Similar to my other "project boards", this board combines outlines for an ESP32 and power supply circuitry with plenty of prototyping space for SMD and through-hole parts. This enables rapid protot...Read More…
Similar to my other "project boards", this board combines outlines for an ESP32 and power supply circuitry with plenty of prototyping space for SMD and through-hole parts. This enables rapid prototyping of projects involving the ESP32, as well as being well suited for unique or nearly unique parts for home hobby projects. By integrating common SMD footprints on the prototyping board itself, the need to use breakout boards is reduced, and by using real soldered connections (as opposed to solderless breadboard), reliability is greatly improved, and the project can be moved around without worrying about wires getting pulled out. These boards make it easier than ever to make a durable prototype or one-off project with the ESP32.
This board features pads for an ESP32 in the ESP-WROOM32 modules on a 2" x 4" board (same outline and hole location as my general purpose 2"x4" boards ). All the GPIO pins except those used for the SPI flash are broken out into groups of through holes along the bottom edge. The power supply section can use an SOT-223 regulator with one of two pinouts (only one regulator at a time), either the 1117-series ones, with VOut on the tab (using the outline on the top of the board), or the other pinout common for many lower-dropout regulators, with ground in the middle (using the outline on the bottom of the board). Input and output caps on the regulator should be 1206 and meeting the specs for the regulator. The ground and Vcc lines are routed around the board with nice, thick traces, so you're never far from power and ground, and Vin is accessible in two points as well, including right in the middle of the SMD prototyping area to supply any level shifting IC's you may need.
Project boards for ESP8266 - Same thing, except for the ESP8266
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United States Postal Service: Economy (untracked, bare boards only)
The cheapest shipping option available, for bare boards within the United States only.
United States Postal Service: First Class Tracked (recommended, cheaper than economy for 5+ items)
United States Postal Service: Priority Mail - Flat rate (fastest, tracked)
Domestic shipping via USPS Priority Mail - USPS advertises 1~3 day shipping time within the continental United States. This is a flat rate for any quantity of items - this is your chance to buy piles of small cheap items like my mini prototyping boards without paying extra for shipping!
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I build projects with Arduino (ATtinies almost exclusively, never anything bigger than a '328p) and Espruino (often both working together), and I make a lot of circuit boards for these projects. Particularly after using my ATtiny-prototyping board for my own projects, I realized that these would be useful to other people, and decided to start selling them here on Tindie.
Strip Board, Protoboard, prototyping board, solderable breadboard - whatever you want to call it - it has been a mainstay in electronics prototyping for decades, and hasn't changed much in the interim (not even in production quality, as they're still often single-sided and/or manufactured from low-grade phenolic resin instead of FR4). My prototyping board creations bring these into the modern era, offering a combination of 0.1" through-hole prototyping areas (consisting of groups of 2, 3 or 4 pins connected together, like solderable breadboard) and pads for common surface mount packages connected to through-holes for easy soldering. To handle projects of all sizes, I offer prototyping board as large as 4" x 4", down to less than an inch square in my Mini Protoboard line. Unlike most commercial prototyping board, these boards are made to the same quality standards as real PCBs. Through-holes are plated, and the boards are double sided. These are offered in both generic versions, and ones tailored to specific microcontrollers, like the Tiny84/85, or microcontroller boards, like the Espruino Pico, Arduino Pro Mini, and the wildly popular ESP8266.
ATtiny breakout boards:
I love the ATtiny lineup, particularly some of the less popular ones, like the incredibly full-featured ATtiny841, ATtiny1634, and ATtiny828. Breakout boards for these that had the features I wanted were not readily available - so I made my own. I've since expanded my product line to include breakout boards for the ATtiny861, ATtiny167, and ATtiny88 - and all of these are available both as bare boards and assembled. In addition to designing the hardware I also maintain [ATtinyCore Universal](https://github.com/SpenceKonde/ATTinyCore), which enables Arduino support for all these ATtiny's and more.
I also sell a number of other boards to fill what I felt were gaps in the market, including a breakout board for the popular LoRa/LoRaWAN modules from Microchip (the RN2483 and 2903), which has become one of my top selling items. I also sell MOSFET drivers and breakout boards for logic level MOSFETs operating at logic levels of 2.5v and lower - while a great number of MOSFETs are available that operate with very low gate voltages, these are almost invariably SMD parts which are difficult to use without a properly designed breakout board.