All 19 Designs 👀✨
uh-oh
with 6-layer #PCB designs the prototyping becomes really costly.
50 pcs cost less than twice the price of 5.
economy of scale. economy of exponential scale.
OK, no errors this time I guess!
Presenting: the double-double and the long-double, two small PCBs intended to break out a two-by-something row of pins to either side of a breadboard. (They are also great for precise soldering practice - just ignore the fact I did one of them upside down.)
There's probably better ways to solve this, but this is mine.
I'm getting close to publishing my portfolio site and these will be on there as files you can download and send off to be made.
STM32 Unboxing #1 - JLCPCB Goody Bag
My first (!!! - and possibly last) unboxing video - didn't go particularly well. Recorded on my phone on my balcony - audio is pretty horrible and for some unknown reason out of sync. Anyway - the box was full of Goodies from JLCPCB (described in last video). PCB's ordered last Monday and I had them today - exactly 1 week later.
#STM32 #Gettingstarted #Tutorial #KiCAD #PCB #JLCPCB #stm32world
In arrivo in Italia una delegazione di bambini palestinesi della squadra di calcio “Palestine Youth Club” del campo profughi di Shatila, in Libano. Dal 25 al 29 giugno saranno a Bologna. Arriveranno in Italia per la prima volta, grazie a uno scambio culturale organizzato dalla Ong italiana "Un Ponte Per" (UPP) e dalla squadra di calcio di Firenze, "Centro Storico Lebowski": sono 12 bambini palestinesi di età compresa tra gli 8 e i 13 anni, accompagnati da 2 allenatrici e un allenatore, membri della squadra di calcio “Palestine Youth Club” attiva nel campo profughi di Shatila, a Beirut (Libano).Dal 25 giugno al 10 luglio Un Ponte Per e Centro Storico Lebowski ospiteranno la delegazione e la accompagneranno in un tour in Italia, grazie alla collaborazione con numerose realtà di sport popolare tra Roma, Firenze e Bologna, al sostegno di enti istituzionali e con il prezioso supporto dell’Associazione Italiana Allenatori Calcio (AIAC).
ok, copper tape glass PCB test results are in. just did a small test layout with some traces and test footprints. exposure and development of the etch resist went well. 7.5 minutes under my UV box and development in water with a random amount of sodium carbonate in it.
etching went… less than well. The glue on the tape does not seem to stand up to the copper chloride etchant very well and there was severe under etch all around the edges and a whole bunch of delamination. might have to try a different way of attaching copper foil. one option might be to just use the same material as the etch resist as glue…
oh yeah, and even though the glue was kinda destroyed by the etchant there is still a layer of glue on all the bare glass spots :I
LAYERED
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