The plug-and-play solar panel by Intel

Harvesting the sun’s power to fire up a computer or tablet is an enticing idea in principle but challenging in practice. But researchers at Intel have developed a chip which overcomes many of the obstacles. It allows solar panels to plug into and power a device directly, without the need for a battery. The BBC’s…

Youkits EK1B 3 Band QRP CW transceiver

Specifications: RX:13.9-22MHz TX: 14.0-14.35MHz, 18.068-18.168MHz, 21.0-21.45MHz Size: 120mm x 51mm x 103mm Weight:420g Working voltage:9-16VDC RX voltage: 120-130ma TX:0.8A (on 12VDC) Power output: 4-5W Sidetone:700Hz Built in keyer, speed adjustable Kit and assembled version SMD parts all finished DDS board tested and aligned Kit assemble time is about 2 hours Can install our 18650 battery…