DPTechnics bv
About us
IoT from idea on paper up to the finished product.
We at DPTechnics have the expertise to develop and produce your next generation products from hardware to software and industrial design. Transforming ideas into products for the SME and multinational is what we are great at.
Products & services
Walter, cellular/GPS/WiFi/BLE
Walter is an open source, fully certified (CE, UKCA, FCC, IC, RCM), multi-radio module with cellular (LTE-M, NB-IoT), GNSS (GPS, GLONASS), WiFi and Bluetooth. It is a small-form-factor IoT system-on-module (SoM) that combines a powerful ESP32-S3 system-on-chip (SoC) with a second-generation Sequans GM02SP LTE-M/NB-IoT 5G modem and GNSS receiver. Its ESP32-S3 provides many built-in peripherals as well, including UART, SPI, I²C, CAN, Wi-Fi b/g/n, and Bluetooth 5. For many battery-powered applications, Walter will spend most of its time in deep sleep. It is therefore critical that we consume as little power as possible in this mode, which was among our key requirements during the design stage. We are extremely proud of the result and have validated that Walter only consumes 9.8 µA in deep sleep mode with PSM, the industries' lowest for a multi-radio module. We created Walter for remote sensing and control applications, and we’ve been working hard to perfect it by incorporating feedback from beta testers who’ve given us insights related to various other possible applications, including: - GPS tracker: As the GNSS receiver is built in, you don't even need an expansion board to build a global tracking solution with Walter. In fact, as mentioned above, Walter comes pre-flashed with tracking firmware that uploads data to our demonstration platform. - Remote weather station: When slotted into our carrier board, Walter can monitor various sensors from virtually anywhere. Its 5G connection (LTE-M or NB-IoT) has such good range that you can easily monitor remote locations. - Tank level sensor: To evaluate Walter's indoor coverage, we added an ultrasonic sensor that allowed it to determine the level of liquid in a tank. We tested the result at various locations throughout Belgium and were pleasantly surprised by the results, which included a good signal from two stories underground beneath a metal cover.
BlueCherry IoT platform
For end users, BlueCherry brings the internet of things in an instant. Developers only need to download the BC-Connector Software and can build their own IoT devices. For companies, DPTechnics can do all R&D for their IoT project.
DPT-WiFI module
Linux, WiFi and more The DPTechnics DPT-Module-v1 is a compact System-on-Module which is perfect to create smart IoT products. The base of the system is the ever so popular and robust Atheros Qualcomm AR9331 System-on-Chip and 64MiB DDR2 Hynix RAM memory. Together with 16MiB of Winbond flash storage this small (27.5mm x 52mm) Linux computer can run any IoT application it is presented with. The module comes with the open source DPT-Board OS pre-installed, but you can off course have your own software stack installed in it right from the factory. The module has a built in WiFi transceiver and antenna which is factory calibrated and tuned. This ensures the same reliable WiFi connectivity every single time.
Walter Feels
Walter Feels Walter Feels is a carrier board for the Walter module. It provides an MPPT battery charger, battery management with coulomb counter, and various sensors, including temperature, humidity, barometric pressure, and 6-DoF IMU. Walter Feels supports interfaces like RS232, RS485, SDI-12, CAN bus, and GPIO with ADC functionality. It includes a MicroSD card slot and provides power output at 3.3, 5, and 12 V. It also hosts a connector for the Sensirion SCD30 absolute CO₂ sensor (not included).
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Walter cat 1 bis
Walter Cat 1 bis is a small-form-factor IoT SoM that adds support for worldwide LTE Cat 1 bis to the powerful ESP32-S3 SoC. On top of the ESP32-S3’s many built-in peripherals—such as UART, SPI, I²C, CAN, Wi-Fi b/g/n, and Bluetooth 5—Walter also features the Sequans GC02S1 LTE Cat 1 bis modem. Walter Cat 1 bis can be used for both prototyping and production, as it will be certified for FCC, CE, RCM, and IC. We also guarantee a minimum of ten years of availability, making it a uniquely reliable building block for your IoT application. Walter Cat 1 bis comes with a range of 100% open source software libraries to get your IoT project up and running in minutes, so you can work in familiar languages and toolchains. Supported environments include ESP-IDF, Arduino, MicroPython, Toit, and Zephyr. No special dongles are needed to program Walter – just connect it directly to your development machine via a standard USB Type-C cable.
