Jeroen's Project Journals
DSP/DAC (3 posts)
A 4-channel USB DAC built around a pair of TI PCM5102A's with advanced DSP capabilities provided by a Teensy 4.0. Includes a 3D printed enclosure, OLED display and rotary click-encoder control
Audio amplifier (7 posts)
3-channel audio amplifier. Mains-powered and with digital volume control. Includes a 3D printed enclosure matching the Teensy DSP/DAC, OLED display and rotary click-encoder control
Concrete subwoofer (1 posts)
Remix of a subwoofer design by Youtuber Hexibase. This version is printed hollow and filled with concrete
Gridfinity Creator (3 posts)
Online generator of Gridfinity components such as divider bins of any size with arbitrary internal compartments, light bins and base-plates. Generates STL files.
LED Spots (4 posts)
GU4 compatible spots using WS2812B addressable RGB LED's on a custom PCB, 3D printed housing and a WiFi connected controller running WLED
Kamado temperature controller (3 posts)
A WiFi-enabled temperature controller for my Kamado BBQ
Keyboard PCB generator (1 posts)
Python script that takes a layout from the Keyboard Layout Editor and generates a KiCad project with partly routed PCB design
Project Journal Site (1 posts)
MQTT Environment Sensor (1 posts)
A WiFi-enabled wal-wart sensor that measures temperature and humidity and reports the values over MQTT
Soldering microscope (1 posts)
Using an old GoPro clone and one of the lenses of my DSLR photocamera I created a surprisingly capable microscope for small SMD work.
Weather station (1 posts)
Largely 3D printed battery/solar powered weather station with temperature, humidity, wind and rain measurements
MQTT Powermeter (0 posts)
A WiFi-enabled powermeter that reports the power, voltage and current over MQTT