ProtoCentral HealthyPi 4 Development Board Pinout and Technical Specifications
Code name: HEALTHYPI_4
ProtoCentral HealthyPi 4 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.
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ProtoCentral HealthyPi 4 Specs
Below you can find the specifications of ProtoCentral HealthyPi 4, such as features, connectivity options, and ProtoCentral HealthyPi 4 technical specs.
Features
- 40 digital IO pins
- 16 external interrupt pins
- 16 analog input pins
- 20 PWM pins
Connectivity
- WiFi: 802.11 b/g/n (2.4 GHz)
- Bluetooth: 4.2
- WiFi: 4.2
Technical specs
| Clock Speed | 240 MHz |
| Flash size | 4MB |
| Microcontroller | esp32 |
| Architecture | xtensa |
ProtoCentral HealthyPi 4 Pins Mapping Arduino IDE
Below you can find the ProtoCentral HealthyPi 4 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 20 pins have Pulse-Width Modulation (PWM) .
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | A11 | T1 | ||
| 1 | PWM | TX | ||
| 2 | A12 | T2 | PWM | SS |
| 3 | PWM | RX | ||
| 4 | A10 | T0 | PWM | AFE4490_PWDN_PIN |
| 12 | A15 | T5 | PWM | |
| 13 | A14 | T4 | PWM | ADS1292_CS_PIN |
| 14 | A16 | T6 | PWM | ADS1292_START_PIN |
| 15 | A13 | T3 | PWM | LED_BUILTIN |
| 16 | PWM | SLIDE_SWITCH | ||
| 17 | PWM | KEY_BUILTIN | ||
| 18 | PWM | SCK | ||
| 19 | PWM | MISO | ||
| 21 | PWM | SDA AFE4490_CS_PIN | ||
| 22 | PWM | SCL | ||
| 23 | PWM | MOSI | ||
| 25 | A18 | PWM | DAC1 | |
| 26 | A19 | PWM | DAC2 ADS1292_DRDY_PIN | |
| 27 | A17 | T7 | PWM | ADS1292_PWDN_PIN |
| 32 | A4 | T9 | PWM | |
| 33 | A5 | T8 | PWM | |
| 34 | A6 | |||
| 35 | A7 | |||
| 36 | A0 | |||
| 39 | A3 | AFE4490_DRDY_PIN |
Default Tools
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | dio |
| PSRAM type | |
| Maximum upload size | 1280 Kb (1310720 B) |
| Maximum data size | 320 Kb (327680 B) |
The ProtoCentral HealthyPi 4 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 ProtoCentral HealthyPi 4 development board by default is dio and dio respectively.
