Board library
Pinouts, buses, I²C addresses, power and logic-level specs for 21 dev boards from adafruit and seeed and sparkfun — every number sourced and dated.
adafruit 10 boards
- 8-Channel PWM or Servo FeatherWing Add-on For All Feather Boards 3.3 V logic
- adafruit ADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier 3.3 V logic
- Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500 3.3 V logic
- ADS1015 12-Bit ADC - 4 Channel with Programmable Gain Amplifier 3.3 V logic
- DC Motor + Stepper FeatherWing Add-on For All Feather Boards 3.3 V logic
- i2c / SPI character LCD backpack - STEMMA QT / Qwiic 3.3 V logic
- INA219 High Side DC Current Sensor Breakout - 26V +/-3.2A Max 3.3 V logic
- MCP4725 Breakout Board - 12-Bit DAC with I2C Interface 3.3 V logic
- MicroSD card breakout board+ 3.3 V logic
- VS1053 Codec + MicroSD Breakout - MP3/WAV/MIDI/OGG Play + Record 3.3 V logic
seeed 8 boards
- Grove - 4-Channel SPDT Relay 5 V logic
- Grove - Solid State Relay V2 5 V logic
- Pixy2 CMUcam5 - Smart Vision Sensor - Object Tracking Camera for Arduino, Raspberry Pi 3.3 V logic
- seeed HPS-167 ToF Infrared Distance Measuring sensor(0.08-35m) 3.3 V logic
- Seeed Studio Expansion Board Base for XIAO with Grove OLED - IIC, Uart, Analog/Digital 3.3 V logic
- Seeed Studio Grove Base for XIAO - with embedded battery management chip 3.3 V logic
- Seeed Studio XIAO SAMD21 (Pre-Soldered) - Seeeduino XIAO 3.3 V logic
- seeed Thermocouple Temperature Sensor K Type-1M
sparkfun 3 boards
- SparkFun Qwiic Soil Moisture Sensor (Capacitive) 3.3 V logic
- SparkFun Thing Plus - ESP32 WROOM (USB-C) 3.3 V logic
- SparkFun Thing Plus - RP2350 3.3 V logic