4" x 4" high quality prototyping board - NEW OPTIONSDesigned by Azduino by Spence Konde in United States of America
I've always preferred to build prototypes using "solderable breadboard" style prototyping board, which has holes tied together in groups of 3-4 - but quality prototyping board like this has been hard…Read More…
I've always preferred to build prototypes using "solderable breadboard" style prototyping board, which has holes tied together in groups of 3-4 - but quality prototyping board like this has been hard to find at a reasonable price. This 4"x4" size is the largest size of prototyping board that I offer (see below for links to smaller versions). All of these are manufactured on high quality 1.6mm thick FR4 material with lead-free HASL surface treatment, double-sided with plated through holes. Compare to other prototyping board around the internet, which is often made on low quality single-sided phenolic resin with no surface treatment in the copper - we wouldn't use that garbage in our projects, and neither should you!
We have it available in several styles
The 4" x 4" board has a ground trace around the outside, crossing the board in three places, and three independent power rails next to the ground rails.
Sometimes you need a ground plane to manage noise, EMI, or for other reasons. For projects like that, we now offer an enhanced 4-layer version with a ground and power plane. In these boards, all ground stripes are tied to the ground plane, and the three power rails are all tied to the power plane (ie, they are not independent). This is otherwise identical tto the standard 4x4.
These are boards with very large pads to solder to on either side, like the ones used for prototyping in the 1960's and 1970s. Those who were used to working those in industry, typically now retired, always went for their old stock of them when they wanted to wire up something quickly.... except that by now the glue is so old between the copper and the substrate, that pads lift almost effortlessly now on vintage board. One VIP user (who happens to be related to me) whe doesnt like perf-board/protoboard/etc like most of my offerings, and preferred his old prototyping board that was made in the same vein as this (only with hand drawn traces in the few places there were traces - they didn't have EagleCad back then), and requested some replacements for the aging stock he had. These are the two designs I brought to him, and they are now available to you as well.
There are two versions - they differ only in how many of the pads have a via connecting them to the one on the opposite side.
Many pads are connected to thrrough holes near the edges - this is marked on the silkscreen. Many pads have a via in the middle - this leads to the similar pad on the opposite side. The chief difference between the two variants These pads are connected to the opposite side by visible vias, or routed through paths traced in white on the silkscreen. There are two kinds, one with more holes in it, making it easier to connect the two sides at the cost of losing available space on the other. Tjese a;sp jave some traditional protoboard
If you have any thoughts on these, please do share them - (right now I only have feedback from one individual, said VIP, but I fear he may be biased, and I am his son and I gave him some for free).
Available for the Arduino Nano and the Espruino pico, these provide a mixture of through hole and surface mount prototyping space, as well as pads where that ever popular enabler of WiFi, the ESP8266 can be added directly onto the board.
These were previously on their own listings, but as sales had fallen off dramatically, I needed to unclutter the product lists, and have merged them into these listings. Note that unless there is a big uptick in demand, these are unlikely to see a third production run.
The following is a lightly edited version of those product listings, combined because mostly they're the same
These boards provide pads for the most popular surface mount packages, broken out to rows of 0.1" pin header for ease of connection. Each pin goes to two or three holes, so making multiple connections to a pin is no problem. At the top, a row of 8 pads that can take either an SOT-23-6 part (such as the MAX1555 LiPo charger IC, or some small EEPROMs), or the 5050 package commonly used for RGB-LEDs, including the WS2812/B. On the back of the board, these pins go to pads for three SOIC-16 packages (you can put two SOIC-8's next to each other too). To the right of that are two banks of pads for SOT-23 MOSFETs. Each bank of 4 fets is connected to a common source, and pads are provided for a resistor between source and gate. A barrel jack, and optionally voltage regulators (in SOT-223 and SOIC-23-5 package) can be added to supply power. These also have some extra-small footprints, with MSOP-12 (0.5mm pitch)/WSON-12 outline on the opposite side of the board from the MSOP-12 (0.65mm).
The popular ESP8266 wifi module can be easily used with the pads in lower right corner, this fits the ESP-12F which has become the most common these days (be sure to also add a sufficient capacitor for it, and a full sized 3.3V regulator).
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Domestic packages that go more than 1 week without a tracking update will be presumed lost in the mail and refunded or reshipped as buyer prefers. Any international packages can be delayed in customs without warning for 2 weeks or more. After 1 month without a tracking event (2 months to South and Central America - insane delays in those nations are commonplace), we will reship or refund a missing order (as you prefer). COVID-19 update: Some countries have stopped processing incoming international mail entirely -we will cancel orders to countries which we know are not processing international mail at all. This may also cause longer than usual shipping times - we are not responsible for such delays.
We do not open inquiries through the postal service - experience has shown this to be futile.
We ship all orders via USPS. UPS will be added as an option in the near future, I hope. We do all shipping through Stamps.com, and they offer me UPS, but all addresses are rejected as invalid, and I have emailed support numerous times and have had zero response. So at present, we cannot entertain requests to ship through other carriers.
Kailey | June 2, 2020
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