Landis+Gyr Residential Meter

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Early Generation Dual Board based on M16C processor

  • Dual board meter, older design, brain/network board top

  • Dual board meter, older design, brain/network board bottom

  • Dual board meter, older design, metering board top

  • Dual board meter, older design, metering board bottom

Generation 4 based on M16C processor

  • Blank PCB Components side

  • Blank PCB Screen and Buttons side

  • Component side ground plane and traces sanded off

  • Component side ground plane and screen side sanded off

  • Screen side ground plane

  • Screen side ground plane sanded off showing internal layer traces

  • PCB with EM250 Zigbee chip and lower accuracy Teridian chip

  • PCB with EM357 Zigbee chip and higher accuracy Teridian chip

Generation 5 smart meter based on ARM Cortex-M processor (FCCID R7PEG1R1S6)

  • Top of Gen5 meter board with LCD screen

  • Top of Gen5 meter board with the LCD screen removed

  • Bottom of Gen5 meter board, ATSAM4C32 processor is under the large brown capacitor seen in the bottom middle of the PCB.

  • Red circled spots are missing 0 ohm resistors you need to solder bridge to enable JTAG connector to function.

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