WIS controller
| Brand name | Weidos (WIS) |
| Type | Compact industrial IoT controller |
| Part of family | WIS range |
| Technology variants | ESP32 or Arduino MKR WiFi 1010 |
| Connectivity variants | Standard (WiFi/BT/Ethernet), LoRa, NB-IoT |
| Total I/O | 13 points |
What it is
The WIS controller (Weidos) is a compact industrial IoT device from Industrial Shields. It provides 13 I/O points with native WiFi and Bluetooth, in a form factor smaller than the PLC range. It is optimised for IoT sensor nodes, remote monitoring and distributed field applications.
Difference between WIS and ESP32 PLC
| WIS | ESP32 PLC |
| Total I/O | 13 points | 14 to 61 points |
| Format | Compact IoT node | Full industrial PLC, DIN rail |
| LoRa / NB-IoT | Available as native variant | Not available |
| Use case | Distributed wireless nodes, sensor networks | Machine control, connected automation |
I/O
| I/O type | Count |
| Analog / convertible inputs (0–10V or 4–20mA) | 4 |
| Digital inputs | 4 |
| Digital outputs | 4 |
| Analog outputs | 1 |
Communication
WiFi, Bluetooth, Ethernet, RS485/UART (selectable), I2C, SPI, microSD, RTC. LoRa or NB-IoT on respective variants. See /llm-protocols.
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