Review: 2023 Volvo XC40 Recharge offers affordable electrified luxury

The XC40 Recharge is an all-electric subcompact crossover based on the internal combustion version of the XC40 compact utility. At launch in 2019, it was Volvo’s first battery electric model but the Swedish carmaker’s electric offerings have expanded s… Continue reading Review: 2023 Volvo XC40 Recharge offers affordable electrified luxury

Improved Outdoor Solar Harvester Now Handles All The Parts

[Vadim Panov]’s 3D printed solar harvester is in effect a rechargeable outdoor battery, and the real challenge he faced when designing it was having it handle the outdoors reliably. The good news is that part is solved, and his newest design is now also flexible enough to handle a variety …read more

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PTPM Energy Scavenger Aims for Maintenance-Free Sensor Nodes

[Mile]’s PTPM Energy Scavenger takes the scavenging idea seriously and is designed to gather not only solar power but also energy from temperature differentials, vibrations, and magnetic induction. The idea is to make wireless sensor nodes that can be self-powered and require minimal maintenance. There’s more to the idea than simply doing away with batteries; if the devices are rugged and don’t need maintenance, they can be installed in locations that would otherwise be impractical or awkward. [Mile] says that goal is to reduce the most costly part of any supply chain: human labor.

The prototype is working well with …read more

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