Amazon.com: Sfera Labs Iono Pi Pi4B 2GB - Raspberry Pi I/O Module - DIN-Rail Case, 4 relays, Analog/Digital Inputs, OC Outputs, TTL I/O, Wiegand, 1-Wire, Real Time Clock (RTC), Secure Element Chip :
Iono Pi - Sfera Labs | Mouser
Debounce HAT | Crowd Supply
Raspberry Pi for industrial Applications | Clear Systems GmbH
Iono RP D16 industrial IO module features Raspberry Pi RP2040 MCU - CNX Software
PIndustrial - Power Supply + RS-485 HAT for Raspberry - Hackster.io
Stackable Raspberry Pi add-on targets industrial I/O
Amazon.com: Home Automation 8-Layer Stackable HAT for Raspberry Pi : Electronics
/i/787201/products/2023-01-16T22%3A08%3A46.225Z-24VAC-to-Arduino-RaspberryPi-BBB.JPG?1673878946 "24VAC Isolated Interface for Raspberry Pi Arduino from Concise Technologies Inc. on Tindie")
24VAC Isolated Interface for Raspberry Pi Arduino from Concise Technologies Inc. on Tindie
Pi-oT 2 IoT module adds 24V digital inputs, RS-485, and UPS to Raspberry Pi (Crowdfunding) - CNX Software
Pi-SPi-8DI Raspberry Pi Digital Input Interface – Widgetlords Electronics
Iono Pi Board - Sfera Labs
Relay card 24V - 16 channels for Raspberry PI, Arduino, PIC,AVR
Stackable Raspberry Pi add-on targets industrial I/O
4Bit Optocoupler Isolator 24V to 3.3V Level Voltage Converter Board PLC Signal - Pin Board - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation
RPi 3.3V to 5V 26 I/O Bidirectional Voltage-Level Shifter Module for Raspberry Pi
Raspberry Pi Isolated GPIO Board With 12-24VDC to 5VDC Power Supply : 3 Steps (with Pictures) - Instructables
OssoPI - Raspberry PI model 2b - 1b+ I/O expansion from Nexlab tindie shop on Tindie
Stackable Raspberry Pi add-on targets industrial I/O
Industrial Control Using the Raspberry Pi 3 | DigiKey
