- 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
4UART products can use up to 8 UART in one
Pi
![](images-2/n-pi-4uart-bp-se-m01.jpg)
- 4 UART Pi (4 UART TTL output
/HAT EEPROM) with Extension socket
- 4 UART Pi (4 UART TTL output)
- 4 x RS232 /4x RS485
Extension module
- 4x RS232 Extension module
![](images-2/4uart-plug-demo01.jpg)
4uart-ext board with
4uart-232-485-m01
![](images-2/4uart-set-demo-002-s1.jpg)
1. 4 UART Pi (4 UART TTL output
/HAT EEPROM) with Extension socket
1a. 4 x RS232 /4x RS485
Extension module
1b. 4x. RS232 Extension module
No4. 4uart-TTL
![](images-2/4uart-TTL-tv001-s01.jpg)
1. provide extra 4 UART TTL output
4x UART 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. 2 set i2c signal out GND,5V,SDA,SCL for
extend extra UART HAT
4. TTL UART1 support ESP8266 WiFi module socket
No8. 4uart-ext
![](images-2/4uart-ext-tv003-s1.jpg)
1. provide extra 4 UART TTL output
4x UART 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. 2 set i2c signal out GND,5V,SDA,SCL for
extend extra UART HAT
4. TTL UART1 support ESP8266 WiFi module socket
5. HAT EEPROM
6. RS232 /RS485 module connector
No8a. 4uart-232-m01
![](images-2/4uart-ext-232-tv003-s1.jpg)
1. provide 4 Port DB9 RS232 output
No8b. 4uart-232-485-m01
![](images-2/4uart-ext-485-tv003-s1.jpg)
1. provide 4 Port DB9 RS232 output
2. provide 4 Port RS485 2 wire output
3. RS485 RTS signal High/Low select jumper
4. RS232/RS485 select jumper
4 UART HAT demo
![](images-2/4uart-demo-001.jpg-s1.jpg)
uart1, uart3, uart4 arduino mini Pro x3
Bps: 9600
uart2 bluetooth 2.0 x1 Bps:
38400
![](images-2/ja-4-uart-sw-demo-01-s01.jpg)
9UART demo 8 UART ( 2x 4 UART HAT )+ 1 UART
Pi
![](images-2/9uart-demo-02-s1.jpg)
- Pi-UART-4-TTL ( 4 UART HAT )
- Pi-UART-4-TTL ( 4 UART HAT )
- Raspberry Pi 2B
- Pi-PSU ( Pridopia Pi Power Supply )
- SIM908-C EVB 1.0 GPRS+GPS Module ( 2 UART )
- ESP8266WiFi module ( 1 UART )
- Bluetooth 2.0 ( 1 UART )
- Pi-HAT-Lite GPS Module ( 1 UART )
- Bluetooth 4.0 BLE ( 1 UART )
- arduino mini Pro ( 1 UART Pi )
- arduino mini Pro ( 1 UART )
- arduino mini Pro ( 1 UART )
![](images-2/8uart-sw-demo01-s1.jpg)
1. SIM908-C EVB 1.0 GPRS (Port 8 bps 115200 )
2. SIM908-C EVB 1.0 GPS ( Port 7 bps 115200 )
3. Bluetooth 2.0 ( Port 6 bps 38400 UART )
4. ESP8266WiFi module ( Port 5 bps 115200 )