Breadboard Widget Modules

ATtiny Prog Board

A programming board for ATtiny microcontrollers. No additional technical details were provided on this page.

Button with Pull-up/down & SMD LED Breakout

A tact switch breakout with integrated pull-up/down resistor and a surface-mount LED, allowing compact and reliable input testing on a breadboard.

  • Designed to simplify testing with buttons that usually require external components.
  • Originated from frustrations with breadboard flakiness using Omron switches directly.

USB Type-C

  • USB Type-C variant is inspired by the Adafruit USB-C breakout.
  • Includes pull-down resistors on CC1 and CC2 (optional).
  • Adds power injection to breadboard rails.
  • Includes power indicator LED.

DB-x Breakout

Supports:

  • DE-15 (VGA)
  • DB-9 (DE-9 for serial/joysticks)
  • DA-15

Details:

  • Combined DE-15, DB-9, and DA-15 on a single board using shared pitch spacing.
  • DA-15 used due to compatibility with existing 15-pin layout.
  • Shield connections designed to be grounded via 2x1 headers into breadboard ground rails.
  • Originally motivated by annoyance with soldering wires to VGA connectors.
  • Can be used for analog joystick and VGA DAC testing.

SMD Breakout & Proto Board

Includes general-purpose surface-mount breakouts and prototyping area. Also inspired by the idea of combining various footprints like QFP/QFN on one board.

  • A TSOP II-44 breakout version was created with room for capacitors.
  • Several iterations (v1 to v3) developed based on feedback.
  • Discussion around improving trace clearances and separating address/data/control lines.

UART Matrix

A board designed to simplify connecting USB-UART adapters to various devboards with differing UART pinouts.

  • Avoids repeated rewiring when switching between devices like Pro Mini, ESP8266, HC-05, etc.

Boost Regulator

Breakout for MCP16252 boost converter.

  • Selectable 3.3V or 5V output via jumper.
  • Redesigned in EAGLE by the author.
  • Based on @SUF’s original design (linked externally).

TSOP II-44 SRAM Breakout (Work in Progress)

  • Intended for JEDEC-standard asynchronous SRAMs.
  • Incorporates 0603 capacitor pads.
  • Several iterations with feedback-based improvements:
    • Wider traces.
    • Improved clearance.
    • Optional separation of address/control/data lines.
  • May evolve into a specialized SRAM breakout.