Schematics

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Wifi Bee ESP8266
Tian Peng
1 of 1
2015/1/9 16:29:59
A4
1.1
+3.3V
VDDA
1
LAN
2
VDD3
3
VDD3
4
VDD_RTC
5
TOUT
6
CHIP_EN
7
XPD
8
MTMS
9
MTDI
10
VDDPST
11
MTCK
12
MTDO
13
GPIO2
14
GPIO0
15
GPIO4
16
GPIO5
24
VDDPST
17
SD_D2
18
SD_D3
19
SD_CMD
20
SD_CLK
21
SD_D0
22
SD_D1
23
U0RXD
25
U0TXD
26
XTALP
27
RSTB
32
XTALN
28
VDDD
29
VDDA
30
RES12K
31
U2
ESP8266
CS
1
DO
2
WP
3
GND
4
DI
5
CLK
6
HOLD
7
VCC
8
U1
W25Q32FVSIG
SD_CMD
SD_CMD
SD_CLK
SD_CLK
SD_D0
SD_D1
SD_D2
SD_D3
SD_D0
SD_D1
SD_D2
SD_D3
+3.3V
GND
R4
10K
R1
10K
GND
+3.3V
C1
10pF
C2
10pF
GND
Y1 26MHZ
UART_TX
UART_RX
+3.3V
RST
+3.3V
GND
C4
1uF
C5
100nF
C6
1uF
C7
100nF
C8
1uF
C3
5.6pF
GND
+3.3V
UART_TX
UART_RX
GND
E1
Antenna
GND
R5
10K
R2
10K
+3.3V
XPD
R7 10K
C9
1uF
R6
10K
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
P1
Header 10X2
XPD
RST
2
3
1SW1
SW
Flash Boot
Uart Downlad
R3
10K
+3.3V
S1
SW-PB
GND
Reset to default
NC
L1
Inductor
NC
L2
Inductor
DIO0 DIO2
DIO0
DIO2
DIO1
DIO1