Data Collection Project

Job ID: 35100279

Budget: $150 – $250 USD

We need the collect solar panel values, like ( Current , Voltage, Temp , Hum , Time ) and send them to Reciever by Lorawan or NRF24L01

we have 20 pcs slave solar panel , and one pcs master device
Master device make a query one by one to solar panels and collect and store the data and send it to PC by usb

We made the circuit , and pcb so we only need firmware and c# based simple pc software

Technical Information
System based STM32F401
NRF24L01 2 pcs
Lorawan SX1278 Module one pcs
ACS712 Current Measurement
Resistor Divide for Voltage Measurement
USB Connection
HCT11 Temperature for environment measurement
ds18b20 for Solar Panel Temperature measurement
DS3231 for Time Keeping
Microsd card for datarecord