protonema

Photo of three different Protonema baseboards with various modules

Left: A 2x2 baseboard with a stepper motor controller, a Raspberry Pi Pico and a breadboard.

Center: A 3x2 baseboard with a four-digit LED display, a Raspberry Pi Pico, a SD card adapter, and a temperature sensor on a breadboard, acting as a temperature logger.

Right: A 3x4 baseboard with a Raspberry Pi Pico, a perfboard stamp, a larger breadboarding area with a Pixie Chroma display, an ST discovery board, and a mikroBUS™ Click™ adapter.

Project Overview

Protonema is an low-cost electronics prototyping and learning system designed to combine the best of breadboarding, microprocessors and surface mount technologies into a single easy-to-use and easy-to-extend system for rapid electronics prototyping and development.

Protonema includes:

Project Goals

Baseboards

Part # | Name | Status | BOM Cost | OSHWA | Cert # | |-|-|-|-|-|-| | 1510A v1.0 | 3x4 Baseboard | Complete | $17.57 CAD | OSHWA Logo | CA000015 | | 1522A v1.0 | 2x2 Baseboard | Draft | $7.36 CAD | OSHWA Logo | CA000023 | | 1532A v1.1 | 3x2 Baseboard | Coming Soon | | Not OSHWA Certified | |

Stamps

Part # Name Status BOM Cost OSHWA Cert #  
  1011A v1.0 Horizontal Breadboard Stamp Complete $14.98 CAD OSHWA Logo CA000016
  1012A v1.0 Vertical Breadboard Stamp Complete $19.84 CAD OSHWA Logo CA000022
  1030A v0.4 PIC Stamp In Progress   Not OSHWA Certified  
  1031A v1.1 Raspberry Pi Pico Stamp Complete $17.20 CAD OSHWA Logo CA000020
  1032A v1.0 LED Matrix Stamp Complete $10.35 CAD OSHWA Logo CA000019
  1033A v0.3 Decoder Stamp In Progress   Not OSHWA Certified  
  1034A v1.0 Protoboard Stamp In Progress   Not OSHWA Certified  
  1035A v0.2 ESP32 Stamp In Progress   Not OSHWA Certified  
  1036A v0.1 Pi Pico Interface Stamp In Progress   Not OSHWA Certified  
  1037A v1.1 LCD Display Stamp In Progress   Not OSHWA Certified  
  1038A v1.0 LED Display Stamp Complete $9.19 CAD OSHWA Logo CA000018
  1039A v1.0 Intersection Simulator Stamp In Progress   Not OSHWA Certified  
  1040A v1.0 Smart LED Level Shifter Stamp In Progress   Not OSHWA Certified  
  1041A v1.0 Train Simulator Stamp In Progress   Not OSHWA Certified  
  1052A v1.0 3.5mm Jack I/O Coming Soon   Not OSHWA Certified  
  1060A v1.0 Dual Potentiometer Stamp Complete $6.92 CAD OSHWA Logo CA000024
  1065A v1.0 SD Card Stamp Coming Soon   Not OSHWA Certified  
  1094A v1.0 Sliders Coming Soon   Not OSHWA Certified