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I think I am nearly there. But I am stuck in getting data from the emontx through to the RFM12B and therefor to show on emoncms. I would also like to know how to add inputs on emoncms. At the moment I have a single CT sensor connected to the emontx.

emontx
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sketch uploaded contains:

const int CT1 = 1;
const int CT2 = 0;                                                      // Set to 0 to disable CT channel 2
const int CT3 = 0;                                                      // Set to 0 to disable CT channel 3

#define freq RF12_868MHZ                                                // Frequency of RF12B module can be RF12_433MHZ, RF12_868MHZ or RF12_915MHZ. You should use the one matching the module you have.
const int nodeID = 10;                                                  // emonTx RFM12B node ID
const int networkGroup = 210;                                           // emonTx RFM12B wireless network group - needs to be same as emonBase and emonGLCD

const int UNO = 1;         

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led lit with flash off every 10 seconds

from Minicom on raspberry pi
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Available commands:
  123 x      - Toggle configuration change protection, 1=Unlocked
  <nn> i     - set node ID (standard node ids are 1..26)
  <n> b      - set MHz band (4 = 433, 8 = 868, 9 = 915)
  <nnn> g    - set network group (RFM12 only allows 212, 0 = any)
  <n> c      - set collect mode (advanced, normally 0)
  ...,<nn> a - send data packet to node <nn>, with ack
  ...,<nn> s - send data packet to node <nn>, no ack
  <n> l      - turn activity LED on DIG8 on or off
Current configuration:
65 i1 g210 @ 868 MHz  Lock: 1

Reading the documentation, should I be seeing data received

emoncms
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input page
No inputs created
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Documentation mentions a 'raspberry pi' menu option to configure frequency, group and base id
I dont have this option, i have an image in the same place but when click on this icon I get an almost blank page
After clicking admin menu option, I just get database update and check

RFM12B
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led continously lit