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    Building a UPS for raspberry pi (Long post)

    Greetings! First i want to apologize for my English and I hope you understand me well enough to help me with some coding advice. I have been around the forum for a couple of years and done some smaller project with PicAxe but nothing really big. Half a year ago i started building two home...
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    Help needed with background recieve and pointers.

    Greetings! Im currently working on a serial port sniffer/logger and have run into some things i dont quite understand. Im using a 28x2 module (AXE200) with a 24LC128 eeprom and 4,7K pullup soldered to the underside of the module. The main idea is to background recieve one series of data bytes...
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    Tiny smd Picaxe 08M2 electric dice.

    This is a small project i made to practice making compact pcb layouts in eagle. It turned out that it`s also good practice at smd soldering. First I found a circuit-diagram of a descrete dice and found out that this would be even easier to do with a PicAxe. When the design was finished...
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    Using picaxe 08M to invert serial data?

    Greetings! I was wandering if i could use a 08M as a NOT gate for inverting serial coms. My plan is to make a serial inverter that can be controlled by a tactile switch to choose if the serial stream shold be inverted or not. I was thinking in the line of: Setup for interupt on input 3 to...
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    08M2 Serial PWM Motor driver.

    Greetings! Just wandering if I`m on the right track here. The general idea is to bombard a 08M2 hserin with two bytes containing address for the device and the speed and then let the 08M2 adjust the pwm-frequensy and direction pins(this will be used to drive a currently unknown H-Bridge) I wrote...
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    Detect connected LED?

    I was thinking.. Is it possible (and if: how) to use a I/O-pin to first detect if a led is connected(via ADC?) and then turn over to a output and controll the led as normal? Ideas are more than welcome.
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    Cellphone triggers touch-input.

    While working on a project with the new 18m2 I went to make some coffee leaving my cellphone on the table beside the project(Silent mode). Then i suddenly hear happy birtday start playing and runs back to see whats going on.Then i see that my mother in law is trying to call me. After a quick...
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    Bad idea?

    The picture should explain. Would it be a bad idea to add the red wire to jumpstart the relay? Must admit i allready done it, but havent had time to check if something is broken yet:rolleyes:.
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    AXE090 Board dimenisions?

    Just a quick question as my board getting shipped. Anybody knows the bord dimenisions for the axe 090 board?
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