esp-85s.brd

lamloei.com.

2 layer board of 0.71x0.77 inches (18.01x19.51 mm).
Shared on December 10th, 2016 04:59.

esp-85s

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ZX Specc +2A/B & 3 video mods

Claudius.

2 layer board of 1.70x1.00 inches (43.28x25.50 mm).
Shared on December 9th, 2016 22:13.

Composite Video Output for ZX Spectrum +2A/B & +3
TEA2000 LUMI delay line

PCB v. 0.95

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MINI_SAM_TQFP_8-Pin_SIMPLE_2016_12_09_001.brd

bwshockley.

4 layer board of 0.96x1.55 inches (24.36x39.47 mm).
Shared on December 9th, 2016 20:41.

Details https://github.com/bwshockley/Minifigure-SAMD21E

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Mightyduino v1.2

paulo.

2 layer board of 1.83x0.92 inches (46.38x23.27 mm).
Shared on December 9th, 2016 19:08.

New version 1.3 HERE

Mightyduino

A DIY Arduino type hardware board based on ATmega644p Atmega1284p

Hosted on Github

This project is free and based on @MCUDude’s MightyCore which has awesome well designed kits for serious development with AVR’s. top

Mightyduino is an Arduino with more memory than an Arduino Pro mini. It can use 644p (64k) or 1284p (128k) chips. It’s voltage can be configured by U1 and the frequecy can be configured by the Murata’s ressonator (crystal). It has a power led and another one connected to pin D0. The push button performs reset. DTR pin can be used to external reset. The RAW pin is the input voltage <16v. The VCC pin is the regulator output and IC voltage, it can be loaded up to peak of 500mA.

To burn the bootloader (optiboot 6.0) you must first install the MightyCore boards on Arduino App , connect the ICSP pins to your bootloader programming hardware (eg. USBASP), select one of MCUDude’s board that meet the specs you use and burn bootloader. Then you can access (ttl-serial dongle) like a normal arduino on the serial pins (like arduino pro mini). Mightyduino uses the ‘standard’ pin mapping.