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larsan edited this page Feb 24, 2020 · 4 revisions

Wemos Nano style

Wemos TTGO-XI board features:

  • LGT8F328P processor in QFP-32 package
  • Holtek HT42B534 USB<>serial bridge
  • ASM1117 3.3V linear regulator
  • Reset button
  • Micro-USB device port
  • Dual layer PCB with components on only one side
  • Dimensions: 1" by 2" (25.4mm x 50.8mm) (the micro-USB connector extends beyond one end of the board)
  • 32 pins in two 0.1" (0.254mm) pitch rows spaced 22.5mm
  • Selectable 5/3.3V I/O voltage (by solder jumper on front of board)

Front

Front

Back

Back

Issues

  • The builtin LED is on output 12 instead of the standard 13. Use the LED_BUILTIN define.