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I do realise this is slightly off toppic...But Im trying to produce some PCBs for my picaxe project using photo-etch style board...I can get hold of the chemicals required and the board nice and cheap, but a proper UV box is the best part of £100.... Could I use something like a 75W blacklight...

I know this isnt directly related to PICAXE but im not sure where else to ask such a question... The temperature sensing module im using to feed into my 28X1 (Requires a 1.5V supply) is programable for temperature limits, which is why im using it... However, should the mains supply that im...

I need to input 1.5V logic into the PIC, so have decided to use a BC184L NPN transistor. Would this be the correct layout to do the job? I can get the transistor to switch an LED when a 1.5V HIGH is supplied to the base...

I have build a basic circuit using a 28X1 connected to an LED via 330R resistor.... Using picaxe programming editor I have writen a simple "on, wait, off" program that is suposed to switch all pins on and off, just to see if it all works ok... The program downloads fine using the latest...

Im getting a bit confused with the datasheet for the 28X PIC16f872 Provided I use a suitable resistor to tie the input pins to 0v can I then use a 1.5V input logic? Or should I seriously be considering using transistors to step the 1.5V logic up to 5V? Is it possible to step up the voltage...

Im looking into the possibilities of using a Picaze 28X1 to control an unusual central heating system. Because of the nature of the system a lot of the inputs and outputs need to be 230v AC with a maximum peak load of 0.2A. (4 mains inputs, 3 mains outputs) I was considering using relays to...

We are trying to use the assembler in picaxe to flash a 16f872 or a 16f628 via the chip factory unit and a serial cable. We have the latest picaxe sofware and the latest hardware in the chip factory.. When we try and flash the chip we get a message " no picaxe programmer connected" why...