Schematic symbol of solar_wifi_sensor
TP8
TP10
TP13
TP11
TP17
TP4
TP12
TP6
TP14
TP2
TP9
TP5
TP15
TP7
TP16
TP3
R14
Resistance
0 Ω
R9
Resistance
1MΩ
R19
Resistance
0 Ω
C1
Capacitance
10uF
R8
Resistance
200kΩ
R25
Resistance
4.7kΩ
R22
Resistance
0 Ω
C9
Capacitance
0.1uF
R15
Resistance
100kΩ
R30
Resistance
0 Ω
C4
Capacitance
1uF
R21
Resistance
0 Ω
C6
Capacitance
0.1uF
C8
Capacitance
0.1uF
C3
Capacitance
1uF
R1
Resistance
0 Ω
R20
Resistance
200kΩ
R18
Resistance
0 Ω
R11
Resistance
24kΩ
R23
Resistance
4.7kΩ
C5
Capacitance
0.1uF
R16
Resistance
0 Ω
R3
Resistance
100kΩ
R2
Resistance
200kΩ
R29
Resistance
200kΩ
C2
Capacitance
15uF
R26
Resistance
4.7kΩ
R13
Resistance
0 Ω
R28
Resistance
4.7kΩ
R6
Resistance
0 Ω
R12
Resistance
475kΩ
R24
Resistance
4.7kΩ
R5
Resistance
0 Ω
R27
Resistance
4.7kΩ
R4
Resistance
0 Ω
C7
Capacitance
0.1uF
R17
Resistance
0 Ω
R7
Resistance
0 Ω
R10
Resistance
499kΩ
J1
U4
J2
U3
Q1
Designator Prefix
Q
Q2
Designator Prefix
Q
Q3
Designator Prefix
Q
Note 2
Line 1
J1 pin 1 corresponds to pin 1 to of the RPi Pico W Pinout
Line 2
J2 pin 1 corresponds to pin 40 of the RPi Pico Pinout
Line 3
I2C1 pins 31 (SDA) and 32 (SCL)
Line 4
V_ST_STO attached to ADC2
Line 5
INT_PI attached to GP21
CP1
D1
U2
Not Recommended for New Designs
Note 1
Line 1
R_MPP[2:0] set to 100 to configure MPPT ratio to 80%
Line 2
T_MPP[1:0] set to 11 to configure MPPT sampling to 1.12s every 71.7s
Line 3
STO_CFG[3:0] set to 0111 for Custom Mode (use resistors to select)
Line 4
R1,R2, R3, R4 chosen for Vovch = 4.2V, Vchrdy = 4V, Vovdis = 2V
L1
Inductance
10uH
SC1