The #CircuitPython driver for the AD5293 Digital Potentiometer is a wrap! This is the 100k-ohm version that's in short supply, but DigiKey currently has a bunch of the 20K-ohm chips in stock. The chip works nicely with single or dual power supplies from +/-9V to +/-16.5v. The driver is available in the @adafruit CircuitPython Community Bundle or in the repo (https://github.com/CedarGroveStudios/CircuitPython_AD5293). The PCB is perfectly purple #OSHPark.
I have an idea for a project that requires, among other things, an accelerometer, and which must weigh very little. I designed a breakout board for the LIS3DH today and sent the design off to #oshpark. I recently acquired a hot air station, but have never hand-soldered an LGA package before. It looks challenging. Excited to try!
KiCad files, for anyone interested: https://github.com/jedp/LIS3DH-breakout
I have an idea for a project that requires, among other things, an accelerometer, and which must weigh very little. I designed a [breakout board for the LIS3DH](https://github.com/jedp/LIS3DH-breakout) today and sent the design off to #oshpark. I recently acquired a hot air station, but have never hand-soldered an LGA package before. It looks challenging. Excited to try!
New blog post - Add usb c CC resistors to charger port - https://facelesstech.wordpress.com/2023/01/28/usb-c-retrofit-5-1k-cc-resistors/ - this flex PCB let's you add the USB C CC resistors needed to be able to charge your gadget using a USB C to USB C cable #usbC #oshpark #FLEXPCB
The charlieplexing makes the wiring complicated enough, and I'm lazy, so it's easier to get another breakout board printed just to experiment with the LED matrix. It's so awesome that you can sit at home, bang something out on #KiCad, and upload it to #OSHPark and get three demo boards in the mail a few days later.
Finally decided to dig our my sticker collection and put them on my "new" laptop. Can't believe how many oshpark stickers I've got. Put the four shinnys I've got on it #oshpark #hackaday #thinkpadx1
#oshpark #hackaday #thinkpadx1
As an exercise in restoration techniques, converted a photograph of a damaged hand-drawn PCB from a 40 year-old guitar pedal into a copper layer for KiCAD. Just sent it off to #OSHPark for their AfterDark treatment. This is art since some of the primary chips used are no longer available.
@diyelectromusic #OSHPark for some, Ponoko for some, but I prefer manual machining for most. Very therapeutic. I use this method a lot: https://learn.adafruit.com/build-a-custom-front-panel/
Digging up photos from some old projects and ran across something I honestly completely forgotten I made. PCB Rotory Encoder. Everything, including the central axle is made from PCB, the only required external parts are 3 spring contacts. The construction proved successful but the circuit design still has some issues, namely the pads on the rotor are not out of phase enough and the pad vs non-pad ratio is too small. Think it warrants a followup. #kicad #oshpark #pcb
Used my custom AD9833 programmable waveform generator FeatherWing from #OSHPark and #CircuitPython running on an #Adafruit Feather M4 for the audio test tones and sweeps. https://github.com/CedarGroveStudios/PCB_AD9833_ADSR_Featherwing
#adafruit #oshpark #circuitpython
Used my custom AD9833 programmable waveform generator FeatherWing from #OSHPark and #CircuitPython running on an #Adafruit Feather M4 for the audio test tones and sweeps. https://github.com/CedarGroveStudios/PCB_AD9833_ADSR_Featherwing
#adafruit #oshpark #circuitpython
I wanted to try OSHPark's "After Dark" PCBs for a while, but I didn't really have anything that would fit. Then I remembered a friend who really likes the Eevee pokemon, and decided to just make a simple badge with it. I sketched it quickly, took a photo, traced it in Inkscape, split into layers and imported them in Fritzing. I had to make a new part to get the exposed copper, but it's just a few extra clicks. I shared it at #oshpark, so you can get your own too.