ESP8266 Flash Board v1.4 By Steve Smith - G0TDJ Part Value C1 100n C2 22u Polarised C3 22u Polarised C4 100n C5 100n IC1 LM1117 3v3 Regulator SMD JP1 M02PTH Molex 2 way header JP2 M03PTH Molex 3 way Header LED1 LED 0805 R1 220R R2 1k R3 1k S1 TAC_SWITCH S2 DPDT-SWITCH SV1 6 Way Header SV2 8 Way Header U$3 BX84 3v3 Zener Diode X1 Micro USB SMD All SMD parts are 0603 except LED which is 0805