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Watchy Development Board Pinout and Technical Specifications

Code name: WATCHY

Watchy development board is based on esp32 microcontroller and uses xtensa architecture. This development board has a maximum CPU frequency of 240 MHz and a flash size of 4MB.

Features

  • 40 digital IO pins
  • 16 external interrupt pins
  • 16 analog input pins
  • 17 PWM pins

Connectivity

  • WiFi: 802.11 b/g/n (2.4 GHz)
  • Bluetooth: 4.2
  • WiFi: 4.2

Technical specs

Clock Speed240 MHz
Flash size4MB
Microcontrolleresp32
Architecturextensa

Watchy Pins Mapping Arduino IDE

Below you can find the Watchy pinout. This development board provides 40 digital IO pins, out of which 16 can be used as an external interrupt pins , 16 as analog input pins and 17 pins have Pulse-Width Modulation (PWM) .

PinAnalogTouchPWMOther
1PWMTX
3PWMRX
4PWMDOWN_BTN_PIN
5PWMSS DISPLAY_CS
9PWMDISPLAY_RES
10PWMDISPLAY_DC
12PWMACC_INT_2_PIN
13PWMVIB_MOTOR_PIN
14PWMACC_INT_1_PIN
18PWMSCK
19PWMMISO DISPLAY_BUSY
21PWMSDA
22PWMSCL
23PWMMOSI
25PWMBACK_BTN_PIN
26PWMMENU_BTN_PIN
27PWMRTC_INT_PIN
Analog - Analog input pins
Touch - Touch pins
Function - Function pins
RX / TX - Receive (RX) / Transmit (TX)
LED_BUILTIN - Built-in LED
PWM - Pulse-Width Modulation

Default Tools

Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modeqio
PSRAM type
Maximum upload size
1280 Kb
(1310720 B)
Maximum data size
320 Kb
(327680 B)

The Watchy development board by default uses esptool_py uploader tool, esp_ota network uploader tool for Over-the-air (OTA) uploads and esptool_py bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for Watchy development board by default is dio and qio respectively. When using Arduino IDE, the maximum sketch upload size is 1280 Kb (1310720 B) and maximum data size for variables is 320 Kb (327680 B).