Author Archives: austinlightguy

Light Dimming Using Ardiuno with Inverters

Since there’s not a lot of information about it out there in one place, I thought I’d share some insight into a problem I’ve been grappling with – dimming 110V LED lights run off an inverter using Arduino-driven triacs. Recently, … Continue reading

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ESP8266 Update

OK, since my first post on the ESP8266 and some replies I posted there as I made progress getting it to work, I’ve now had a chance to play with it a bit more. One thing about the inexpensive ‘bare-bones’ … Continue reading

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Bluetooth HC-05 and Connection Status Detection

I have a project I’m anticipating where I want a bluetooth module connected to an Arduino.  I’m going to have the bluetooth module connected to an Arduino under my car seat. I’ll have the bluetooth pair with my phone automatically, … Continue reading

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Experimenting with the ESP8266

Recently co-hacker Jay pointed this out to me: http://rayshobby.net/esptoy/ It’s basically a little board that has an even smaller daughter board (an “ESP-12”..more on this shortly) soldered right onto it, plus a USB-serial converter, a 3v regulator, an RGB LED and … Continue reading

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Homemade Security Camera based on Raspberry Pi

This is a great project!  http://www.instructables.com/id/Raspberry-Pi-as-low-cost-HD-surveillance-camera/?ALLSTEPS I’ve burned through some commercial consumer-grade wifi cameras – they tend to not last very long…possibly a function of the weather and our Texas heat. I’ve even repaired them a couple times; replacing the … Continue reading

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Fast Updates (frame rates) of Color Effect G35 Grids

It’s the time of the year to start playing around with Christmas Light hardware and software. Lately, I’m focusing more on simpler (i.e, less light strings) displays and more on incorporating my “mini mega light tree“. As described in previous … Continue reading

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Arduino-Based WiFi Lawn Sprinkler Controller

This post describes a project I undertook to build a home-grown, Arduino-based, WiFi-enabled lawn sprinkler controller. I don’t know about you, but I’m never happy with my lawn sprinkler schedule. In Austin, it can rain till my garage floods one week, … Continue reading

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Cat Cam

A little while ago, I heard a piece about The Secret Life of Cats on NPR. This dude put a camera/GPS logger on a number of cats and mapped what they do throughout the day. There info and a cool … Continue reading

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ASUS Transformer Prime antenna hack

I love my Transformer tablet, except for the well-documented crappy WifFi reception. Unfortunately, I was an early adopter and didn’t benefit from the wealth of community feedback regarding the problem this otherwise great tablet has with WiFi and GPS reception. … Continue reading

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Repair the WiFi on Your Foscam FI8904, FI8905 or Maygion IP Camera

I have three different WFfi-connected network cameras; a Foscam FI8904, an FI8905, and a “Magion” Chinese knockoff I got on DealExtreme. These cameras are all pretty similar. There are anecdotal stories that the Maygion is really just an unbranded Foscam with custom … Continue reading

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