ESP and DHT22 LOW MEMORY

I not have analyser...

Log:

 ____                 _
|  __|___ ___ ___ _ _|_|___ ___
|  __|_ -| . |  _| | | |   | . |
|____|___|  _|_| |___|_|_|_|___|
         |_| espruino.com
 2v04 (c) 2019 G.Williams
Espruino is Open Source. Our work is supported
only by sales of official boards and donations:
http://espruino.com/Donate
>WARNING: Scan stop failed
WARNING: set rssi scan not implemeted yet
 ____                 _
|  __|___ ___ ___ _ _|_|___ ___
|  __|_ -| . |  _| | | |   | . |
|____|___|  _|_| |___|_|_|_|___|
         |_| espruino.com
 2v04 (c) 2019 G.Williams
Espruino is Open Source. Our work is supported
only by sales of official boards and donations:
http://espruino.com/Donate
>
{
  "raw": "100000010010101010000000011001100001000111",
  "rh": 119.4, "temp": 40.8 }
{ "free": 1872, "usage": 428, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.99 }
start: Date: Thu Jan 1 1970 00:00:36 GMT+0000 end: Date: Thu Jan 1 1970 00:00:41 GMT+0000 elapsed: 41829.603
_____
{
  "raw": "010000001001010110000000001100110100100101",
  "rh": 59.8, "temp": 20.5 }
{ "free": 1884, "usage": 416, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.956 }
start: Date: Thu Jan 1 1970 00:00:41 GMT+0000 end: Date: Thu Jan 1 1970 00:00:42 GMT+0000 elapsed: 42525.681
_____
{
  "raw": "010000001001010110000000001100110100100101",
  "rh": 59.8, "temp": 20.5 }
{ "free": 1881, "usage": 419, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.957 }
start: Date: Thu Jan 1 1970 00:00:46 GMT+0000 end: Date: Thu Jan 1 1970 00:00:46 GMT+0000 elapsed: 46926.537
_____
{
  "raw": "010000001001010011000000001100110100100010",
  "rh": 59.5, "temp": 20.5 }
{ "free": 1877, "usage": 423, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.958 }
start: Date: Thu Jan 1 1970 00:00:51 GMT+0000 end: Date: Thu Jan 1 1970 00:00:51 GMT+0000 elapsed: 51926.504
_____
{
  "raw": "010000001001010011000000001100110100100010",
  "rh": 59.5, "temp": 20.5 }
{ "free": 1874, "usage": 426, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.958 }
start: Date: Thu Jan 1 1970 00:00:56 GMT+0000 end: Date: Thu Jan 1 1970 00:00:56 GMT+0000 elapsed: 56926.781
_____
{
  "raw": "010000001001001101000000001100110100011100",
  "rh": 58.9, "temp": 20.5 }
{ "free": 1867, "usage": 433, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.961 }
start: Date: Thu Jan 1 1970 00:01:01 GMT+0000 end: Date: Thu Jan 1 1970 00:01:02 GMT+0000 elapsed: 62636.94
_____
{
  "raw": "010000001001011000000000001100110100100111",
  "rh": 60, "temp": 20.5 }
{ "free": 1863, "usage": 437, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.961 }
start: Date: Thu Jan 1 1970 00:01:06 GMT+0000 end: Date: Thu Jan 1 1970 00:01:06 GMT+0000 elapsed: 66927.156
_____
{
  "raw": "010000001001010010000000001100110100100001",
  "rh": 59.4, "temp": 20.5 }
{ "free": 1860, "usage": 440, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.962 }
start: Date: Thu Jan 1 1970 00:01:11 GMT+0000 end: Date: Thu Jan 1 1970 00:01:11 GMT+0000 elapsed: 71928.198
_____
{
  "raw": "010000001001010100000000001100110100100011",
  "rh": 59.6, "temp": 20.5 }
{ "free": 1856, "usage": 444, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.963 }
start: Date: Thu Jan 1 1970 00:01:16 GMT+0000 end: Date: Thu Jan 1 1970 00:01:16 GMT+0000 elapsed: 76928.198
_____
{
  "raw": "010000001001010010000000001100110100100001",
  "rh": 59.4, "temp": 20.5 }
{ "free": 1853, "usage": 447, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.964 }
start: Date: Thu Jan 1 1970 00:01:21 GMT+0000 end: Date: Thu Jan 1 1970 00:01:21 GMT+0000 elapsed: 81928.796
_____
{
  "raw": "010000001001010010000000001100110100100001",
  "rh": 59.4, "temp": 20.5 }
{ "free": 1849, "usage": 451, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.965 }
start: Date: Thu Jan 1 1970 00:01:26 GMT+0000 end: Date: Thu Jan 1 1970 00:01:26 GMT+0000 elapsed: 86928.826
_____
{
  "raw": "010000001001010011000000001100110100100010",
  "rh": 59.5, "temp": 20.5 }
{ "free": 1846, "usage": 454, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.966 }
start: Date: Thu Jan 1 1970 00:01:31 GMT+0000 end: Date: Thu Jan 1 1970 00:01:31 GMT+0000 elapsed: 91927.032
_____
{
  "raw": "010000001001001110000000001100111000011110",
  "rh": 59, "temp": 20.6 }
{ "free": 1842, "usage": 458, "total": 2300, "history": 202,
  "gc": 0, "gctime": 1.964 }
start: Date: Thu Jan 1 1970 00:01:36 GMT+0000 end: Date: Thu Jan 1 1970 00:01:36 GMT+0000 elapsed: 96928.07
_____