IO Module USB Arduino Compatible

Top16 II

USB digital and analog input/output module — 8 analog inputs, 8 current-sinking outputs, Arduino compatible.

Top16 II

Specifications

Analog inputs — 8 × single-ended, 0–5 V, 16-bit resolution, internally calibrated
Outputs — 8 × current sinking (switch to ground), 250 mA, up to 30 V
PWM — individual PWM control on 4 outputs (AT version); all outputs on AT+ version
Interface — USB powered and controlled
Microcontroller — Arduino Nano (re-programmable)
OS support — Windows, Linux, macOS (via serial/COM port)

Features

16-bit analog inputs with internal calibration for accurate voltage measurement
Arduino compatible — re-program and customise using the Arduino environment
USB powered — no external supply required
Serial (COM port) command set for easy integration with any language or platform
Python and C++ examples available for Linux (including Raspberry Pi)

Top16 II — Web App

Top16 II web app

top16web.html

Control the board live from Chrome or Edge — nothing to install.

Downloads — 'AT' Version

Firmware Version 1.5 Mar 2023 Download
Firmware Version 1.6 Jan 2026 Download
Top16 II Manager Installer Windows · v1.4 · 06 Nov 2015 Download
User Manual — Top16 II AT PDF Download
Serial Command Set — Top16 II AT PDF Download
Python Example Linux / Raspberry Pi · 19 Nov 2023 Download
C++ Linux Example Serial / COM port · 19 Nov 2023 Download
Upload firmware using Arduino IDE PDF Download

Downloads — Pre-'AT' Version

User Manual PDF Download
Serial Command Set PDF Download
.NET Class Library / DLL v1.1 · 06 Nov 2015 Download
Visual Basic .NET Example Project 16 Mar 2016 Download
C# .NET Example 04 Jul 2017 Download
Arduino Source Code Board type: Arduino Nano · 16 Dec 2022 Download

Enquire

For pricing and availability contact us →