RPICT7V1

• 7 AC current sensor
• 1 AC Voltage sensor.
• Compute real power.
• Fit on Raspberrypi 4 holes mounting pattern.
• Attiny84 Mcu

Recommended sensors

• AC Current sensor: SCT-013-000
• AC Voltage sensor:
  • UK: 77DB-06-09
  • EU: 77DE-06-09
  • US: 77DA-10-09

EmonCMS Output

Using the default sketch the output will be
NodeID Realpower1 Realpower2 Realpower3 Realpower4 Realpower5 Realpower6 Realpower7 Irms1 Irms2 Irms3 Irms4 Irms5 Irms6 Irms7 Vrms

• RealPower in Watts
• Irms in MilliAmps
• Vrms in Volts

Emoncms Config

For default sketch v1.2

 [[11]]
   nodename = my_RPICT7V1
   firmware = v1.2
   hardware = RPICT7V1
   [[[rx]]]
      names = Realpower1, Realpower2, Realpower3, Realpower4, Realpower5, Realpower6, Realpower7,Irms1, Irms2, Irms3, Irms4,Irms5,Irms6,Irms7,Vrms
      datacode = h
      scales = 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
      units =W,W,W,W,W,W,W,mA,mA,mA,mA,mA,mA,mA,V

CSV Output

Using the default sketch the output will be
Realpower1, Realpower2, Realpower3, Realpower4, Realpower5, Realpower6, Realpower7,Irms1, Irms2, Irms3, Irms4, Irms5, Irms6, Irms7, Vrms

• RealPower in Watts
• Irms in MilliAmps
• Vrms in Volts

Files

Default Sketch V1.2.
SendOnlySoftwareSerial.zip

Sketch Upload

To upload the sketch the three jumper at the center of the board must be removed.

An avr programmer with 6pin ribbon cable is needed for programming.

Alternative version 2 here

Related Links

How to calibrate the Voltage Port