TinyPICO ESP32 Development Board with USB-C

Compact ESP32 development board (dual-core 240 MHz) with 4 MB PSRAM, USB-C, 14 GPIO, onboard APA102 RGB LED, JST-PH LiPo connector, and a 700 mA 3.3V regulator. Deep-sleep current as low as 20 µA. Ships with MicroPython pre-installed.

Logical pinout · physical placement not verified

USB-C
USB-C connector for board power and USB-to-serial programming; Adafruit identifies this TinyPICO variant as the USB-C development board.
Type · UnknownVoltage · 5 V USB power path when USB cable is present
5V
Board 5 V power path isolated from the 3.3 V path; powers USB-side circuitry when a 5 V source is present.
Type · PowerVoltage · 5 V
3V3
3.3 V regulated rail from the onboard 700 mA regulator; Adafruit states TinyPICO has a 700 mA 3.3 V regulator and a separate 3.3 V power path.
Type · PowerVoltage · 3.3 V
GND
Board ground reference for power and GPIO connections.
Type · GroundVoltage · 0 V
GPIO
General-purpose ESP32 I/O exposed by the TinyPICO board; Adafruit states the board exposes 14 GPIO.
Type · SignalVoltage · 3.3 V logic
GPIO13
Controls the high-side switch for power to the onboard APA102 RGB LED; Adafruit notes GPIO13 controls APA102 power through a P-channel MOSFET.
Type · GPIOVoltage · 3.3 V logic
BAT
Battery-management connection/path for LiPo battery operation; product page states onboard battery management and separate battery/3.3 V operation.
Type · PowerVoltage · single-cell LiPo battery path

Pin	Type	Function	Voltage
USB-C	Unknown	USB-C connector for board power and USB-to-serial programming; Adafruit identifies this TinyPICO variant as the USB-C development board.	5 V USB power path when USB cable is present
5V	Power	Board 5 V power path isolated from the 3.3 V path; powers USB-side circuitry when a 5 V source is present.	5 V
3V3	Power	3.3 V regulated rail from the onboard 700 mA regulator; Adafruit states TinyPICO has a 700 mA 3.3 V regulator and a separate 3.3 V power path.	3.3 V
GND	Ground	Board ground reference for power and GPIO connections.	0 V
GPIO	Signal	General-purpose ESP32 I/O exposed by the TinyPICO board; Adafruit states the board exposes 14 GPIO.	3.3 V logic
GPIO13	GPIO	Controls the high-side switch for power to the onboard APA102 RGB LED; Adafruit notes GPIO13 controls APA102 power through a P-channel MOSFET.	3.3 V logic
BAT	Power	Battery-management connection/path for LiPo battery operation; product page states onboard battery management and separate battery/3.3 V operation.	single-cell LiPo battery path

Logical pinout · physical placement not verified

Pin details

7 connections

USB-C
USB-C connector for board power and USB-to-serial programming; Adafruit identifies this TinyPICO variant as the USB-C development board.
UnknownVoltage · 5 V USB power path when USB cable is present
5V
Board 5 V power path isolated from the 3.3 V path; powers USB-side circuitry when a 5 V source is present.
PowerVoltage · 5 V
3V3
3.3 V regulated rail from the onboard 700 mA regulator; Adafruit states TinyPICO has a 700 mA 3.3 V regulator and a separate 3.3 V power path.
PowerVoltage · 3.3 V
GND
Board ground reference for power and GPIO connections.
GroundVoltage · 0 V
GPIO
General-purpose ESP32 I/O exposed by the TinyPICO board; Adafruit states the board exposes 14 GPIO.
SignalVoltage · 3.3 V logic
GPIO13
Controls the high-side switch for power to the onboard APA102 RGB LED; Adafruit notes GPIO13 controls APA102 power through a P-channel MOSFET.
GPIOVoltage · 3.3 V logic
BAT
Battery-management connection/path for LiPo battery operation; product page states onboard battery management and separate battery/3.3 V operation.
PowerVoltage · single-cell LiPo battery path

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