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The Gateway has 4 RS232/RS485 sockets depending on the version.   P10 (4x RS232) The P10 gateway is equipped with 2x ST3232BTR to ensure transmission in RS232 standard. P11 (4x RS485) The P11 gateway is equipped with 2x MAX481CSA to ensure trans...

The Ethernet interface is provided by the IP101G physical layer. An external board with an RJ45 socket ensures a wired connection to the network.

MicroUSB ensures access straight to UART interface (UART4). The Open IoT Gateway does not have inbuild FTDI converter so an external USB to UART FTDI converter is needed to run a serial port monitor on a PC.

The Open IoT Gateway has a built-in Serial EEPROM with a secure element connected to the STM32 via I2C bus.

The Gateway has a Serial flash memory which can be programmed via SPI.

There is a possibility of connecting peripheral I2C sensors. The board has dedicated pins for soldering devices. Below is a proposal for additional sensors that match the hardware. LSM6DS33 - 3D accelerometer and 3D gyroscope LIS3DH - 3-axis "nano"...

Link to repositories: C This example uses UART4 in the MCU which is reserved for the USB UART communication. A simple string is printed on the console and then the device restarts after 10 seconds of countdown. Use 115200 baudrate.

Link to repositories: C A simple blinking LED example intended for the Open IoT Gateway. Lighting LED will be changed every 1 second from LED1 to LED5.

Link to repositories: C Simple tactile switch example intended for the Open IoT Gateway. After flash, connect device to a PC and open port in Console Terminal. The information about the switch pressed state will be displayed in the console as shown b...

Link to repositories: C This script tests internal communication between serial ports with the possible lowest (2400) and highest (115200) baudrate.  For this example, connect each port's transceiver with the receiver: Default settings: baud r...

Link to repositories: C This example allows you to check the Gateway's IP address. Connect the device via USB/UART converter and choose correct COM/ttyUSB port. Remember to connect the IoT Gateway to the network using an Ethernet cable. Type in ter...

Specifications‎‎‎ Redisage PN P10 P11 P12 Ports RS232 4x - 2x RS485 - 4x 2x RS232/RS485 - - - Microcontroller STM32 WiFi N/A B...

STM32 Open IoT and IIoT Gateways (P10 - P12) Open IoT Gateway is also called as a PAC (Programmable Automation Controller). PAC products combine the functionality and openness of PC, the reliability of a programmable logic unit like PLC and the intelligence o...

Link to repositories: C MicroPython Description This example shows how to use the ADC (analog-digital converter) located on the board. In the beginning of the program there is an ADC calibration performed. Thanks to that a raw reading can be converte...

Link to repositories: C MicroPython Description This example scans through the I2C adresses from 0x03 to 0x78 and lists all available devices. It can be used to detect new I2C devices connected to the board. Console output

More examples from Espressif can be found here. Also the ESP-IDF documentation can found here. MicroPython examples and documentation can be found here. 

Install IDE Please, follow the instructions located here to install the ESP-IDF framework on your local machine. ESP-IDF is available both on Windows and Linux. It can also be installed through some popular IDEs: VS Code or Eclipse. ESP-IDF is required to ...

CGE2 rev. 4.1 Element Connection LED Power LED7 (blue) +3V3 ETHERNET LED1 (green) ETH_LED3/PHY_AD3 RGB programmable LED5 (red) Q6 RGB programmable LED5 (blue) Q5 RGB programmable LED5 (green) Q4 74HC595BQ s...

P01 and P02 can be programmed via P03 USB RS232 RS485 Converters. More info here.