minus-squareIntegrate777@discuss.onlinetoTechnology@lemmy.world•Researcher has developed, at a cost of less than one dollar, a wireless light switch that runs without batteries, can be installed anywhere on a wall and could reduce the cost of wiring a house by ...linkfedilinkEnglisharrow-up1·10 months agoOh nice. My parent’s doorbell is a wireless one and I thought it was a trick. That they hid the battery and sold it with false advertising. linkfedilink
Oh nice. My parent’s doorbell is a wireless one and I thought it was a trick. That they hid the battery and sold it with false advertising.