• Try Eating the Leaves of your Broccoli

    I picked broccoli leaves yesterday and they were surprisingly clean. There was nothing in the water after the first rince. I don’t know how long it will be before we […]

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  • December is Time to Think About Next Years Seeds

    I checked my seed packets to see what I’ll need to get for the January indoor planting, and realized that we’ve had such a mild winter that my garden is […]

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  • Garden Chair

    My favorite garden tool is my lawn chair that tips back to get the kinks out of my back. I move it from sun to shade and do most of […]

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  • Hydroponic Pea Shoots

    I’ve tried lots of different hydroponics methods. While all of them work well, none of them addressed the exact needs that have. I want the following out of a hydroponics […]

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  • 2 Liter Bottle Hydroponics

    This is a fun and simple way to get into hydroponics gardening. 2 liter bottles make excellent hydroponics containers and they’re cheap. I’ve had excellent results growing lettuce in them, […]

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  • Hydroponic Dutch Buckets

    Of all the hydroponics methods I’ve tried, dutch buckets are probably the most effective at getting your plants to excel. I’ve never had as wonderful growth as I’ve had in […]

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  • Hydroponic Lettuce

    I’m always looking for 22″ to 24″ long containers that I can put under 4 foot long grow bulbs. After discovering bus boxes from the restaurant industry I think I’ve […]

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AVR and printf

Getting printf to work on an AVR can be confusing. We’ll show you exactly how to do it. STK500 Setup You should leave your STK500 setup exactly the same as it was setup for a previous guide, AVR USART Serial Communications. Required Functions You should keep all of the functions that you need from the previous guide: usart_init() usart_getchar() usart_purchar() […]

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AVR Port Input Logic

This guide teaches you how to make decisions based on port input conditions. STK500 Setup If you’ve been following along in these guides, then your STK500 should be setup like this. The important things to setup based on the picture above are: ISP6PIN connects to SPROG3 if you are using an ATmega32 PORTA connects to LEDS PORTB connects to SWITCHES […]

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AVR Menu Over Serial

Have you ever wanted to have a “menu” in your AVR that you can interact with over a serial connection? This guide show you exactly how to do it. STK500 Setup You should leave your STK500 setup exactly the same as it was setup for the previous guide, AVR USART Serial Communications. Required Functions You should already have all of […]

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Intro to Transistors

So far we have covered devices that have only two legs: resistors, capacitors, batteries, LED’s and switches. With the transistor we introduce the first 3 legged device. Transistors come in many varieties, shapes and sizes. For the most part, they all operate the same, with some subtle differences. Some of the many types of transistors include Bipolar Junction Transistors (BJT) […]

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