Schematics

1
1
2
2
3
3
4
4
5
5
6
6 7 8
D
C C
B B
A A
Q1
AO3400
R5
1K
R6
1K
R4
1K
PWM0-G PWM1-R PWM5-B
R9
100K
R7
100K
R8
100K
Q3
AO3400
Q2
AO3400
BLE
LED
MCU
XI
1
GND
2
XO
3
GND
4
*1
Y-3225 SMD
32MHZ
C9
2.7PF/50V
C8
2.7PF/50V
GND
C17
10uF
R20
100R
3.3V
1
2
3
1
IR_IN
XO
XI
P9
GR
B
VBAT
1
XOUT
2
XIN
3
GPIO00/ADC_CH0/RF_TP0
4
GPIO19/VPP
5
GPIO03/OTP_D1/PWM0
6
GPIO04/OTP_EN/PWM1
7
GPIO14/RXD
8
GPIO15/TX
9
GPIO02/OTP_D0
10
GPIO07/OTP_CLK/PWM4
11
GPIO08/PWM5
12
GPIO06/OTP_PWEB/PWM3
13
GPIO05/OTP_MODE/PWM2
14
ANT
15
GND
16
U1
AK801
Beacon
PWM5-B
PWM0-G
PWM1-R
E
Antenna
L3
0R
L2
0R
C4
1.2PF/50V
C3
1.2PF
GND
C2
1.2PF/50V
R1
10R
R2
100R
R?
20R
DG
LED0
DR
LED0
DB
LED0
VCC
IN
2
GND
1
OUT
3
7533
GND
C14
106
C11
106
VCC
R18
10K
3.3V
3.3V
3.3V
C12
104
C6
104
GND
C13
106
C15
106
DG1
LED0
DR1
LED0
DB1
DG2
LED0
DR2
LED0
DB2