Sony has developed a new type of alkaline manganese button-cell that contains no mercury and will put it on sale later this year, it said Wednesday. Alkaline manganese cells are commonly used in ...
WASHINGTON, Jan. 2, 2025 /PRNewswire/ -- The U.S. Consumer Product Safety Commission (CPSC) is warning consumers to immediately move TIANQIU AG4 and AG6 alkaline button cell batteries to a secure ...
Sometimes it makes sense to go with plain old batteries and off-the-shelf PVC pipe. That’s the thinking behind [Bertrand Selva]’s clever LoRaTube project. PVC pipe houses a self-contained LoRa ...
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