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Yet Another ESP8266-based barebone board
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README.md

README.md

ESP8266-BB

1. Introduction

ESP8266-BB (Bearbone) is yet another ESP-8266 based development board. For the programming of the board, an extended 7-pin FTDI adapter is required.

2. Schematic

Schematic

3. Board layout

Board Layout

4. BOM

Name Parts Value
U1 3.3V Low voltage drop Regulator LM1117-3.3
U2 ESP-WROOM-02 -
LED1,LED2 LED1 (Green) LED2(RED) (1608 size)
J1 2.1mm power Jack Power in
J2 7 pin L-angle connector
J3,J4 10Pin receptacle pin header is ok
SW1,SW2 Tactile Switch Alps SKHH or equivalent
Q1,Q2 NPN-TR (2SC2712)
R1-R5 Carbon Register 10K Ohm 1/10W(1608)
R6,R7 Carbon Register 1K Ohm 1/10W(1608)
R9,R11 Carbon Register 10K Ohm 1/10W(1608)
R8,R12 Carbon Register 1K Ohm 1/10W(1608)
C1 Electrolytic Capacitor 10uF / 10V or better
C2 Electrolytic Capacitor 100uF / 10V or better
C3 Multilayer Ceramic Capacitor 0.01uF / 10V (1608)
C4 Multilayer Ceramic Capacitor 0.1uF / 10V (1608)

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