diff --git a/main.c b/main.c
index 70eadfa..036e45d 100644
--- a/main.c
+++ b/main.c
@@ -306,9 +306,9 @@ void main(void)
 	char c = ' '; // to store received character
 	bool char_flag = false; // a new character has been received
 
-	struct sensor_pzem_measurement_t pzem_measurements[3][4]; // PZEM-004T measurements
+	struct sensor_pzem_measurement_t pzem_measurements[2][4]; // PZEM-004T measurements
 	uint8_t pzem_measurement_i = 0; // PZEM-004T measurement index
-	sensor_pzem_measurement_request(0xc0a80100+pzem_measurement_i, SENSOR_PZEM_VOLTAGE); // start measurement
+	sensor_pzem_measurement_request(0xc0a80100+pzem_measurement_i, SENSOR_PZEM_VOLTAGE); // start measurement (based on base address plus meter number, and voltage is the first measurement)
 
 	while (true) { // infinite loop
 		iwdg_reset(); // kick the dog
@@ -350,22 +350,27 @@ void main(void)
 			if (measurement.valid) { // only show valid measurement
 				switch (measurement.type) {
 				case SENSOR_PZEM_VOLTAGE:
-					printf("voltage: %.01f V\n", measurement.value.voltage); // display measurement
+					printf("PZEM-004T meter %u voltage: %.01f V\n", pzem_measurement_i, measurement.value.voltage); // display measurement
+					sensor_pzem_measurement_request(0xc0a80100+pzem_measurement_i, SENSOR_PZEM_CURRENT); // request next measurement
 					break;
 				case SENSOR_PZEM_CURRENT:
-					printf("current: %.02f A\n", measurement.value.current);
+					printf("PZEM-004T meter %u current: %.02f A\n", pzem_measurement_i, measurement.value.current);
+					sensor_pzem_measurement_request(0xc0a80100+pzem_measurement_i, SENSOR_PZEM_POWER); // request next measurement
 					break;
 				case SENSOR_PZEM_POWER:
-					printf("power: %.00f W\n", measurement.value.power);
+					printf("PZEM-004T meter %u power: %.00f W\n", pzem_measurement_i, measurement.value.power);
+					sensor_pzem_measurement_request(0xc0a80100+pzem_measurement_i, SENSOR_PZEM_ENERGY); // request next measurement
 					break;
 				case SENSOR_PZEM_ENERGY:
-					printf("energy: %lu Wh\n", measurement.value.energy);
+					printf("PZEM-004T meter %u energy: %lu Wh\n", pzem_measurement_i, measurement.value.energy);
+					pzem_measurement_i++; // got to next meter (sending to none existing meter will just end in void)
+					sensor_pzem_measurement_request(0xc0a80100+pzem_measurement_i, SENSOR_PZEM_VOLTAGE); // request next measurement
 					break;
 				case SENSOR_PZEM_ADDRESS:
-					printf("address set\n");
+					printf("PZEM-004T meter %u address set\n", pzem_measurement_i);
 					break;
 				case SENSOR_PZEM_ALARM:
-					printf("alarm threshold set\n");
+					printf("PZEM-004T meter %u alarm threshold set\n", pzem_measurement_i);
 					break;
 				default:
 					break;