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This PICAXE-28X1 code was developed to drive a cheap 32x8 LED dot-matrix display from Sure Electronics - the driver used is an HT1632 from Holtek Semiconductor. The program displays a continuously scrolling message (up to 63 characters long) on the display (click here for a video). The code is...

I was wondering if anyone here has found a practical way to interface a microcontroller to a microprocessor circuit. Even at the assembly level I don't think a PIC micro is going to be fast enough to reliably respond to a microprocessor's read/write cycle directly. I currently perform a number...

I have an old PICAXE-18X that for some reason is no longer seen by the programming editor (I'm not sure why, it simply can't be detected; all other PICAXEs I have still work fine). Rather than throw it away, I was wondering if old PICAXE-18X chips could be reprogrammed with regular assembly...

I'll first mention that I am fully aware that this is not related to PICAXE microcontrollers, so I apologise in advance if I shouldn't be talking about it here -- but I don't know of any other electronics forum with a high concentration of UK-based members. In a nutshell, I have an IC (a Z80180...

I have a PICAXE 28X1 connected to a TI graphical calculator (via portC). The calculator's link protocol uses two data lines that normally float high, and either device can pull the line low to start a bit transfer. Which bit is transmitted depends on which line is pulled low: the sender pulls...

I'd like to build a controller (input only) for my PC which uses an 08. I need at least six switches. The reason I'm building this controller is that computer keyboards don't tend to like three or more buttons held at once - depending on the keyboard and which keys, of course - so all button...

I'm working on a project using the VMusic2, and a PICAXE-28X1 is (currently) acting as a crude converter between serial and the Texas Instruments linking protocols. I'm using the hardware serial routines on the 28X1. For the most part this works well, but when receiving larger quantities of...

This is in Programming Editor version 5.1.1. I use a PascalCase capitalisation convention; when I enter #EndRem the block underneath #EndRem continues to show as commented. #endrem is fine. I assume this isn't by design?  

First and foremost, I am highly impressed with the quality of the programming editor software (complaints or suggestions always sound louder than praise). Once the software is running, it keeps the serial port open. I'm interested in using the PICAXE as an intermediate device between a piece of...

Somebody wanted to control a particular MP3 player with their calculator, so I suggested the PICAXE series. The PICAXE system would be acting as a bridge between the calculator and the MP3 player, converting the MP3 player's serial comms to the calculator's native byte transfer protocol (the...