Pi-SPi-Series

Raspberry Pi 7" LCD Display Ribbon Cable Extension Kit

Raspberry Pi 7" LCD Display Ribbon Cable Extension Kit

The 7" Touchscreen LCD Display for the Raspberry Pi is a wonderful display. For some applications, having the Raspberry Pi mounted to the back of t...

Automation Interfaces for the Raspberry Pi

Automation Interfaces for the Raspberry Pi

VP Process Inc. has recently released 2 interfaces for the Raspberry Pi that are used in industrial automation applications. Both interfaces have i...

Raspberry Pi I/O Developer's Pack

Raspberry Pi I/O Developer's Pack

Widgetlords Electronics has bundled together their popular PI-SPI series of I/O modules into one package. All you need to add is your Raspberry Pi,...

Raspberry Pi as a PLC in Automation Applications

Raspberry Pi as a PLC in Automation Applications

The Raspberry Pi is being used in more automation applications as a PLC replacement.  In this example, a Raspberry Pi 3 is being used as the main ...

Raspberry Pi and GPIO Expansion Using the MCP23S08

Raspberry Pi and GPIO Expansion Using the MCP23S08

The VP Process Inc. line of automation expansion modules for the Raspberry Pi uses the Microchip MCP23S08 GPIO Expander IC to maximize the number o...

Raspberry Pi DIN Rail Analog Output Interface

Raspberry Pi DIN Rail Analog Output Interface

VP Process Inc has just released a new 4 channel Analog Output 4-20mA Interface, the PI-SPI-DIN-4AO. The 4AO is based on the Microchip MCP4728 12 ...

Raspberry Pi and the PI-SPI-2AO 4-20mA Output Interface

Raspberry Pi and the PI-SPI-2AO 4-20mA Output Interface

The 4-20 mA analog signal is still a major part of process control infrastructure. The Raspberry Pi coupled with the PI-SPI-2AO Analog Output Inter...

Raspberry Pi DIN Rail I/O Interfaces

Raspberry Pi DIN Rail I/O Interfaces

VP Process Inc has released three new modules in the PI-SPI-DIN series of DIN rail mountable interface modules: PCB's mounted with DIN rail clips: ...

Raspberry Pi New DIN Series of Interfaces

Raspberry Pi New DIN Series of Interfaces

VP Process Inc has just released a new series of Raspberry Pi DIN rail mountable "Hardened" interfaces. The first to be released is the PI-SPI-DIN-...

Raspberry Pi and Wireless RS485 Display

Raspberry Pi and Wireless RS485 Display

We decided to push our testing of the wireless 900 MHz RS485 interface to include the new PI-SPI-DIN series. From Left to Right: PI-SPI-DIN Contr...

Pi-SPi Series Python Sample Code

Pi-SPi Series Python Sample Code

Updated March 2018 The Pi-SPi Series of building blocks for the Raspberry Pi now have sample test code written in Python available for download. E...

Raspberry Pi and Industrial Controls - Shape of Things to Come

Raspberry Pi and Industrial Controls - Shape of Things to Come

The Raspberry Pi is becoming more and more accepted as a development platform and solution for process controls applications. These range from gas ...