Users - XorLor - SparkFun Electronics

Datasheet link is borken.

That range sounds about right if you’re using two of these to communicate with each other. These will transmit 100m but you will need the external antenna version to receive the small signal at that distance. This large antenna works really well.

Product WRL-00705 | about 3 years ago

This guy I found makes custom cables and does a fantastic job.

Product LCD-10089 | about 3 years ago

Use:
gfx_Contrast(value)

Product LCD-10089 | about 3 years ago

It’s not very readable in direct sunlight. The OLED version that 4Dsystems makes is much brighter but they are smaller and more expensive.

News - Product Post Thursday! | about 3 years ago

Sweet! I better get a lab coat to go with the pocket protector, before they’re all out of stock.

News - Happy Free Day | about 3 years ago

I went for the loyalty funds. Easiest $10 ever.
Thanks Sparkfun!

Product PRT-10217 | about 3 years ago

Nice product!
A bit of advise for those who don’t like to read datasheets…
If you are thinking about using this to charge LiPo batteries that are less than 500mAh (like some of the ones listed below in the related products), I would suggest replacing the 2k resistor with a greater one so the current is limited appropriately.
But like it says above, check the datasheet. You will find the current limiting equation there.
Also check the datasheet of the battery to see what the recommended constant charge current is. They have more useful advise there too:
“The batteries must be careful of proceed the operation for it’s soft package."
"Short-circuit is strictly prohibited. It should damage batteries badly.”