ESP8266 breakout board

by plogen.
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2 layer board of 0.91x0.91 inches (23.16x23.16 mm).
Shared on April 14th, 2015 15:11.

ESP-07 / ESP-12 breakout board

  • IC1 AMS1117 3,3V Vreg
  • MicroUSB connector
  • Tactile switch for programming mode
  • C1 10uF 0805
  • C2 10uF 0805
  • C3 0,1uF 0603
  • R1 10k 0603 Pull-up to 3,3V
  • R2 0Ω 0603 “Solder bridge”
  • R3 0Ω 0603 “Solder bridge”
  • R4 0Ω 0603 “Solder bridge”

When the switch is pressed it ties GPIO0 to GND through R2. This should be done during power up to enter programing mode.

R3 ties CP “CH_PD” to VCC. It should be so except for power down mode.

R4 ties GPIO15 to GND for both normal and programming mode.

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