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The PI module family has grown with the addition of another processor module with an STM32F303 microcontroller, which is suitable for basic control or reading of analog or digital sensors. The processor runs at a frequency of 72 MHz, has 128 kB of FLASH memory, 32 kB of RAM, and 8 kB of faster CCMRAM memory, and also allows to run FreeRTOS. Of course, it also supports our peripheral submodules.
Read more: Cheaper module PI-CPUF303 with STM32F303 microcontroler for basic applications
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When testing developed products, EMI emissions are an important parameter. Testing in accredited laboratories is expensive, so pre-certification tests are performed to verify emissions. This requires an EMI receiver or spectrum analyzer, as well as a LISN (line impedance stabilization network).
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The PI-RSX module allows you to add RS-232, RS-485, or RS-422 interfaces to your Raspberry Pi. Everything is contained in a single module, and the interface type is selected using jumpers on the PCB. Let's take a look at how to use it in Python.
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The PI-CAN module is a module with a galvanically isolated CAN FD interface based on the MCP2518FD controller with the MCP2544FD interface. Support for PI-CPUF407 is included in the sample application on GitLab. Let's also take a look at how to get it running on Raspberry OS.
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The DYNABANK power bank for cycling, rechargeable from a hub dynamo, is now also available in a 5,000 mAh version called DYNABANK 5, which is smaller in size and lighter in weight than the original DYNABANK 10 version with a 10,000 mAh capacity.
Read more: DYNABANK now also in a smaller version with capacity 5 000 mAh
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There are two new modules for Raspberry Pi or PI-CPUF407. One is the PI-CAN module with CAN FD interface with speeds up to 8 Mbit/s and the other is the PI-RSX combination module with optional RS-232, RS-485 or RS-422 interfaces. These are stackable HAT+ modules with integrated EEPROM for module detection and both with LED activity indication.
Read more: The PI family expands with CAN FD and RS-232/485/422 modules
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The PI-AIO and PI-DIO modules are connected to the Raspberry Pi on the I2C bus on pins GPIO2 (SDA) and GPIO3 (SCL). Therefore, the I2C stack, which is already integrated in the Raspberry OS, can be used for control. Let's take a look at how to do this in the Python programming language.
Read more: Using PI-AIO and PI-DIO with Python in Raspberry OS
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Three modules have been developed with digital and analogue interfaces not only for the PI-CPUF407. This includes the PI-FIO module, designed for direct use of the interfaces on the STM32F407 processor, as well as PI-DIO with galvanically isolated digital inputs and outputs and PI-AIO with galvanically isolated analog inputs and outputs. PI-DIO and PI-AIO are compatible with the HAT+ standard for Raspberry Pi.
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We took the core of the IPC-CPUF407 modular computer and placed it on a board with Rasberry PI format. The result is probably the most sophisticated module with an STM32F407 processor that includes Fast Ethernet and Wi-Fi communication interfaces, a MicroSD card slot, two USB interfaces, a GPIO expansion connector with digital and analog inputs and outputs, and a serial terminal with a command line with USB-C bridge.
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In cooperation with the Lost divers club we started to develop a closed circuit rebreather and also a diving computer with decompression calculation. Now we can present the first prototype of LD'sC/DC computer, which is designed for both beginners and advanced divers, as it can work with multiple gases including trimix and also with open or closed circuit option. This computer will be the same for a complete rebreather with oxygen dosing control.
- We support MTB race 3-2-1 VABANK
- DYNABANK supplied with automatic disconnect or switch on of output while riding
- IPC-CPUF407 can be extended with a CAN interface and a second RS-485 interface
- MPPT regulator added to DIN-IPC system for island PV systems without available power source
- DIN-IPC modules as a solution for smart homes
- Control of IZT by Atrea realized by DIN-IPC controller
- Modular units for control and data collection on a DIN rail
- The world's first power bank rechargeable from a bicycle dynamo