Schematic

pokehome
connector
0.1" through
hole headers
0.1" through
hole headers
C2 & C3 to be
near U1G4.27
C4 to be
near U1G4.25
Button Input
Connections
Spectacle
Data/Power
MCU
Power
Supply
VIN 4-6V
pokehome
connector
I2C Mux
I2C Pullup
DisableGND
VIN
3.3V
GND GND GND GND
GND
VCC
10K
GND
2.2uF
1.0uF 0.1uF 0.1uF
VCC
GND
2.2uF0.1uF
GND
VIN
4.7K 4.7K
GND
GND
RED
RED
1K
GND
GND
GND
1K
GND
PESD1CAN
PESD1CAN
PESD1CAN
PESD1CAN
PESD1CAN
PESD1CAN GND
GND
GND
GND
GND
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
GND
SN74LVC1G66
SN74LVC1G66
VIN
VIN
GND
GND
0.1uF 0.1uF
GND
VIN
P4.0
13
P4.1
14
P4.2
15
P4.3
16
P1.0
29
P1.1
30
P1.2
31
P1.3
32
P0.0
17
P0.1
18
P0.2
19
P0.3
20
P0.4
21
P0.5
22
P0.6
23
P1.7
1
P3.0
9
P2.0
2
P2.1
3
P2.2
4
P2.3
5
P2.5
6
P2.6
7
P2.7
8
P3.1
10
P3.2
11
P3.3
12
VSSA
28
VSSD
26*2
VCCD
25
VDD
27
XRES
24
U2
IN
GND
OUT
EN
NC
J1
1
2
J2
1
2
J3
1
2
J4
1
2
J5
1
2
J6
1
2
J7
1
2
J8
1
2
J9
P1*2
P2*2
J10
P1*2
P2*2
J11
P1*2
P2*2
J12
P1*2
P2*2
J13
P1*2
P2*2
J14
P1*2
P2*2
J15
P1*2
P2*2
J16
P1*2
P2*2
R1
C1
C2 C3 C4
C5C6
R3 R4
JP1
J18
1
2
3
4
5
D2
SW1
1 3
42
SW2
1 3
42
D3
R5
R6
D4
1
1
2
2
3
3
D5
1
1
2
2
3
3
D6
1
1
2
2
3
3
D7
1
1
2
2
3
3
D8
1
1
2
2
3
3
D9
1
1
2
2
3
3
1
4
2
3 5
U4
1
4
2
3 5
U5
J21
1
2
3
4
5
6
C9 C10
IN_0
IN_0
IN_1
IN_1
IN_2
IN_2
IN_3
IN_3
IN_7
IN_7
IN_5
IN_5
IN_4
IN_4
IN_6
IN_6
XRES
XRES
SCL
SCL
SCL
SDA
SDA
SDA
SWD_DATA
SWD_DATA
SWD_CLK
SWD_CLK
TXO
TXO
RXI
RXI
BTN
BTNLED
LED
I2C_OUT_EN
I2C_OUT_EN
I2C_OUT_EN
SDA_OUT
SDA_OUT
SCL_OUT
SCL_OUT
Dia Campbell/Mike Hord v10
Released under the Creative Commons
Attribution Share-Alike 4.0 License
https://creativecommons.org/licenses/by-sa/4.0/
Design by:
U1G2
CY8C4146LQI-S422
U1G0
CY8C4146LQI-S422
U1G3
CY8C4146LQI-S422
SWD_D
SWD_CLK
U1G4
CY8C4146LQI-S422