
Adafruit's Feather 32u4 Adalogger, with the 16- and 12-pin header rows a FeatherWing stacks onto.
One of the Feather Mainboard family.
- Made by
Adafruit
- SKU
- 2795
- Kind
- Circuit board (PCB)
- Licence
- CC-BY-SA-3.0
- Keywords
- 32u4, adafruit, adalogger, feather, atmega32u4, microcontroller
| Overall size (X × Y × Z) | 51.2 × 22.9 × 8.2 mm |
|---|---|
| PCB size | 50.8 × 22.9 mm |
| PCB thickness | 1.6 mm |
| Mounting holes | 4 × Ø2.5 mm |
| Through-hole pads | 30 |
| Components | 27 |
| Function | microcontroller board |
| Form factor | feather |
| Chip | ATmega32u4 |
| Clock speed | 8 MHz |
| Flash | 32 KB |
| RAM | 2 KB |
| GPIO pins | 20 |
| USB connector | Micro-B |
| Logic level | 3.3 V |
| Weight | 5.1 g |
| Qty | Part | Value | References | Datasheet |
|---|---|---|---|---|
| × 3 | SMD Capacitor0805 | 10µF | C3, C6, C8 | X7R SMD MLCC series datasheet (KEMET) |
| × 3 | SMD Resistor0603 | 100k | R3, R6, R9 | RC_L series datasheet (Yageo) |
| × 2 | SMD Capacitor0603 | 1uF | C7, C14 | X7R SMD MLCC series datasheet (KEMET) |
| × 2 | SMD Resistor0603 | 1K | R1, R2 | RC_L series datasheet (Yageo) |
| × 2 | SMD Resistor0603 | 22 | R4, R5 | RC_L series datasheet (Yageo) |
| × 1 | microSD Card Socket | microsd | X2 | DM3 datasheet (Hirose) |
| × 1 | QFN / DFNQFN-44 7x7 P0.5 | ATMEGA32U4-MU | IC1 | ATmega32U4 datasheet (Microchip) |
| × 1 | SMD Capacitor0805 | 10uF | C9 | X7R SMD MLCC series datasheet (KEMET) |
| × 1 | SMD CrystalResonator 3012 | 8MHz | Y1 | |
| × 1 | SMD DiodeSOD-123 | MBR120 | D4 | MBR120VLSF datasheet (onsemi) |
| × 1 | SMD LED0805 · green | GREEN | L1 | |
| × 1 | SMD LED0805 · orange | ORANGE | CHG | |
| × 1 | SMD LED0805 · red | RED | L | |
| × 1 | SMD Resistor0603 | 2.2K | R7 | RC_L series datasheet (Yageo) |
| × 1 | SMD Resistor0603 | 10K\ | R8 | RC_L series datasheet (Yageo) |
| × 1 | SMD Tactile SwitchKMR2 | SPST_TACT-KMR2 | SW1 | |
| × 1 | SOTSOT-23-5 | MCP73831T-2ACI/OT | U3 | MCP73831 datasheet (Microchip) |
| × 1 | SOTSOT-23-5 | SPX3819-3.3 | U2 | SPX3819 datasheet (MaxLinear) |
| × 1 | USB ReceptacleMicro-B | microUSB | X3 | |
| × 1 | Wire-to-Board ConnectorPH side entry · 2 | JSTPH | X1 | JST PH datasheet (JST) |
Variations
Feather 32u4 AdaloggerAdafruit
Feather ESP32 V2Adafruit
Feather ESP32-S2Adafruit
Feather ESP32-S3Adafruit
Feather HUZZAH ESP8266Adafruit
Feather M0 Bluefruit LEAdafruit
Feather M0 ExpressAdafruit
Feather M0 RFM95 LoRaAdafruit
Feather M4 CAN ExpressAdafruit
Feather M4 ExpressAdafruit
Feather RP2040Adafruit
Feather RP2040 AdaloggerAdafruit
Feather RP2040 CANAdafruit
Feather RP2040 DVIAdafruit
Feather RP2040 Prop-MakerAdafruit
Feather RP2040 RFM69Adafruit
Feather RP2040 USB HostAdafruit
Feather RP2350Adafruit
Feather nRF52840 ExpressAdafruit
Feather nRF52840 SenseAdafruit




