- 1uart-Pi-Ze-li
- 2uart-Pi-Ze-li
- 2uart-Pi-Ze
3a. 2uart-232-m01
3b. 2uart-232-485-m01
- 4uart-TTL
- 1uart-2-232
- 2uart-TTL-232
- 2uart-TTL-232-485
- 4uart-ext 8a.
4uart-232-m01
8b.4uart-232-485-m01
No1. 1uart-Pi-Ze-Li
![](images-2/pi-zero-1uart-tv02.jpg)
1. provide extra 1uart TTL/232 select
UART HAT RS232 output TX,RX
UART HAT TTL output
TX,RX,GND,3V3,CTS,RTS
2. Pi UART can select TTL/232 output
Pi UART TTL output
TX,RX,GND,3V3,XX,XX
Pi UART RS232 output GND,
TX, RX
3. i2c signal out GND,5V,SDA,SCL for extend
extra UART HAT
No2. 2uart-Pi-Ze-li
![](images-2/2uart-Pi-Ze-li-tv02-s.jpg)
1. provide extra 2uart TTL output
TTL output signal
TX,RX,GND,3V3,CTS,RTS
2. Pi UART can select TTL/232 output
Pi UART TTL output
TX,RX,GND,3V3,XX,XX
Pi UART RS232 output GND,
TX, RX
3. i2c signal out GND,5V,SDA,SCL for extend
extra UART HAT
No3. 2uart-Pi-Ze
No3a.
2uart-232-m01 No3b.
2uart-232-485-m01
![](images-2/pi-zero-2uart-tv03.jpg)
No3. 2uart-Pi-Ze
1. provide extra 2uart TTL output
TTL output signal
TX,RX,GND,3V3,CTS,RTS
2. Pi UART can select TTL/232 output
Pi UART TTL output
TX,RX,GND,3V3,XX,XX
Pi UART RS232 output GND,
TX, RX
3. i2c signal out GND,5V,SDA,SCL for extend
extra UART HAT
4. 2 Port RS232 /RS485 extension module connect
No3a.
2uart-232-m01
1. provide 2 Port DB9 RS232 output
No3b.
2uart-232-485-m01
1. provide 2 Port DB9 RS232 output
2. provide 2 Port RS485 2 wire output
3. RS485 RTS signal High/Low select jumper
![](images-2/n-pi-zero-se-m01.jpg)
- 2 UART TTL + one UART(Pi)
- 1 UART TTL + one UART(Pi) with
extra 4 GPIO output
- 1 UART TTL + one UART(Pi)
- 2 UART TTL + one UART(Pi) with
Extension socket
- 2x RS232 extension Module
- 2x RS232 /2x RS485 extension
Module
![](images-2/pi-zero-fulldemo-02-s1.jpg)
![](images-2/2uart-zero-pi-demo05.jpg)
1. 2uart-Pi-Ze plug in Pi Zero
2. 2uart-Pi-Ze+2uart-232-485-m01 Module
plug in Pi Zero
![](images-2/2uart-pi-zero-demo-003-s.jpg)