Hardware Specifications

Contents

Hardware Specifications#

The Touch Dot S3 development board is built around the ESP32-S3 Mini chip, offering a range of features tailored for wearables and IoT applications.

Schematic Diagram



Dimensions#

_images/unit_dimension_v_0_1_2_ue0072_touch_dot_s3.png

Fig. 3 Dimension#

Topology#

_images/unit_topology_v_0_1_2_ue0072_touch_dot_s3.png

Fig. 4 Topology#

Table 7 Topology#

Ref.

Description

IC1

Espressif ESP32-S3

U1

AP2112K 3.3V LDO Voltage Regulator

PB1

Boot Push Button

PB2

Reset Push Button

SW1

Power On Switch

L1

Power On LED

L2

Charge On LED

L3

Built-in LED (GPIO 6 or D13)

L4

WS2812B-2020 LED

SB1

Solder bridge to enable QWIIC VCC

J1

Male USB Type-C Connector

J2

Low-power I2C QWIIC JST Connector

J3

PH2.0 mm Pitch Battery Connector

J4

Micro SD Slot

JP1

Sewable Pads

JP2

Sewable Pads

JP3

GPIO, system, and power supply pin headers

JP4

GPIO, system, and power supply pin headers