4 inch square prototyping area, with outline for Arduino Pro Mini (or Nano), and many pads for SMD partsDesigned by Azduino by Spence Konde in United States of America
Project board for Arduino This board provides 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...Read More…
This board provides 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.
Now shipping Rev. B 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 the lower right corner. These are for the Wi7-7 and Wi7-12 package, (from Electrodragon and others), and pads are provided for a capacitor across the power supply, since these seem to need it (Of course, you can use the Wi7C-1 with the 8 pins in the through-hole prototyping area). These same pads are the same spacing as used in the HopeRF RF transceiver modules and many others. The spacing is also the same as used in 1W RGB/RGBW LEDs. While the LED would rapidly overheat at full power, this might be useful at a lower duty cycle, or for brief flashes. In this case, the SOT-89 pads on the underside can be used for AMC7135 current regulators for the LEDs.
If you aren't using the SMD pads, the through-holes connected to them can be used as normal prototyping area. Alternately, the large space can be used to mount additional modules - for an example of this, see the third product picture, showing a prototype I made where most of the space was taken up with modules, and only the SOT-23 outlines are used for SMD parts
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Josh | Sept. 26, 2015
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