Recent content by the old fart

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    pulsin for Model Radio Control.

    I've used pulsin for lots of my RC projects, with great success. It works fine as long as the program is not too long. Am I right in believing that I can't use the servo command because I'm using the pulsin command, something to do with internal timing. Is it possible to use multiple interrupts...
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    miniature boiler sight glass low water alarm.

    Picture of boiler showing sight glass.
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    miniature boiler sight glass low water alarm.

    Hi Guys, I need to detect the water level in a sight glass for a model steam boat. I could use a probe fitted into the tank, but would prefer to clip 'something' onto the sight glass to detect water low level. The sight glass is 5mm o/d. Any idea what the 'something' could be? thanks TOF
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    serin with qualifier

    Hi Guys, I have a 40x2 and a 20M2 talking to each other via URF radio units. If I program this 20M2 serout c.1, n9600_8, ("R05","R",b8,b4,b5,b6,b24,b4,b5,b6,b24,b8) 40X2 SerIn [800], radiorx, baud2, ("R05"),b10,b11,b12,b13,b14,b15,b16,b17,b18,b19,b20,b21 all works fine. but if I try to send...
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    RS 232 maximum length.

    Hi Guys, Picaxe 40x2 chip. What is the maximum cable length, that would still give a reliable signal at 9600baud? using shielded twisted pairs. TOF
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    RGB-Matrix-LED-screen module driver info required.

    Hi Guys, Has anyone managed to interface picaxe to this module? http://www.ebay.co.uk/itm/RGB-Matrix-LED-Screen-Module-Driver-Board-Full-color-8x8-Arduino-No-Dot-Matrix-/271969146694 It uses the i2c interface. I can't find a datasheet anywhere. thanks TOF
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    Advice Required for Connecting multiple picaxe over radio link.

    Hi Guys, With reference to my project, large miniature railway. http://www.picaxeforum.co.uk/showthread.php?28328-help-needed-with-I2C&highlight=railway I've been asked if the signals can be controlled by radio link, ie xbee. I have read the Xbee tutorial and datasheets. So I have a few...
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    help needed with I2C

    Hi Guys, I've been asked to look into a project to control a minature steam railway signalling. I thought of using a number of 40x2 and 20x2 chips. Interfacing between the chips using the I2C bus. I've downloaded the tutorial and read it more than once. Is it feasable to think along these...
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    axe134y OLED with 08M2 problem

    Hi Guys, Can someone tell me what I'm doing wrong? 08M2 pin C.0 to OLED display. also tried on C.1, with same result. location on oled is correct, the 'p' is displayed followed by the wrong characters. clear screen command not always working. add setfreq m4 but still the same. If I connect...
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    disconnect command

    Hi Guys, 08m2 when I use the disconnect command, it's stopping serial output on pinC.4. c.0 is an led ;catalex mp3 player ; #Picaxe 08M2 SetFreq m8 'Must be set to 8mhz or 16mhz for Serout command to work at 9600 baud disconnect Init: pause 2500 'Required for proper operation after...
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    Club 500 model boat racing.

    Hi Guys, Our model boat club is about to expand to Club 500 boat racing h**p://w*w.club500slipway.com/about.php Initially were looking for a way of timing up to 6 boats at the same time. Would also need penalty input. Has anyone made / used such a system? My thoughts are: use a 40x2 to do...
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    OLED and Freq

    Hi Guys, expect this is easy, for those who know. Chip 20X2 OLED AXE 134Y Pin A.0 I've a program that switches between 4Mhz,8Mhz,16Mhz and 32Mhz. I can output to oled: @8Mhz serout a.0,N2400,(245,128,"sample 8Mhz") @16Mhz serout a.0,N1200,(245,128,"sample 16Mhz") I can't get 4 or 32...
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    Design spark 7

    Hi Guys, I see that Design Spark 7 has been released. h**p://www.rs-online.com/designspark/electronics/eng/page/designspark-pcb-home-page Has anyone tried it yet? Does it support the Picaxe library? thoughts? regards tof
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    OLED Burn In

    Hi Guys, I have 3 AXE134Y Oled Moduals. The first one I purchased has started to fail. 10 locations have missing colums, another has a missing dot. I've output a screen test using CGRAM serout C.4, N2400, (254,120,31,31,31,31,31,31,31,31), to all locations. I can read the usually displayed...
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    Model Boat Diesel Engine Noise

    ;20x2 diesel sound generator. #picaxe 20x2 #no_data #no_table 'VARIABLE DEFINITIONS 'CONSTANT DEFINITIONS 'select variable 0-15 symbol var01=c.0 symbol var02=c.1 symbol var04=c.2 symbol var08=c.3 'select parameter symbol par01=c.4 symbol par02=c.5 symbol par04=c.6...
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