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Public designs
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KiCAD files for PCBs for transmitters and other hardware for OpenShock.
Open Source, easy to use Ethernet connected stepper motor controller. Built in FreeCAD, KiCAD and Arduino.
Opensource HA compatible air quality monitor with CO2, temperature and humidity measurements
An Arduino shield to test the TMC2209 stepper motion controller by Trinamic.
Dual-cell Li-Ion Battery management system.
STM32 and SIM808 GPS tracker with a custom PCB design and support for MQTT and AES-128 encryption.
A Meshtastic device based on the Seeed Studio XIAO nRF52840 and EBYTE E22-XXXMXXS series LoRa modules. Pinout matches the Meshtastic xiao ble variant.
Kicad workspace /sandbox
GNSS reciever ready to RTK (Real time kinematics) technology
PCB Layout Design
This is documentation for my Dallas DPRG RoboRama 2025 robot
Weathergotchi - an E-Paper Climate Logger
a compact PCB designed to integrate a CO2 sensor into a USB stick form factor
Based on https://www.instructables.com/DIY-1kW-MPPT-Solar-Charge-Controller/ Since I wanted to be able to change the board layout and to test KiCad I decided to give this "conversion" a try.
Files for the project: Real-Time Hands-on Tool for Teaching Three-Phase Motor Control
A simple PCB design that detects low battery levels using a high-voltage divider and triggers a buzzer via a 5 V DC-DC module. Includes input filtering, surge protection (TVS), and transistor-based threshold switching. KiCad project + BOM + gerbers.
A CubeSat Onboard Computer, using the RP2040 microcontroller.