Wiring
Device:Port
Functionality
ESP32 main micro processor
ESP32:22
I2C:SCL
ESP32:23
I2C:SDA
ESP32:15
SERIAL:TX
ESP32:16
SERIAL:RX
ESP32:18
SPI:MOSI
ESP32:19
SPI:MISO
ESP32:5
SPI:CLK
ESP32:12
1Wire
ESP32:13
GPIO:LED_BUILTIN
ESP32:33
GPIO:PCF8574_INTERRUPT
ESP32:14
SPI:CS_SD_CARD
ESP32:32
SPI:CS_TFT_SCREEN
ESP32:4
SPI:DC
ESP32:21
SPI:RST
ESP32:25 DAC
CAN:TX
ESP32:26 DAC
CAN:RX
ADS1x15 Analog to digital converter
ADC0, I2C Addr 0x48
ADC0:0
motor controller, speed indication
ADC0:1
Ibat: battery current sensor
ADC0:2
Imot: motor current sensor
ADC0:3
Ipv: pv current sensor
ADC1, I2C Addr 0x49 (TODO: can be set??)
ADC1:0
Ubat: battery voltage (analog)
ADC1:1
Umot: motorcontroller voltage
ADC1:2
ADC1:3
ADC2, I2C Addr 0x50 (TODO: can be set??)
ADC2:0
steering wheel acceleration piezo
ADC2:1
steering wheel deceleration piezo
ADC2:2
ADC2:3
MCP23014 Input/Output extender
IOExt0, I2C Addr (TODO)
IOExt0:0 in
switch (status): battery on/off
IOExt0:1 in
switch (status): PV on/off
IOExt0:2 in
switch (status): motor on/off
IOExt0:3
mc: eco/power
IOExt0:4
mc: on/off
IOExt0:5 in
switch (status): fwd/rwd
IOExt0:6
pv: on/off
IOExt0:7
output: battery fan on/off
IOExt1, I2C Addr (TODO)
IOExt1:0
output: left indicator
IOExt1:1
output: right indicator
IOExt1:2
output: horn
IOExt1:3
output: head light
IOExt1:4
output: light
IOExt1:5
IOExt1:6
IOExt1:7
IOExt2, I2C Addr (TODO)
steering wheel buttons
IOExt2:0
button: left indicator
IOExt2:1
button: right indicator
IOExt2:2
button: head light
IOExt2:3
button: light
IOExt2:4
button: horn
IOExt2:5
button: next
IOExt2:6
button: power/speed
IOExt2:7
button: set/reset
ILI9341 3.2" 320x240 display
ILI9341: CS
see ESP32:SPI:CS_TFT_SCREEN
ILI9341: MOSI
see ESP32:SPI:MOSI
ILI9341: MISO
see ESP32:SPI:MISO (Pull Down: 10kΏ to GND)
ILI9341: CLK
see ESP32:SPI:CLK
ILI9341: D/S
Pull Down: 10kΏ to GND
ILI9341: SD_CS
DS1803 digital potentiometer
SCL:8
see ESP32:I2C:SCL
SDA:9
see ESP32:I2C:SDA
H0:12
VCC at 5V Powersupply
W0:10
MC:acceleration input
L0:11
GND at 5V Powersupply + ESP32:GND
H1:1
VCC at 5V Powersupply
W1:3
MC: deceleration input
L1:2
GND at 5V Powersupply + ESP32:GND
A0:6
GND for address 0x28
A1:5
GND for address 0x28
A0:4
GND for address 0x28
RTC real time clock
SCL
see ESP32:I2C:SCL
SDA
see ESP32:I2C:SDA
Gyro&Acc gyroscope & accelerator
SCL
see ESP32:I2C:SCL
SDA
see ESP32:I2C:SDA
Temp temperature sensor
Temp0
see ESP32:1Wire
Temp1
see ESP32:1Wire
Temp2
see ESP32:1Wire
Temp3
see ESP32:1Wire
SD sd card
CS
see ESP32:SPI:CS_SD_CARD
MOSI
see ESP32:MOSI
MISO
see ESP32:MISO
CLK
see ESP32:CLK
D/S
required?
Serial serial telemetry communication
RX
see ESP32:SERIAL:RX
TX
see ESP32:SERIAL:TX
MPPT maximum power point tracking communication
CAN Lo
see ESP32:CAN:Lo
CAN Hi
see ESP32:CAN:Hi
BMS battery management system communication
CAN Lo
see ESP32:CAN:Lo
CAN Hi
see ESP32:CAN:Hi
ILI9341 3.2" 320x240 display
CS
see ESP32:SPI:CS_TFT_SCREEN
MOSI
see ESP32:SPI:MOSI
MISO
see ESP32:SPI:MISO (Pull Down: 10kΏ to GND)
CLK
see ESP32:SPI:CLK
D/S
Pull Down: 10kΏ to GND
DS1803 digital potentiometer
SCL:8
see ESP32:I2C:SCL
SDA:9
see ESP32:I2C:SDA
H0:12
VCC at 5V Powersupply
W0:10
MC:acceleration input
L0:11
GND at 5V Powersupply + ESP32:GND
H1:1
VCC at 5V Powersupply
W1:3
MC: deceleration input
L1:2
GND at 5V Powersupply + ESP32:GND
A0:6
GND for address 0x28
A1:5
GND for address 0x28
A0:4
GND for address 0x28
RTC real time clock
SCL
see ESP32:I2C:SCL
SDA
see ESP32:I2C:SDA
Gyro&Acc gyroscope & accelerator
SCL
see ESP32:I2C:SCL
SDA
see ESP32:I2C:SDA
Temp temperature sensor
Temp0
see ESP32:1Wire
Temp1
see ESP32:1Wire
Temp2
see ESP32:1Wire
Temp3
see ESP32:1Wire
SD sd card
CS
see ESP32:SPI:CS_SD_CARD
MOSI
see ESP32:MOSI
MISO
see ESP32:MISO
CLK
see ESP32:CLK
D/S
required?
Serial serial telemetry communication
RX
see ESP32:SERIAL:RX
TX
see ESP32:SERIAL:TX
MPPT maximum power point tracking communication
CAN Lo
see ESP32:CAN:Lo
CAN Hi
see ESP32:CAN:Hi
BMS battery management system communication
CAN Lo
see ESP32:CAN:Lo
CAN Hi
see ESP32:CAN:Hi
Further Documentation and Findings PlatformIO - Command Guide Build project platformio run
Upload firmware platformio run --target upload
Build specific environment platformio run -e esp32dev
Upload firmware for the specific environment platformio run -e esp32dev --target upload
Monitor device platformio run device monitor
Clean build files platformio run --target clean
This project is published under the GNU General Public License v3.0 .
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