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Hello I have a simple outside light switching system on an 18M2. Previously I used LDR's for day night sensing. 6 months ago the LDR failed so I directly replaced it with a Vishay TEPT 4400 all worked well until this last week when the system stopped switching on at night. I replaced the...

I have a simple IR receiver that operates output c.2. The circuit below works to either toggle or flash an output depending on which button is pressed. The response to "0" is always the flashing routine that is correct, and only "0" operates this routine. "96" should toggle the output which it...

Hello I have a simple program on a Pic 18m2 that operates an electric door. The program works correctly, except it does not always start instantly when the input is applied, rather it waits for it to be applied then removed. The trigger is from a keypad which is about 3 seconds. Entering the...

I would like to use some of the 16 OLED on board EEPROM slots. Do I have to send the full AXE133 program each time with the slots ammended or is there an abreviated way to just change the 16 slots EEPROM slots, or some of them. The OLED datasheet and the Picaxe manual are rather scant in their...

Hello I am making an alarm control panel with a 20m2 that will have 4 alarm inputs, some outputs and the alarms displayed on a Picaxe 16 x 2 OLED display. Getting the display to work correctly from the 20m2 is OK but... How to display more than 1 alarm in a cyclic style is my question. If...

Happy Christmas to you all. Is there a smarter or easier, way to program the following: I want to have a slow flashing LED but the input needs to provide a fast response prefferably without using interrupt. The only way I can do this is to break the pause time into multiple smaller pauses...

I have lost the yellow bar that follows the lines of code when you simulate in PE6. It must be simple to get back but I can't find it. Thank you to Picaxe store, ordered bits Friday pm and they arrived in the post Saturday morning. Also now I can unplug and plug back in my 027 cable and it...

Hello I have an 18 standard project board working as an external alarm control panel, with four infra-red beams connected to it and some LED's and a light switching relay. Day mode is fine, when you break a beam you get the corresponding LED change and the internal buzzer Night time operation...

Hello I need some programming tips on how to do this: I have a pulsing input (that will gradually build up and down between 0 and 4 Hz ) it will need to pulse an output at the same frequency until the input goes above a certain frequency (say 2 Hz )when I would like the output to remain...

With an Axe 027 trying to program an 18 standard board the cursor keeps moving to the right on my screen, pull it left it goes to the right on its own. Tried two different leads three different com ports. Restarted the PC several times. Left it for ten minutes and everything was fine, board...

I use LDR's for day night sensing. They work really well but do not have a long operating life. I have been trying alternatives, photo diodes and photo transistors, which I see in all sorts of commercial equipment. The units work, but at twilight there is no sensitivity so I get night time...

Hello Attached is a simple alarm program that uses B.2 as an output in alarm. C.0 is the alarm input, low in alarm and C.1 is the reset pin high to reset. B.1 and B.2 are outputs with B.3 pwm on an LED, the pwm just glows the led dim to bright in the normal state. If you run the program with...

Picaxe 18m2+, Picaxe 18 project board, not high power I have a simple project that at maximum current may draw 600 ma which is 100 ma more than the project board output. Max load will operate for seven seconds then it will reduce using pwm, the lower constant current will be nearer 380 ma...

Hi Have an alarm circuit day time buzzer only, night time buzzer and lights. All works great for a single input device. I now have a sensor that provides a pulse each time it is triggered. I would like the circuit to count if it is triggered two or more times in a 15 second period and then...

Hope you all had a Happy Christmas and I wish you all a happy new year. My problem: I have a SRF005 that shows the display on a AXE133Y display, all works well, but; If the distance is a single digit the number is steady. If the distance is double digits, 10cms or over the display shows the...

Has anyone experience of the cheap SSR's on Ebay? Looking at the 25/40 amp mains switching. I have been using £20+ versions from component suppliers, which are good, but, I was wondering if the £4 versions from Hong Kong/Mainland China were worth a try. I am only switching between 2-6 amps...

I have tried my best but its not good enough. Can't even see the problem this time. Simple project: Security system for outside lighting with 4 areas using an 18m2 with high power FET board Inputs: 4 individual beam triggers, LDR for day/night operation, potentiometer to adjust light on time...

Hello, this is my first post so please be gentle. I have a circuit using an 08M on an external beam, when the beam is broken it bleeps in the house in the day time, at night bleeps and brings the lights on. Below is my program, don't laugh, well not too loud. On the programming simulator the...