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give a fuck enough to need the last word eh cobber?

all mice are optical. mice without a ball mainly use plain red led. its detected by a tiny low res camera that has built in hard/software to detect movement of the image and convert this to directional data. some chips give access to raw data out for debugging and you can adapt these for use as...

sorry, but a toy is anything that is a device of pure recreational value. i can blind someone with a snooker cue if im an asshole. what do YOU call a laser pointer in the field that YOU use it? do you use it as a tool? a weapon? a rescue beacon? i hope not, because in either case a laser pointer...

well i wont be stumping up 200 dollar for a power meter, for what a pointer does: burn stuff, be pretty, i cant see the difference between mine and the videos of wickedlasers stuff costing loads. bottom line is pointers are toys not scientific instruments. not kids toys sure but toys none the...

i wonder how many people care about the details of the pointer they buy except the tiny minority that have it as a real hobby like stamp collecting. i would say there are 2 types of customer, one who wants to wave a colour dot about for a few days and gets bored, throws it in the drawer. the...

so how much will efficiency of diodes vary? its easy to measure the power drawn from the battery, unless they regulate the diode with a stupid shunt reg. i cant imagine even the chinese doing that today now buck/boost chips are so cheap.

what will you be viewing your 'dot' through? thats gona be a huge telescope

i bounced microwaves off the moon with a oven magnetron and a dish. ham radio is fun! the dish is a bit like a beam spreader, microwaves are a lot more forgiving than light. plus you get 800 watts to play with. try something like the catadioptric mirror lens, you can ebay a russian one for 50...

after testing the max amps from the lithium cells electricly you cant get over 5w laser power with a realistic efficiency diode unless theres a fat capacitor and you run in short bursts. that aside, theres still a chance the diodes are industrial rejects meant for far higher powers? could it be...

i just got a similar 1w blue from alibaba. it was 61 dollars so i thought it was worth the risk. i specificly bs'd the seller saying i was a dealer and will check the power of this 'sample' and it seems powerful but without a lpm i have nothing to compare it with exept a lazerpoint green 200mw...

hi, im new to playing with high power lasers, in fact i only recently found out laser tech has got tthis far. i just bought a 200mw green and 1000mw blue and the first thing i noticed exept for the power is that the dot shape and collimation on the green is far better (true dot) than the blue...