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Electronics news

A breadboard without jumpers or wires

Jumperless is a development board that, unlike conventional breadboards, uses a matrix of switches for connection instead of jumper wires.

The board is powered by the Raspberry Pi RP2040 microcontroller, which is also responsible for controlling the RGB LEDs.

The Jumperless consists of 10 horizontal and 30 vertical rows, two power rails, 4 general purpose I/O, 4 analog inputs, 2 analog outputs and 12 cross switches. The expansion board allows you to connect Arduino Nano microcontrollers to expand functionality. The board also supports connection via Mini-USB 2.0.

To work with Jumperless, it is recommended to use the Wokwi graphical design tool. The special software included with Jumperless links the virtual design to the physical board via a text-based interface. Projects in Wokwi can be easily uploaded to Jumperless using a URL.

One of the features of Jumperless are glowing RGB LEDs that help you understand which components should be connected to specific rows and columns. Jumperless also supports connecting jumper wires if needed. A firmware update has added support for "Probe Mode" which simplifies breadboard connections.