Fix the rx0 address

The address was set for the wrong address and thus the module could not
receive acks from the base station

weather-sensor/firmware/nrf24l01.c

 	SETUP_RETR_REGISTER setupRetrRegisterContents = {.byte = 0x0};
 
 	uint8_t txAddress[5] = {0xB3, 0xB3, 0xB3, 0xB3, 0x00};
-	uint8_t rx0Address[5] = {0xB3, 0xB3, 0xB3, 0xB3, 0x20};
+	uint8_t rx0Address[5] = {0xB3, 0xB3, 0xB3, 0xB3, 0x00};
 	/* 
 	 * - Length of CRC (CRCO in CONFIG)
 	 * - Enable auto acknowledgment (EN_AA)
 	/* Set the TX address */
 	Set_TX_Address(txAddress, MAX_ADDRESS_LENGTH);
 
-	rx0Address[4] = moduleId; // The last byte of the address corresponds to the Id set by the pin programming
+	/* Set the RX_P0 address to the one of the base station to receive acks */
 	Set_RX_P0_Address(rx0Address, MAX_ADDRESS_LENGTH);