diff --git a/rpi/spark_counter_receiver.c b/rpi/spark_counter_receiver.c
deleted file mode 100644
index e71f057..0000000
--- a/rpi/spark_counter_receiver.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-/* Copyright (c) 2015 King Kévin <kingkevin@cuvoodoo.info> */
-/* the spark counter receives electricity measurements over radio
- * they are then received using an nRF2L01+ transceiver
- * to communicate with the transceiver the RF24 library is requiered
- * they are then stored in an InfluxDB time series database using the HTTP API
- * to send values to the database the curl library is required
- */
-
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-
-#include <RF24/RF24.h> // http://tmrh20.github.io/RF24 library to communicate to the nRF24L01+
-#include <curl/curl.h> // curl library to send the measurement data to the influxDB.
-
-// Setup for RPi B1 GPIO 22 CE and CE0 CSN with SPI Speed @ 8Mhz
-RF24 radio(RPI_V2_GPIO_P1_22, BCM2835_SPI_CS0, BCM2835_SPI_SPEED_8MHZ);
-
-// nRF24L01+ addresses
-const uint8_t tx_addr[] = {1,'h','o','m','e'};
-const uint8_t rx_addr[] = {0,'h','o','m','e'};
-
-CURL *curl; // curl handle to post data to influxbd using the HTTP API
-
-int main(int argc, char** argv){
-
-  // configure influxdb connection
-  curl = curl_easy_init();
-  if(curl) {
-    curl_easy_setopt(curl, CURLOPT_URL, "http://localhost:8086/write?db=electricity");
-  }
-
-  // configure nRF24L01+ radio
-  radio.begin();
-  radio.setChannel(42);
-  radio.setPALevel(RF24_PA_MAX);
-  radio.setDataRate(RF24_1MBPS);
-  radio.setAutoAck(true);
-  radio.enableDynamicPayloads();
-  radio.setRetries(2,15);
-  radio.setCRCLength(RF24_CRC_8);
-  radio.openWritingPipe(tx_addr);
-  radio.openReadingPipe(1,rx_addr);
-  //radio.printDetails();
-  
-  printf("wait for packet to arrive\n");
-  radio.startListening();
-  while (1) { // forever loop
-    while (radio.available()) {
-      time_t ltime; // calendar time 
-      ltime=time(NULL); // get current cal time
-      char stime[64]; // do display the time
-      strftime(stime, sizeof(stime), "%F %T %z %Z", localtime(&ltime));
-      printf("%s: payload received\n",stime);
-      uint8_t payload[32]; // buffer to save the payload
-      uint8_t size = radio.getDynamicPayloadSize();
-      radio.read(&payload,size);
-/*
-      printf("got %d bytes:",size);
-      for (uint8_t i=0; i<size; i++) {
-        printf(" %02x",payload[i]);
-      }
-      printf("\n");
-*/
-      // got through payload
-      uint8_t id = 0; // the meter id (0 is myself, used for unknown source)
-      CURLcode res; // curl response
-      char post[128] = {0}; // string to submit data to DB using POST request
-      uint8_t i = 0; // index within the data
-      while (i+2<size) {
-        uint8_t type = payload[i]; // type of IE
-        uint8_t length = payload[i+1]; // length of IE
-        if (i+1+length<size) { // value is within data
-          switch (type) { // read type
-            case 0: // id
-              if (length==1) {
-                id = payload[i+2];
-                printf("meter: %d\n",id);
-              }
-              break;
-            case 1: // voltage
-              if (length==4) {
-                float value = 0;
-                memcpy(&value,&payload[i+2],length);
-                printf("voltage: %f V\n",value);
-                if (curl) {
-                  snprintf(post, sizeof(post), "voltage,meter=%d value=%f", id, value);
-                  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post);
-                  res = curl_easy_perform(curl);
-                  if(res!= CURLE_OK) {
-                    fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
-                  }
-                }
-              }
-              break;
-            case 2: // current
-              if (length==4) {
-                float value = 0;
-                memcpy(&value,&payload[i+2],length);
-                printf("current: %f A\n",value);
-                if (curl) {
-                  snprintf(post, sizeof(post), "current,meter=%d value=%f", id, value);
-                  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post);
-                  res = curl_easy_perform(curl);
-                  if(res!= CURLE_OK) {
-                    fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
-                  }
-                }
-              }
-              break;
-            case 3: // power
-              if (length==4) {
-                float value = 0;
-                memcpy(&value,&payload[i+2],length);
-                printf("power: %f W\n",value);
-                if (curl) {
-                  snprintf(post, sizeof(post), "power,meter=%d value=%f", id, value);
-                  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post);
-                  res = curl_easy_perform(curl);
-                  if(res!= CURLE_OK) {
-                    fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
-                  }
-                }
-              }
-              break;
-            case 4: // energy
-              if (length==4) {
-                float value = 0;
-                memcpy(&value,&payload[i+2],length);
-                printf("energy: %f Wh\n",value);
-                if (curl) {
-                  snprintf(post, sizeof(post), "energy,meter=%d value=%f", id, value);
-                  curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post);
-                  res = curl_easy_perform(curl);
-                  if(res!= CURLE_OK) {
-                    fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
-                  }
-                }
-              }
-              break;
-            default:
-              printf("unknown type: %d\n",payload[i]);
-          }
-          i += 2+length; // got to next IE
-        } else { // value isn't within data
-          i = size; // end the loop
-        }
-      }
-    }
-    usleep(10000); // wait 10ms before request if data is available again (the IRQ signal is not used)
-  }
-
-  if (curl) {
-    curl_easy_cleanup(curl);
-  }
-}