Make IGT-20 SD with Win32 Disk Imager

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It’s very common for users of embedded system, such as Raspberry Pi, Beaglebone and IGT-20, to use or upgrade to different OS. Of course, the first task is to get or build an OS image file, which is not covered in this article. Assuming that OS image is ready somewhere in your laptop or desktop […]

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Using Nuvo-2510VTC Reading and Sending OBD-II Message over CAN Bus

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Neousys Technology has released its Nuvo-2510VTC, an in-vehicle fanless computer with built-in Intel Bay Trail processor. As a product for in-vehicle applications, Nuvo-2510VTC provides several specific features, such as ignition power control, shock-absorbing mounting kit and also a CAN bus port. This article mainly describes the CAN bus on Nuvo-2510VTC and provides a demonstration of […]

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Using devmem2 on IGT-20

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In many cases using an embedded system like the IoT Gateway IGT-20 from Neousys, one might need to read and write memory directly. There is a simple tool named devmem2, which origins from Jan-Derk Bakker. Since, the original link of the source file seems broken recently, a copy is attached here. Just download the source […]

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IGT-20 Persistent Tethering of WiFi

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By default, IGT-20 manages networking with connmanctl. One can use the following command, assuming that WiFi has been enabled, to enable tethering of WiFi on IGT-20. connmanctl tether wifi on <SSID> <PassPhrase> However, the tethering won’t be enabled by default automatically after IGT-20 reboots or connman service restarts, for connman disables tethering by default after […]

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Access Auto Flow Control RS-485 on IGT-20 in CLI

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Auto Flow Control RS-485 on IGT-20 Due to the fact that RS-485 is half-duplexed, it can either send or receive messages in any single moment. This fact results in some cumberson work to switch the direction of messages of the RS-485. When this RS-485 plays as the role of a master in a communication scenario, […]

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ETHY-100 Series White Paper

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Industrial Fanless computers are nowadays very commonly seen in industrial applications due to its robustness and the compact-sized design. But  these  industrial   fanless  computers are  usually  not  quite  good  when  it  comes  to  expansion.  Though  some  of  them  provides  Mini PCIe  or  M.2  socket,  they  are  usually  designed  for  communication  modules,  such  as  WiFi […]

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Switching Modes of Serial Ports on IGT-20 to RS-232, RS-422 and RS-485

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Designed as an industrial gateway for IoT, IIoT, Industry 4.0 and automation applications, IGT-20 has two serial ports enabling the connection to various sensors and devices. And among the sensors and devices, serial communication, i.e. RS-232, RS-422 and RS-485, is a very common interface. This article shows you how to switch modes of serial ports […]

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IGT-20 OS Image and Disk Usage

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Currently the pre-installed OS of IGT-20 is Debian 8, and the OS image is less than 1GB in a 8GB microSD. By using df command, one can observe the real disk usage as below:

The image occupies around 850MB while 54% is still not used. With another command cfdisk, one can find the total […]

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IGT-20 microSD Access Speed

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IGT-20 provides dual microSD slots and supports up to SDHC. Read/Write test has been performed with the default 8GB MLC microSD. Here’s the methodology and test result: Reading the microSD

Writing the microSD

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Configure IGT-20 to DHCP from Factory Setting

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The LAN of IGT-20 is set to static IP, 192.168.8.2, for users’ convenience when it’s shipped out of factory. This facilitates users to connect to your IGT-20 by SSH via a common CAT-5e cable as soon as you get them. However, if you’d like to connect your IGT-20 to Ethernet for some reasons, such as […]

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