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http://www.parallax.com/tabid/393/Default.aspx Anyone had this working with Picaxe? Code example?

http://letsmakerobots.com/node/37621

http://omerk.github.io/lcdchargen/

The Picaxe internal comparator can be configured as an op-amp. See this app note tip #12. Using a comparator this way is not ideal and will probably cause some harmonic distortion, but that's irrelevant with regards to a go/no-go sound detector. Neat huh? I'm not set up to try this ATM, but...

I have been going about this the wrong way. I couldn't see the wood for the trees. It was your fancy encoder that put me off. How about KISS! Absolute repeatable precision with only a single robust component and using a single Picaxe input. Remember what I said about a notch/detent and some...

Anyone have any tips on how I can get a few old/unwanted/broken CD/DVD/HDD drives? I'd like to play with the motors. :)

I'm open to suggestions for my next probably-never-complete-it project. I play a weekly RPG (pencils and dice) game, and I figure why not make it easier with an electronic dice that can be easily configured for any probability. Easy yes? Ok, so I've purchased a couple of nice big blue 7-Seg...

Questions about this sort of thing arise from time to time, so I've written this generalized routine that should work for most people. In this example, it detects when 3 events occur within any 10 seconds. Change the Events constant and the Interval constant as required. Uses the M2 parts system...

Interesting PDF document on oversampling, averaging and increasing ADC resolution. It's aimed at AVR users, but the information is applicable to all microcontrollers. It's a bit technical, but interesting none the less. Found it on this page, while following a link posted by Radiogareth in this...

http://www.ebay.co.uk/itm/SAA1064-DIP-4-digit-LED-driver-with-I2C-Bus-interface-NXP-/181041358803?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item2a26e7e7d3 Two of these will drive a 4x4 LED cube directly (no resistors). LED current set in software. Picaxe just decides the pattern and...

http://www.ebay.co.uk/itm/NEW-ELECTRONIC-COMPONENTS-DEVELOPMENT-KIT-828-PCS-PCB-CAPACITORS-TRANSISTORS-IC-/160861821528

http://www.ebay.co.uk/itm/Ultrasonic-Sensor-Distance-Measuring-Module-Transducer-/300595165811?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item45fcde3a73 £1.37 ! Amazing.

http://www.ebay.co.uk/itm/Serial-IIC-I2C-TWI-SPI-Character-LCD-Module-Display-LCM-1602-162-Arduino-/200876328591?_trksid=p2047675.m1851&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D14513%26meid%3D6054233483749472316%26pid%3D100005%26prg%3D1048%26rk%3D3%26sd%3D170999454850%26...

http://dx.com/p/portable-external-2500mah-emergency-power-battery-charger-for-iphone-cell-phone-purple-186685

http://www.bareconductive.com/

http://www.ebay.co.uk/itm/12V-24V-6-8A-320KG-CM-High-power-High-torque-Servos-Driver-Full-Metal-Robot-/180983367813?pt=LH_DefaultDomain_0&hash=item2a23730885

This: http://www.ebay.co.uk/itm/5pcs-Mini-5V-USB-Interface-1A-Charging-Board-Module-Charger-For-Lithium-Battery-/180921085924?pt=LH_DefaultDomain_0&hash=item2a1fbcafe4 + This...

http://www.wimp.com/teachrobot/

Adjustable voltage up to 22v, adjustable current limiting up to 5 Amps. 110 Watts. <£20 :) http://dx.com/p/03100173-diy-5a-constant-led-driver-li-ion-battery-charging-module-red-169504 +...

http://dx.com/p/akasa-ak-fc-08bkv2-5-25-30w-6-channel-cooling-fan-speed-controller-for-pc-black-166370 Looks sweet. I'm sure it could be pressed into many Kinds of service. I'm a bit short right now or I would have ordered one. Even though I have no immediate use for it :)