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1. Foone🏳️‍⚧️ (foone@digipres.club)'s status on Sunday, 04-Aug-2024 06:59:01 JST Foone🏳️‍⚧️

   No wonder this thing is so cheap, you forgot to populate half the components!

   • Foone🏳️‍⚧️ (foone@digipres.club)'s status on Sunday, 04-Aug-2024 07:04:01 JST Foone🏳️‍⚧️

     in reply to

     The chip in this thing (A W1681 Wrist Blood Pressure Monitor) is a JL AC23CNDJ4Q-12C4.

     That name is useless there are no results for that name online

   • Foone🏳️‍⚧️ (foone@digipres.club)'s status on Sunday, 04-Aug-2024 07:06:10 JST Foone🏳️‍⚧️

     in reply to

     wait

     power, plus DP/DM?

     Digital Plus and Digital Minus?

     IS THIS A USB HEADER?

   • Foone🏳️‍⚧️ (foone@digipres.club)'s status on Sunday, 04-Aug-2024 07:08:56 JST Foone🏳️‍⚧️

     in reply to

     This chip is by ZhuHai Jieli Technology, who have a chronic documentation problem.

     They advertise selling an all-in-one chip for blood pressure measurement... but it's the AC641, not the AC23

   • Foone🏳️‍⚧️ (foone@digipres.club)'s status on Sunday, 04-Aug-2024 07:13:02 JST Foone🏳️‍⚧️

     in reply to

     I tried to look up a datasheet but mouser said I'm nuts.

     No, really.

   • Joel May-Kill 🔪 (jpm@aus.social)'s status on Sunday, 04-Aug-2024 09:31:02 JST Joel May-Kill 🔪

     in reply to

     @foone … is that a USB header with V+ tied directly to the battery?

   • Foone🏳️‍⚧️ (foone@digipres.club)'s status on Sunday, 04-Aug-2024 09:31:02 JST Foone🏳️‍⚧️

     in reply to

     • Joel May-Kill 🔪

     @jpm I think so. So it's 3v usb!

   • vxo (vxo@digipres.club)'s status on Tuesday, 06-Aug-2024 00:11:38 JST vxo

     in reply to

     @foone the tool to mount these in a panel is called a PEMserter, and insert, it does.

     Out of strange curiosity I once stuck a phone book in one and stepped on the pedal. It damn near punched through it. I'm glad it didn't go ALL the way through; we've all seen on the Hydraulic Press Channel what this looks like 🎊🎊🎊