.
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Pondashi-kun Video Ver.2 released
New in Ver.2: seek from a chosen position, pause/resume, interlaced/progressive switching, and XInput gamepad support—see the command sheet on bitset.jp.
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Office relocated (Takatsuki)
New address: Royal Takatsuki 2F, 2-14-7 Akutagawa-cho, Takatsuki, Osaka 569-1123, Japan.
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egREC ECHONET Lite packet recorder now on sale
Captures ECHONET Lite (UDP/3610) to PCAP, uploads to Google Drive or USB—analyze remotely with Wireshark.
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ECHOSET ECHONET housing emulator now on sale
Emulate air conditioners, solar, storage, water heaters, and more for controller R&D—¥35,000 (excl. tax), Amazon Japan or direct from bitset.
What We Do
From embedded firmware to network testing hardware, we deliver solutions across the full stack.
Embedded Systems
Custom firmware and hardware design for Raspberry Pi, ARM, and specialized embedded platforms.
IoT Solutions
ECHONET Lite integration, smart home protocol development, and connected device ecosystems.
Software Development
Full-stack applications, system software, and tooling for professional AV and network environments.
Network Testing Tools
Hardware network emulators, packet capture appliances, and QA infrastructure for network products.
AV & Media Systems
Instant audio/video playback devices, digital signage, and multi-monitor presentation systems.
Hardware Design
Custom enclosures, 3D-printed components, and purpose-built hardware for professional deployment.
Our Products
Purpose-built hardware and software trusted by professionals across Japan.
Pondashi-kun Audio
Pro instant audio playback for events—co-developed with recording engineer Mr. Asayama; hardware keypad, USB media, hi-res capable with a USB-DAC.
Learn more Pondashi-kunPondashi-kun Video
Full HD instant video playback with a USB keypad—Ver.2 adds seek, pause, interlaced/progressive toggle, and XInput gamepad support.
Learn more Pondashi-kunPondashi-kun Network
Network-linked Full HD video players—one parent drives many child units over Ethernet (up to 250), made to order.
Learn more Pondashi-kunPondashi-kun Mini
FRISK-sized Full HD video player—power on and it plays; runs from a mobile battery.
Learn more Pondashi-kunPondashi-kun Signage
Turn a standard PC monitor into a looping Full HD signage display—auto-starts on power; add speakers if you need sound.
Learn more HardwareRaspberry Pi Original Case (3.5" LCD)
Nylon case + 3.5" LCD kit for Raspberry Pi B+ / 2B / 3B—designed with Q Products; strong, heat-tolerant, freestanding.
Learn moreOur Philosophy
The principles that guide everything we build.
Appliance Simplicity
機器のシンプルさ
Products should work like dedicated appliances — power on, it works. No babysitting, no general-purpose OS complexity.
Hardware Trust
ハードウェアの信頼性
Physical buttons and dedicated devices give operators tactile feedback and repeatability that software alone cannot match.
Field-Ready Design
現場対応設計
Every product must survive real-world conditions: mobile battery power, harsh environments, and ad-hoc deployments.
Open Standards
オープン標準
PCAP, ECHONET Lite, USB, HDMI — we build on standards so our tools integrate with your existing workflow.
Our Journey
bitset Inc. Founded
Established in Takatsuki, Osaka with a focus on embedded systems and IoT.
Pondashi-kun Audio Launch
First product — instant audio cue playback device for live events.
Pondashi-kun Video & Network
Expanded the line to Full HD video playback and multi-monitor network control.
ECHONET Lite Tools
Released ECHOSET emulator and egREC packet recorder for smart home development.
AGGRESSOR NETWORK
Hardware network emulator for fault simulation and QA testing.
Continuing Innovation
Ongoing product development in embedded, IoT, and professional AV systems.
Technology Stack
The tools and platforms we work with daily.
Ready to build something remarkable?
Let's discuss how bitset can help with your next embedded, IoT, or AV project.