lnPoSBareBones

⚡⚡⚡⚡LNPoSBareBones ($10)⚡⚡⚡⚡

This is the cheap version of the project, with a litte bulk buying you can easily get the price down to $8ish off the shelf:

• ESP32 dev board
• TFT 1,4inch
• keypad membrane
• Case:
  • Quickening-Box from CryptoCloaks FileFactory

• Install Arduino IDE 1.8.19
• Install ESP32 boards, using boards manager
• Download this repo
• Copy these libraries into your Arduino install "libraries" folder
• Open this LNPoSBareBones.ino file in the Arduino IDE
• Select "ESP32 Dev Module" from tools>board
• build device

TFT PIN MAP:

• VCC - 5V
• GND - GND
• CS - GPIO5
• Reset - GPIO16
• AO (DC) - GPI17
• SDA (MOSI) - GPIO23
• SCK - GPIO18
• LED - 3.3V

Keypad

• 12-32

• Upload to device

Note: If using MacOS, you will need the CP210x USB to UART Bridge VCP Drivers available here https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers