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I saw some info about DIY force sensitive resistors, using conductive foam and metal plates, but I'm not sure how long lived they would be. I don't want to be digging up paving stones very often...
I'm trying to create a keyless lock for my shed. Instead of a numeric keypad, I thought it would be fun to use the paving slabs in front of the sheds as 'keys', so you have to step on them in a particular sequence to unlock the door. (I already have the electronic lock and I'm happy to interface...
Hi,
I'm building an LED display from a group of 5x7 matrices. I'm building it in stages as I have got to grips with PIC programming, shift registers, multiplexing etc. My next challenge is understanding how to power it though, and I'm having no luck finding anything to help me on the web.
I...
Hi,
I'm 'getting to know' a shift register (8 bit serial in, parallel out) before connecting it to my PIC, by putting it in a breadboard with LEDs and trying to send it data using jumpleads.
I get a problem where all off the LEDs are either on or off, and I'm wondering if thats because of...
Hi there,
I scored a bunch of 5x7 LED matrices from eBay, for a scolling LED sign project. I found the data sheet and thought step 1 would be to familiarize myself with the pins and trying to light up individual LEDs. I've using jumper leads on my breadboard so that I cold rationalise the...
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