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  1. Home
  2. Industrial Electrical Equipment
  3. Circuit Design, Inc.
  4. New Products: Dokodemo Demu, Dokodemo Demu Mini "Programmable wireless unit developed with the concept of enabling data transmission anywhere, equipped with analog and digital I/O ports."
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  • May 22, 2025
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May 22, 2025

New Products: Dokodemo Demu, Dokodemo Demu Mini "Programmable wireless unit developed with the concept of enabling data transmission anywhere, equipped with analog and digital I/O ports."

Circuit Design, Inc. Circuit Design, Inc.
Significantly reduce the development man-hours for hardware and greatly shorten the time from development to deployment. It is designed to be ready for immediate use. This product is particularly suitable for prototyping in small lots. The software can be developed to match specific applications, allowing for detailed customization to specifications. There are two types: Dokodemo Demu and Dokodemo Demu Mini, each equipped with a compact model featuring a LoRa wireless module and an LTE model with LTE-M. Product names: DM-100, DM-200, DM-300, DM-400. For details such as sales prices, please refer to each product page.
Doko demo de mu DM-100/DM-200
Doko demo de mu DM-100/DM-200
Anywhere mini DM-300/DM-400
Anywhere mini DM-300/DM-400
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Anywhere, a modem that can transmit wireless data just by connecting devices and sensors Anywhere de mu Special Small Model DM-100
Anywhere de mu Special Small Model (DM-100) is a programmable wireless unit equipped with the "MLR-429," a specific low-power wireless module compatible with LoRa from Circuit Design. It features an ESP32 microcontroller from Espressif System (with WiFi/Bluetooth built-in) and includes input/output ports and a temperature and humidity/pressure sensor (BME280).
Anywhere, a modem that can transmit wireless data just by connecting devices and sensors Anywhere de mu LTE-M Model DM-200
Anywhere de mu LTE-M Model (DM-200) is a programmable wireless unit equipped with the "LTM-1," a wireless module from Circuit Design. It features an ESP32 microcontroller from Espressif System (with WiFi/Bluetooth built-in) and includes input/output ports and a temperature and humidity/pressure sensor (BME280).
Anywhere, a modem that can transmit wireless data just by connecting devices and sensors Anywhere de mu mini Special Small Model DM-300
Anywhere de mu mini Special Small Model (DM-300) is a programmable wireless unit equipped with the "MLR-429," a specific low-power wireless module compatible with LoRa from Circuit Design. It features a SAMD21G18 (ARM Cortex-M0) microcontroller and includes input/output ports and a temperature and humidity/pressure sensor (BME280).
Anywhere, a modem that can transmit wireless data just by connecting devices and sensors Anywhere de mu mini LTE-M Model DM-400
Anywhere de mu mini Special Small Model (DM-400) is a programmable wireless unit equipped with the "LTM-1," an LTE-M wireless module from Circuit Design. It features a SAMD21G18 (ARM Cortex-M0) microcontroller and includes input/output ports and a temperature and humidity/pressure sensor (BME280).

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dm-100-front.png

Anywhere Demu Mini Model

Programmable wireless unit equipped with analog and digital I/O ports, developed with the concept of enabling data transmission anywhere.

The "Dokodemo Demu" compact model (DM-100) is a programmable wireless unit equipped with the "MLR-429," a specific low-power wireless module compatible with LoRa from Circuit Design. It features an Espressif System ESP32 microcontroller (which has built-in WiFi/Bluetooth) along with input/output ports and a temperature, humidity, and pressure sensor (BME280). The program for this product is intended to be created, tested, and written by the customer themselves for operation. Please ensure thorough operation verification of the entire system, including wireless communication. The Arduino bootloader has been pre-installed, allowing you to program it immediately in the Arduino environment after purchase. In addition to the compact model equipped with the MLR-429 wireless module, "Dokodemo Demu" also offers an "LTE-M model" equipped with the LTE-M wireless module LTM-1. What is "Dokodemo Demu"? How did it come to be? https://www.circuitdesign.jp/blog/what-is-docodemodem/ *For more details, please refer to the related links or feel free to contact us.

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  • Other embedded systems (software and hardware)

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dm-200-front.png

Anywhere LTE model

Programmable wireless unit equipped with analog and digital I/O ports, developed with the concept of enabling data transmission anywhere.

The Dokodemo Demu LTE-M model (DM-200) is a programmable wireless unit equipped with the Circuit Design wireless module "LTM-1." It features an Espressif System ESP32 microcontroller (which has built-in WiFi/Bluetooth) and includes input/output ports as well as a temperature and humidity/pressure sensor (BME280). The program for this product is intended to be created, tested, and written by the customer themselves for operation. Please ensure thorough operation confirmation of the entire system, including wireless communication. The Arduino bootloader has been pre-installed, allowing you to program it immediately in the Arduino environment after purchase. In addition to the LTE-M small model equipped with the wireless module LTM-1, Dokodemo Demu also offers a "small model" equipped with the specific low-power wireless module MLR-429. What is 'Dokodemo Demu'? How did it come to be? https://www.circuitdesign.jp/blog/what-is-docodemodem/ *For more details, please refer to the related links or feel free to contact us.

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  • Other embedded systems (software and hardware)

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dm-300-front.png

Anywhere Mini Small Model

Programmable wireless unit equipped with analog and digital I/O ports, developed with the concept of enabling data transmission anywhere.

The Dokodemo Demu Mini, a small model (DM-300), is a programmable wireless unit equipped with the MLR-429, a low-power wireless module compatible with LoRa from Circuit Design. It features a SAMD21G18 microcontroller (ARM Cortex-M0), input/output ports, and a temperature, humidity, and pressure sensor (BME280). The program for this product is designed to be created, tested, and written by the customer themselves for operation. Please ensure thorough operation verification of the entire system, including wireless communication. The Arduino bootloader is pre-installed, allowing you to program it immediately in the Arduino environment after purchase. In addition to the small model equipped with the MLR-429 wireless module, the Dokodemo Demu Mini also has an "LTE-M model" equipped with the LTE-M wireless module LTM-1. What is "Dokodemo Demu"? How did it come to be? https://www.circuitdesign.jp/blog/what-is-docodemodem/ *For more details, please refer to the related links or feel free to contact us.

  • Remote Control
  • Communications
  • Other embedded systems (software and hardware)

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dm-400-front.png

Anywhere de mu mini LTE-M model

Programmable wireless unit equipped with analog and digital I/O ports, developed with the concept of enabling data transmission anywhere.

The Dokodemo Demu Mini compact model (DM-400) is a programmable wireless unit equipped with the Circuit Design LTE-M wireless module "LTM-1." It features a SAMD21G18 microcontroller (ARM Cortex-M0), input/output ports, and a temperature, humidity, and pressure sensor (BME280). The program for this product is intended to be created, tested, and written by the customer themselves for operation. Please ensure thorough operation confirmation of the entire system, including wireless communication. The Arduino bootloader has been pre-installed, so you can program it immediately in the Arduino environment after purchase. In addition to the LTE-M model equipped with the wireless module LTM-1, the Dokodemo Demu Mini also has a "compact model" equipped with the specific low-power wireless module MLR-429. What is "Dokodemo Demu"? How did it come to be? https://www.circuitdesign.jp/blog/what-is-docodemodem/ *For more details, please refer to the related links or feel free to contact us.

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  • Other embedded systems (software and hardware)

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Related catalog(1)

Data Transmission Wireless Unit "Doko Demo De Mu"

Data Transmission Wireless Unit "Doko Demo De Mu"

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Circuit Design, Inc.
Industrial Electrical Equipment
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[Catalog] Glass Tube Area Flow Meter / Metal Tube Area Flow Meter (Revised Edition)

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Variable Area Flowmeters Reliable quality designed to world standards When measuring the flow of high-pressure or high-temperature liquids and gases that are not suitable for plastic, our robust "glass tube variable area flowmeter (rotameter)" allows for more accurate flow measurement. It offers a wider flow range and is suitable for various liquids and gases! Contents ■ Glass tube variable area flowmeters / Metal tube variable area flowmeter lineup ■ Custom design solutions ■ Accessories & replacement parts ■ Support for technical documentation and compliance with various regulatory requirements ■ Services and support, etc.

Feb 06, 2026

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■■ Leak test for pouch containers such as packed rice! | MSQ-2003 series ■■ Packaging container air leak test device, pinhole inspection device, and full inspection device.

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The pinhole inspection for packaging engineering is fully automated, eliminating packaging defects based on certain quality standards. The judgment results and operational status can be managed via a monitor screen. - Quantitative management of quality standards for the pinhole inspection process - Ensuring the quality of the product's shelf life - Establishing evaluation criteria for the manufacturing process, achieving quantitative quality assurance - Slim and space-saving design that can be connected to existing production lines - Quick changeover for product variety switching can be handled in a short time by exchanging chambers - Fully domestically produced, allowing for rapid maintenance and troubleshooting - Example target works: pillow packaging, packaged rice (packaged cooked rice), etc. *Please consult us regarding the use of this product for pharmaceuticals.

Feb 06, 2026

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Fukuda's leak test, leak inspection, leak detection, leak test, integrity test.

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Fukuda Co., Ltd. has been pursuing leak detection for 60 years and is committed to advancing the future of leak testing. 【 Supporting Various Leak Tests: Air Leak Test / Gas Leak Test (Hydrogen Gas, Helium Gas) 】 We develop, manufacture, and sell leak testing equipment to inspect airtightness and sealing properties. We will propose the appropriate testers and devices for each inspection target. 【 Target Industries and Examples of Inspection Targets 】 - Automotive Industry: Engines, FC components, valves and piping, various parts - Electronic Components Industry: Smartphones, keyless switches, various small sensors - Pharmaceuticals / Food / Cosmetics Industry: Bottle containers, syringes, vials, eye drop containers, pillow packaging, PTP packaging We will propose the most suitable leak testers for each industry. 【 ISO Certification 】JIS Q 9001:2015 (ISO 9001:2015)

Feb 06, 2026

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An article about our company was published on page 7 of the Chemical Industry Daily on February 5, 2026, in the "Emulsifier Special Feature."

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Products from Japan Emulsifiers are used by customers in many industries and fields. Depending on your application, we can also introduce grades not listed in the catalog. Please feel free to contact us. Materials can be downloaded from Ipros, and are also featured on our official website. - Surfactant "Newcall" - Amino alcohol-based, morpholine-based, piperazine-based "Amines" - Gas absorbents and neutralizers "Amino Alcohols" - Glycol ethers and amines for electronic materials "Metarify" - Industrial cleaning agents "Minemal" - Cellulose-dissolving ionic liquids "Amino Ion" *Newcall, Metarify, Minemal, and Amino Ion are registered trademarks of Japan Emulsifiers.

Feb 06, 2026

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From February 24 to February 27, the international forum "GFTN Forum Japan 2026," where global financial leaders will gather, will be held.

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Tokyo, February 6, 2026 - (JCN Newswire) - The Global Finance Technology Network (GFTN), which promotes collaboration and technological innovation in the global fintech industry, will hold the GFTN Forum Japan 2026 (hereinafter referred to as "the Forum") as an official event of Japan Fintech Week 2026, hosted by the Financial Services Agency, from February 24 (Tuesday) to 27 (Friday), 2026. At this Forum, policymakers from around the world, leaders from the financial industry, investors, and founders will gather to focus on cutting-edge themes that have a significant impact on the structure and trends of international financial markets, such as "Agent AI," "Tokenization of Assets," and "Capital Flows of \$13 Trillion." Furthermore, discussions will be held with domestic and international leaders on Japan's new role in the global financial market and strategies for the future.

Feb 06, 2026

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