🔧 Unlock Your Project's Potential!
The Waveshare MCP23017 IO Expansion Board is a powerful I2C interface that expands 2 signal pins into 16 I/O pins, allowing for extensive connectivity options. It supports up to 8 boards simultaneously, providing a total of 128 I/O pins. Compatible with both 3.3V and 5V levels, it features easy address configuration and comes with development resources for popular platforms like Raspberry Pi, Arduino, and STM32.
| Wireless Type | Infrared |
| Brand | waveshare |
| Series | MCP23017-E/SP MCP23017 16-Bit I/O Expander with Serial Interface |
| Item model number | MCP23017 IO Expansion Board |
| Operating System | Raspberry Pi OS |
| Item Weight | 0.704 ounces |
| Package Dimensions | 3.58 x 2.05 x 0.83 inches |
| Processor Brand | Waveshare |
| Number of Processors | 1 |
| Power Source | DC |
| Manufacturer | Waveshare |
| ASIN | B07P2H1NZG |
| Is Discontinued By Manufacturer | No |
| Date First Available | October 15, 2018 |
A**E
Modellbahn
Einsatz bei einer Modellbahn Spur Z. Computer gesteuerte Adressierung von Weichen und Signalen u.s.w.
P**A
Worked perfect for large IO expansion
I needed a whole lot of IO ports for my Raspberry. I bought a total of seven of these. This board was super easy to use both for configuring input/output ports. Interrupts are a nice feature, as well as the ability to programmatically pull input port high.Accessible on port x20 - x27 (default), so you can run 8 of these for a total of 64 IO ports.I was able to convert the C examples to Ruby without any fuss.Pro:* Easy to use for IO expansion.* Nice features (IO configuration, pull ups, interrupts)* Great example code (C and Python).Cons:* Hard to mount as there is only a single set of holes in the board (ideally there would have been a hole on each corner).* Soldering the address jumpers (A0/1/2) too a little work
A**R
0x27
The libaray is addressed to 0x20 but I found it works at 0x27 right out of the box, so you'll have to adjust for that to avoid my initial annoyance.
L**.
Parfait!
Rien à redire, une fois lu la documentation disponible aux 4 coins du Web, et soudé les ponts A1, A2, A3 pour obtenir toutes les configurations, je pilote 64 relais avec 2 ports io.Royal, fiable, et pas cher en plus de ça.Je recommande
D**.
Quality product
Quality product. Works as described
Trustpilot
1 week ago
1 day ago
