Hardware description
Internal
8-pin internal management bus
1. GND
2. CLK
3. MISO
4. MOSI
5. CS-1
6. CS-2
7. CS-3
8. CS-4
All data pins on 3V3
Interconnection
Arduino Nano
IoT LAB Arduino Nano IoT LAB Arduino Nano
UART TX D5 SPI CS D10
UART RX D6 SPI SCK D13
I2C SCL A5 = SCL SPI MISO D12
I2C SDA A4 = SDA SPI MOSI D11
GP-1 A0 = D14 GP-5 D2
GP-2 A1 = D15 GP-6 D3
GP-3 A2 = D16 GP-7 D7
GP-4 A3 = D17 GP-8 D8
RockPi S
IoT LAB RockPi S IoT LAB RockPi S
UART TX 24 (UART1) shared SPI CS 24 (SPI2) shared
UART RX 23 (UART1) shared SPI SCK 23 (SPI2) shared
I2C SCL 5 (I2C 1) SPI MISO 21 (SPI2)
I2C SDA 3 (I2C 1) SPI MOSI 19 (SPI2)
GP-1 12 - GPIO2_A5 GP-5 47 - GPIO2_B4
GP-2 13 - GPIO0_C0 GP-6 48 - GPIO2_B3
GP-3 16 - GPIO2_B2 GP-7 49 - GPIO2_B0
GP-4 15 - GPIO0_C1 GP-8 50 - GPIO2_A6
Raspberry Pico
IoT LAB Raspberry Pico IoT LAB Raspberry Pico
UART TX GP0 SPI CS GP17
UART RX GP1 SPI SCK GP18
I2C SCL GP5 SPI MISO GP16
I2C SDA GP4 SPI MOSI GP19
GP-1 GP10 GP-5 GP22
GP-2 GP11 GP-6 GP20
GP-3 GP12 GP-7 GP28
GP-4 GP13 GP-8 GP21
STM32 BluePill
IoT LAB BluePill IoT LAB BluePill
UART TX PA2 (UART2) SPI CS PA4 (SPI 1)
UART RX PA3 (UART2) SPI SCK PA5 (SPI 1)
I2C SCL PB6 (I2C 1) SPI MISO PA6 (SPI 1)
I2C SDA PB7 (I2C 1) SPI MOSI PA7 (SPI 1)
GP-1 PB5 GP-5 PB15
GP-2 PA15 GP-6 PB13
GP-3 PB4 GP-7 PB14
GP-4 PB3 GP-8 PB12
Application boards
- HC-SR04 + RGB LED
- DHT11 + DS18B20 + BMP280
- RFID reader + RGB LED
- OLED SPI + uSD reader + RGB LED
- Rotary encoder + LCD 1602 - I2C
- 3x Push Button + switch + shift_register + 8x LED
- RGB LED - common Cathode
Rotary encoder + LCD 1602 - I2C
LCD I2C address 0x3F
Rotary encoder pinout:
A GP3
B GP1
C GND
Push GP4
Communication boards
- RS-485 - MODBUS
- CANBUS
- IR
- 868/433