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Monthly Archives: December 2020

DDS518 teardown
Teardown

DDS518 teardown

22. December 2020 danman Leave a comment

It is quite simple device. The main chip is Vango V9821S – a single-phase energy metering SoC chip, then there is one EEPROM 24C04, optical isolation for S0, display and power supply circuitry and a display. There is no serial interface so no way how to get more data out of the device, only JTAG for programming.

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DDS518energy meterteardownV9821Sv98xx

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  1. danman on Ender 3 as a laser cutter9. July 2025

    That is a very complicated route not worth the effort IMO.

  2. pat on Ender 3 as a laser cutter9. July 2025

    hello Danman, I try to make an interface from the connector of the wire motor to the laser. My thinking…

  3. danman on Fixing broken TP-Link TL-MR10011. June 2025

    Hi Konstantin, the patch I proposed is still not merged yet: https://github.com/McMCCRU/SNANDer/pull/29 Did you try it with those changes applied?

  4. Konstanin on Fixing broken TP-Link TL-MR10027. May 2025

    Hi! Can you tell me why SNANDER doesn't detect the flash? C:\SN>SNANDer -i SNANDer - Serial Nor/nAND/Eeprom programmeR v.1.7.9 by…

  5. danman on miniPCI-e dual USB card extender20. May 2025

    Hello, here it is: https://kicanvas.org/?github=https%3A%2F%2Fgithub.com%2Fdanielkucera%2Fminipcie-adapter-dual-usb

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