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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@DrAzzy
As some of you may know, I sell circuit boards on Tindie. What you may not know is how wide a variety of products I sell there, and just how awesome they are. So I thought I’d write about some of my products, because I think a lot of people playing with Espruino would like them.
Prototyping board is one of my major product areas. I’ve been very disappointed with readily available prototyping board - it’s either too expensive, of miserable quality (no mask, no through holes), or of a useless design (like “perfboard”, where none of the holes are connected together). Also, prototyping board that combines SMD prototyping area with through-hole prototyping areas is quite uncommon, despite the fact that increasingly, all the best components are coming out in SMD packages only.
The large board has been discussed here in the past. It’s a 4” x 4” board, which your Espruino Pico can be mounted to, with tons of through-hole prototyping space, and surface mount pads for SOIC/TSSOP, RGB LEDs (or WS2812’s), SOT-23-6, SOT-89, MSOP/DFN-12, SOT-23 MOSFETs, and a power supply section with space for 2 SOT-223 regulators. Uncommitted (but labeled) Vcc and Ground traces are run throughout the board, so ground and supply is never far away.
I also have general purpose prototyping boards running from tiny bits of protoboard less than an inch on a side for very small projects (particularly nice for adapting pinouts of connectors), up 2” x 4” prototyping boards, available with all through-holes, or mixes of SMD and through-hole.
For those of you who use the Nucleo 401 or 411 with Espruino, I’ve got a special treat - Nucleo pin descramblers! One of the greatest difficulties I have when using the Nucleo boards for prototyping is getting the connections to the Nucleo board right. The pins aren’t labled, and there aren’t many good reference points to count from, either. The overall layout is nonsensical. These nucleo port descramblers group the pins by port, in numeric order, with alternate functions noted on the silkscreen. These are available in two versions - the second version also has a group of headers for 5v, 3.3v, Vin, and Gnd.
For those of you who also use Arduino, I have a similar 4”x4” prototyping board for the Arduino Pro Mini, as well as 2” x 2” boards for ATTiny 84 and ATTiny85 - the perfect size for a typical TinyAVR project.