Recent content by ac21

So I went balls out on a project for work utilizing the touch feature of the 20m2, basically three buttons (copper wire strands rolled into a circle) behind some plexi glass, I got some base readings and some button pressed readings and wrote some code. Little did i know that all my readings...

On a voltage regulator like lm2576t what is the min input current and/or voltage needed to achieve 3amps?

Wells i got a max of 245ma with all leds lit, I ordered some 20x2s also .... and made a dc-dc buck converter that will handle 4amps when i get the 20x2 i'm going to start with xtech007's code unless someone has a reference to another

I bought five of those eBay max7219 8x8 dot matrix kits, it didn't have a datasheet with it but google tells me that it may require up to 2 amps each? Is anyone familiar with these? I should be able to set them up in cascade by connecting one with dout pin to the next with din pin?

Has anyone ordered anything from the picaxe store who's living in the US, I'm in Houston TX and want a PCB scope(OSC001) but just wondering how long it would take for me to get.

I'm not too sure about the resister but i did some research some time ago and came to the conclusion it was needed.

In this diagram should the suppression diode go to the 12v side or the picaxe 5v?

What would be the problem if i were to use a vary low value resister like the diagram shows? I would get 4.995 volts which would give me better resolution. the only difference i see is a amperage draw of that circuit is about 50ma(from source to resister not connected to picaxe pin) and with...

I have a program that counts hours and minutes when slot 1 runs, when the program shuts down it stores hours info in i2c eeprom like so setfreq em32 #slot 1 ;#terminal 38400 #no_data #no_table keeptime: do if pinC.5 = 1 then gosub xxsecs ; 1hz signal if pinC.7 = 1 then...

I'm trying to figure out how the comparator function of a 28x2 works. I want to hook up a two wire fuel sender(the type you see in older cars) to it. One wire goes to ground with the other wire will be in a voltage divider type setup reading .5v(full) to 3.0v(empty) or so. My question is will...

hey Rick100 I removed the irrelevant parts and its still too long so i made a file

I'm working on a project where i need a bar graph to display on a 20x4(one line) display to show readadc data from 0 to 100%(0-255). Ive searched and searched but haven't found a way to do this the closest I've came is this and it has some issues .. has anyone done this before, I don't want to...

I have a 20m2 and writing a program the memory became full at about line 638 and I have exceeded 2048 bytes.. and i have a about 300 or so bytes to go to complete the project. I was looking to buy a 20x2 or 28x2 but in my research ran into this which is kinda confusing. under the m2 parts...

I made a adjustment to marks code to auto adjust for daylight savings time in the US. The rule is as follows: begins(+1 hour) at 2:00 a.m. on the second Sunday of March and ends(-1 hour) at 2:00 a.m. on the first Sunday of November this is the code tell me what you think the lines in red is...

I have a lcd running in 4bit mode successfully on a 20m2 with int setup like so symbol E = c.7 symbol RS = c.5 int: let dirsC = %10011111 I tried this with RS on b.6 but failed int: let dirsC = %10001111 let dirsb = %00000010 Is it possible to change RS to the B port side...