| Breakout Card Kit Pluggable-Prototype-Breadboard SM/TH for Raspberry Pi | sequentmicrosystems.com | 5.0 USD | 25 USD | −80% |
| I/O Accessories Kit for I/O Learning Card for Raspberry Pi | sequentmicrosystems.com | 10.0 USD | 30 USD | −66.7% |
| Beagle-Pi Raspberry Pi Emulator Using Beagle Bone Black | sequentmicrosystems.com | 10.0 USD | 25 USD | −60% |
| Self Test Cable for Home Automation HAT for Raspberry Pi | sequentmicrosystems.com | 4.0 USD | 10 USD | −60% |
| Six-in-one LCD Adapter Kit Using 2004 or 1602 LCDs for Raspberry Pi | sequentmicrosystems.com | 12.5 USD | 25 USD | −50% |
| Arduino Uno, Nano, Teensy, Feather or ESP32 Raspberry Pi Replacement Kit | sequentmicrosystems.com | 8.25 USD | 15 USD | −45% |
| ESP32-Pi: A low cost Raspberry Pi Alternative using ESP32 | sequentmicrosystems.com | 36.0 USD | 45 USD | −20% |
| Multi-IO 8-Layer Stackable Modbus HAT for Raspberry Pi | kuriosity.sg | 188 SGD | — | — |
| I/O Back Panel for Raspberry Pi Industrial Automation - 8 Slot Version | sequentmicrosystems.com | 150.0 USD | — | — |
| 8 MOSFETs and 8 Digital Inputs for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 145.0 USD | — | — |
| Eight 24-Bit Analog Inputs DAQ 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 145.0 USD | — | — |
| Industrial Automation 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 120.0 USD | — | — |
| Eight Thermocouples DAQ 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 120.0 USD | — | — |
| I/O Back Panel for Raspberry Pi Industrial Automation - 4 Slot Version | sequentmicrosystems.com | 120.0 USD | — | — |
| 8 Thermocouples 16 Open-drain Outputs for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 120.0 USD | — | — |
| RTD Data Acquisition 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 100.0 USD | — | — |
| Smart Relays with Universal Inputs 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 100.0 USD | — | — |
| Multi-IO HAT 8-Layer Stackable for Raspberry Pi | sequentmicrosystems.com | 100.0 USD | — | — |
| Building Automation 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 100.0 USD | — | — |
| Sixteen Analog-Digital Inputs 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 100.0 USD | — | — |
| Sixteen 0-10V Analog Outputs 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 100.0 USD | — | — |
| Eight Serial Ports HAT 2-Layer Stackable for Raspberry Pi | sequentmicrosystems.com | 100.0 USD | — | — |
| 16 Analog 4–20 mA Outputs for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 95.0 USD | — | — |
| 8 HV and 8 Solid-state Relays for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 95.0 USD | — | — |
| 8 HV and 8 LV Relays for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 95.0 USD | — | — |
| 8 Analog 4–20 mA Inputs Card for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 95.0 USD | — | — |
| 8 Analog 4-20mA/0-10V Outputs for Raspberry Pi Back I/O Panel | sequentmicrosystems.com | 95.0 USD | — | — |
| 6 RTD Inputs 3-wire PT100/PT1000 for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 95.0 USD | — | — |
| HALL Current Sensor DAQ 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 95.0 USD | — | — |
| 16 Universal Inputs for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 95.0 USD | — | — |
| Sixteen Solid State Relays 2A/24V 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 90.0 USD | — | — |
| Eight MOSFETS 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 90.0 USD | — | — |
| Sixteen Relays 2A/24V 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 90.0 USD | — | — |
| 8-HV Relays 8-LV Inputs for Raspberry Pi Back Panel | sequentmicrosystems.com | 85.0 USD | — | — |
| Home Automation 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 80.0 USD | — | — |
| 8 HV and 8 LV Digital Inputs for Raspberry Pi I/O Back Panel | sequentmicrosystems.com | 80.0 USD | — | — |
| Three 40A-240V Relays RS485 Daisy-chainable HAT for Raspberry Pi | sequentmicrosystems.com | 70.0 USD | — | — |
| Multichemistry Watchdog HAT with UPS Battery Backup for Raspberry Pi | sequentmicrosystems.com | 65.0 USD | — | — |
| Eight Relays 4A/120V 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 60.0 USD | — | — |
| Sixteen LV Digital Inputs 8-Layer Stackable HAT for Raspberry Pi | sequentmicrosystems.com | 60.0 USD | — | — |