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has anyone made a tester for SLA type lead acid batteries?.... the recommended method seems to be to pass a small ac current of around 1kHz through the battery to determine its internal resistance....

Is PIC16F1847 exactly the same as PIC18M2+? I ask as the ones I recently purchased (from a reputable UK supplier) are only marked 16F1847 with no reference to them being 18M2+ TIA

I have the latest editor program and the laptop (win 10 pro 64bit) is fully up to date Opening editor takes ages to load on the laptop and when saving a file also takes an age, usually with a “this program is not responding” message appearing…. If left it will eventually complete No such...

I am trying to copy old 8mm cine film to digital using a projector I have been through hoops of trial and error and have settled on videoing the actual film itself using a close focus lens looking directly at the film gate (i.e. emulsion side) with the projection lens removed as it gives...

I'm sure it's been asked many times but is there or will there ever be an app for Android to connect to PIC......even if we can't program it, something to monitor any sertxd commands would be helpful when debugging

I have two 082M+ both from the same batch....one will download without power cycling, one wont (needs power off, start download, power on) why would that be? The one that doesnt program fails at "looking for hardware on port 4"

What are the units in this command symbol motor_max_time=15000 I presumed they were in milliseconds and I ask because the delay is considerably longer than 15 seconds - in fact it's around 55 sec! thanks

I havent used Picaxe editor for a while but now find that every action is painfully slow.....loading a file/saving a file/ running the simulator I have the latest version of Picaxe editor installed on laptop and a powerful desktop both running windows 10 64 bit and everything is fully up to...

How do I automatically open a terminal window after download?.... this page http://www.picaxe.com/BASIC-Commands/Serial-RS232-Interfacing/sertxd/ says "There is an option within View>Options>Options to automatically open the Terminal windows after a download" but I am damned if I can...

I am using a 18M2 with a DS3231 real time clock module... with the help of the frum I have worked out how to set the time....... but how do I set an alarm time and how do I set a pin on the Picaxe to respond when that happens ? cct & code attached for my curtains and lights controller.... I...

Hi, I am using a 18M2 and am confused over "what" variables I can use... e.g. 'w0 = (also b0,b1) 'w1 = (also b2,b3) 'w2 = (also b4,b5) 'w3 = (also b6,b7) 'w4 = (also b8,b9) 'w5 = (also b10/b11) 'w6 = (also b12,b13) are there any others I can use ?

Am I correct in thinking pin 6 on the newer 18M2+ is an i/p / o/p pin whereas on the older 18X it was o/p only ?

My 95 year old father keeps leaving his freezer door open so I thought it would make an ideal and relatively simple PIC project..... I have got so far and it all works on the sim but I have one issue I am struggling with......under hi-temp alarm condition and IF the door is also open, the LED...

How do I "adjust" the temperature values of a DSB1820 when running the simulator ? Do I also need to tell it that the DSB is connected to C.4 or is that the only pin I can use ? Thanks

As per title really.....when I run the simulator I am sure it used to step through the program (like it does when you manually step through it but obviously much quicker) but it no longer does so. Did I really imagine this :confused:

The project is to replace the front & rear washer pump control on my car as one of the relays in the CANBUS BSi is sticking and I cannot justify £400 + to repair just one relay.......and no, it doesn't come apart - believe me I have tried ! When I run the SIM on my PC and keep either button...

I am trying to log the SERTXD output - e.g. sertxd ("line 75 first read ",#ldr, cr,lf) via the com port and save it to a file on my laptop (as I have done many times before) using the AXE027 USB lead (don't have any serial ports, just USB) I am using a PICAXE 18X, 4MHz, 256 Gosub Serial...

I am investigating the possibility of using a SRF005 based ultrasonic module to accurately measure the amount of heating oil in my tank and send it via a wireless link to a receiver - yes, I am aware that commercial units are available but their resolution is extremely low (e.g. in tenths of the...

Heres one for you clever people to ponder...... My curtain and lights controller has recently started playing up...it reads the light level from a TAOS TSL250R (into #w0) and sends a signal to an external RF remote controller to turn lights on at a preset darkness then when it gets darker it...

Trying to use this simple function .....other lines & checks IF current_temp <=min_temp then: do something .............: endif ....other lines & checks only proceeds if the current_temp is below min_temp, if it is = to then it doesn't do anything. Have I missed the obvious ? Thanks in advance