Neuron S103 (Raspberry Pi 4) - the most versatile Neuron with a new computing module

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23/7/20 Unipi Neuron S103, the most successful Neuron controller, is now available in a variant powered by Raspberry Pi 4 Model B.

The Unipi Neuron S103 programmable logic controller combines broad functionality, high computing power, favourable price and compact size, making it one of the most versatile controllers in the Neuron product line. This controller is now available also in the S103 (Raspberry Pi 4) variant based on the Raspberry Pi 4 Model B.

Basic features
Computing module: Raspberry Pi 4 Model B
Digital inputs: 4
Digital outputs: 4
Analog inputs: 1
Analog outputs: 1
RS485 interface: 1
1-Wire bus: 1
Size: 70 × 90 × 60 mm

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What is new?

S103 (Raspberry Pi 4) represents the first Neuron model featuring the latest Raspberry Pi generation. Compared to its predecessors the Raspberry Pi 4 Model B comes with a host of improvements, notably a new 1.5GHz processor and selectable RAM capacity of 2 GB, 4 GB or 8 GB. These features give the S103 (Raspberry Pi 4) a significantly higher computing power.

Type Raspberry Pi 3 Model B Raspberry Pi 4 Model B
CPU quad-core 1.2 GHz quad-core 1.5 GHz
Operating memory 1 GB RAM 2 GB/4 GB/8 GB RAM
Ethernet  10/100 Mbit 1 Gbit
USB 4× USB 2.0 2× USB 2.0, 2× USB 3.0
Wireless communication  Wi-Fi, Bluetooth 4.1 Wi-Fi, Bluetooth 5.0


For effective cooling, the metal chassis of the controller now also serves as a heatsink for CPU heat dissipation.

What stays the same?

The S103 (Raspberry Pi 4) retains all functions of the default Neuron S103 including the same number of inputs, outputs and communication interfaces (see above). Retained is also the compatibility with available software solutions - aside from the official Mervis platform the controller is also compatible with the Unipi open API or available third-party solutions

Raspberry Pi 4 on other Neuron models

Do you need to combine Raspberry Pi 4 with other Neuron models? This option is available as part of the Unipi OEM programme, where Raspberry Pi 4 is one of the available computing modules. The minimum order quantity for OEM controllers is 20 pcs. For more info about the OEM programme please visit this link

Further info



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