@cm0002@lemmy.world to Technology@lemmy.worldEnglish • 2 months agoCoin-sized nuclear 3V battery with 50-year lifespan enters mass productionwww.techspot.commessage-square49fedilinkarrow-up1139arrow-down19
arrow-up1130arrow-down1external-linkCoin-sized nuclear 3V battery with 50-year lifespan enters mass productionwww.techspot.com@cm0002@lemmy.world to Technology@lemmy.worldEnglish • 2 months agomessage-square49fedilink
minus-square@piecat@lemmy.worldlinkfedilinkEnglish3•2 months agohttps://www.ti.com/lit/gpn/LM555 2mA minimum, and that’s just q current. It’s gonna be much higher when you’re actually using it for a clock. I’m sure the casio’s main power sink is the display. I bet the refresh rate could be reduced for better battery life.
minus-square@Tangent5280@lemmy.worldlinkfedilinkEnglish6•2 months agoIsnt the refresh rate just 1 Hz?
https://www.ti.com/lit/gpn/LM555
2mA minimum, and that’s just q current. It’s gonna be much higher when you’re actually using it for a clock.
I’m sure the casio’s main power sink is the display. I bet the refresh rate could be reduced for better battery life.
Isnt the refresh rate just 1 Hz?
Yep.