Original Cross 8213 Satnink Black Medium Refill for Ballpoint Pen
This one leaked badly when first received. The leak slowed after a few weeks and may stop. I'm still using it but carefull to keep it away from clothing.
Plugable USB COM Serial Port Adapter Cable - USB to RS-232 DB9, 2ft (0.6m)
Great But Could Be Better
It's a genuine Prolific product that works perfectly (I've had problems with the fake versions). A great improvement would be if the USB's 5V connection was brought out so we wouldn't need a separate supply.
433MHz Arduino PT2262 encoder Arduino Decoder RF Transmitter Receiver Link Kit
Very Long Range
My property is 300 ft corner to corner. Other transmitter/receivers couldn't cover the distance. This one operated well beyond 300 ft. If you need the range, check the transmitter output specs. Make sure it's at least 50mW like this one. Most others are less expensive but tr...Read full review