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November 2017 - Circuit Crush

Month: November 2017

Arduino and Raspberry Pi Holder

When you are building circuits and programming your microcontroller, you probably have it sitting on a table, wires going everywhere, and possibly shorting the bottom pins on clipped wire pieces, tools, and other obstructions. It can be a challenge to keep everything tidy and organized, which can cause trouble shooting issues. I’m looking forward to …

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Model Railroad DCC Control – JMRI / Raspberry PI

For those who want to control their DCC Model Railroad with their cell phones or tablets (pretty much any Android (Engine Driver) or IOS (WiThrottle) device), There is a Raspberry Pi image already built. Copy it to a sdcard, insert into your Raspberry Pi, and you are pretty much set to go! Once you’ve assembled …

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Breadboard Friendly ESP8266-01 / nRF24L01+

The cheapest WiFi modules on the market (around $3 each) are the ESP8266-01 boards, which are WiFi enabled microcontrollers in their own right (with limited I/O), or they can be used with an Arduino as the WiFi interface. However, they have a funky 2×4 header that is not breadboard friendly. Here is one possible solution. …

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