Adalogger FeatherWing - RTC + SD Add-on For All Feather Boards
Pinout
- 3.3VFeather bottom row, second from left
Feather 3.3V rail used to power the SD card and RTC when main power is available, per Adafruit Learn pinouts.
Type · powerVoltage · 3.3V - GNDFeather bottom row, fourth from left
Ground return for the SD card and RTC, per Adafruit Learn pinouts.
Type · groundVoltage · 0V - SCLTop right, left of SDA
I2C clock for the PCF8523 RTC; Adafruit states this pin has a 10K pull-up resistor to 3.3V.
Type · signalVoltage · 3.3V pull-up - SDATop right, rightmost
I2C data for the PCF8523 RTC; Adafruit states this pin has a 10K pull-up resistor to 3.3V.
Type · signalVoltage · 3.3V pull-up
Start wiring
Shield
Confirm the data interface matches your host board.
Module pins: 3.3V, GND, SCL, SDA, INT, SCK, MOSI, MISO. Schematik maps them to your board in the app.
Add-ons
271 other optionsAbout 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.
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