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LoRaNow v1

LoRaNow Boards v1 is a PCB to help wiring between Atmega328p and RFM95 LoRa module to work with 2 AA batteries.

LoRaNow_v1

Detailed Description

This board has:

  • Footprint for Atmega328p
  • Footprint for RFM95
  • Footprint for P-Channel Mosfet to turn on/off the RFM95
  • Classic I2C connector (VCC, GND, SCL, SDA)
  • Footprint for Diodes (DIO0/DIO1/DIO2 to pin 2)
  • Footprint for Ultra Low Power controller TPL5110 (Optional)

Look at the schematics for more informations.

Pins board connections.

  Arduino       RFM9x Module
  13 <--------> CLK
  12 <--------> MISO
  11 <--------> MOSI
  10 <--------> CS
  9  <--------> P-MOSFET
  2  <-DIODES-> DIO0/DIO1/DIO2

Schematic

LoRaNow_v1s

Boards

LoRaNow_v1tLoRaNow_v1b

Bill Of Material

  • Atmega328p (SMD)
  • 8MHz cystal (SMD)
  • RFM95 (check Frequency)
  • Resistor 10k (603) (x2)
  • Capacitor 1u (603)
  • Capacitor 0.1u (603) (x5)
  • P-Channel Mosfet (SOT23)
  • 1N4148 (SOD123) (x3)
  • Ultra Low Power controller TPL5110
  • Resistor 124k (603)
  • Battery holder (2xAA)
  • Antenna

License

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

If you want to do commercial stuff with this project, please contact ricaun so we can organize an simple agreement.

Blog

See news and other projects on my blog