unPhone 7 image

unPhone 7

Development Board

Code name: FEATHER_ESP32
ESP32

unPhone 7 is a development board based on the ESP32 microcontroller using XTENSA architecture.

This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.

About unPhone 7

Modular ESP32-based mobile platform - ideal for education, prototyping, and open-source phone development.

📋 Technical Specifications

Complete technical specification details for unPhone 7

🛰️ Connectivity

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

🧠 Microcontroller

Model esp32
Clock Speed 240 MHz
Flash Size 4MB
Architecture xtensa

✨ Features & Pins

Digital IO 40
Analog Input 16
PWM 17
Interrupts 16

Useful Links

Datasheets and resources for unPhone 7

ESP32 Datasheet

Microcontroller reference

Pin Mappings

Complete pinout and GPIO mapping for unPhone 7

40
Digital I/O Pins
16
Interrupt Pins
16
Analog Inputs
17
PWM Pins
PinAnalogTouchPWMOther
4A5T0PWM
5PWMSCK
12A11T5PWM
13A12T4PWMLED_BUILTIN
14A6T6PWM
15A8T3PWM
16PWMRX
17PWMTX
18PWMMOSI
19PWMMISO
22PWMSCL
23PWMSDA
25A1PWMDAC1
26A0PWMDAC2
27A10T7PWM
32A7T9PWM
33A9T8PWMSS
34A2
35A13BATT_MONITOR
36A4
39A3
Legend
A0 Analog input
T0 Touch sensor
PWM PWM capable
RX/TX Serial pins
LED Built-in LED
# Pin number

Default Tools & Configuration

Build and upload settings for unPhone 7

SettingValue
Bootloader toolesptool_py
Uploader toolesptool_py
Network uploader toolesp_ota
Bootloader address0x1000
Flash modedio
Boot modedio
Maximum upload size
1280 KB (1310720 bytes)
Maximum data size
320 KB (327680 bytes)
Configuration Summary

The unPhone 7 uses esptool_py for uploads , esp_ota for OTA updates, and esptool_py bootloader at 0x1000.

Flash mode: dio | Boot mode: dio

Max sketch size: 1280 KB | Max data size: 320 KB