General purpose PCB for Arduino Nano

The first PCB for MySensors nodes

The aim of this pcb is to offer an easy way to build a reliable and compact MySensors node based on Arduino Nano and an NRF24L01 radio module. This is how the board looks:

GP PCB Nano – Front view

GP PCB Nano – Rear view

Features

The main features of the pcb are:

• Small dimensions: 55 x 55 mm
• Socket for NRF24L01 radio module with dedicated capacitor
• MYSX connector v.2.6
• Radio traffic LED
• Multiple and flexible power options (5-23V)
• Support for a photoresistor to measure the light level
• Buzzer (beeper)
• Support for DHT22 temperature and humidity sensor
• 4 channel RGBW LED controller
• Dedicated 3.3V voltage regulator to power the radio module
• Additional PIN to power external devices
• Support for ATSHA204 IC
• Support for DC Barrel Jack
• Mounting hole for a M2.5 screw

Schematics

Below the schematics of the board.

GP PCB Nano – Schematics

Downloads

You can download the Gerber files and have ten of this pcb for about 5€, with an online pcb manufacturer like JLCPCB or PCB way.

If you want to modify something, the entire Kicad project is available here:

or as a repository in github.

Know more…

Visit this page of the d-diot wiki to know more about the pcb and its BOM. 

Use the interactive board tool to see where to place each component.