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These are 5mm superbright yellow (590nm) LEDs prewired with a resistor and 150-250mm of flying leads that terminates in a standard 9V battery snap. ... more info

5mm LEDs with a flat end and wide dispersion angle. Tinted diffuse flangeless case. These have typical specs for a yellow LED, ie forward current of ... more info

Note: these are our new version with a nicer animation, with a longer off-time than the previous LEDs These look like 5mm standard water clear LEDs ... more info

Nice laser module that generates a cross instead of the usual dot. Often used on power tools and for experimentation. Nice bright 650nm red line, ... more info

Nice laser module that generates a bright dot that can be focused as required. Note that when not focused, the dot is an oval shape, but can be ... more info

Nice laser module that generates a line instead of the usual dot. Often used on power tools and for experimentation. Nice bright 650nm red line, just ... more info

These tiny converters use ceramic caps for high reliability compared to electrolytic caps used in most power supplies. They are designed to provide a ... more info

These are a direct replacement for the popular 7805 linear regulators. Unlike a 7805, these are a switchmode device and generate very little heat ... more info

These feature a single 2835 half-watt SMD LEDs on a 31mm circular PCB with a 20 ohm current limiting resistor. The larger diameter boards on these ... more info

These feature a single 2835 half-watt SMD LEDs on a 31mm circular PCB with a 20 ohm current limiting resistor. The larger diameter boards on these ... more info

These feature a pair of 5730 sized SMD LEDs on a standard 20mm hexagonal PCB with a 20 ohm current limiting resistor. Designed for use directly on 5V ... more info

These feature a pair of 5730 sized SMD LEDs on a standard 20mm hexagonal PCB with a 20 ohm current limiting resistor. Designed for use directly on 5V ... more info