| 10 REM "Simple mqtt reader" | |
| 20 REM "receive a message and switch the led" | |
| 100 REM "open a mqtt topic for read" | |
| 110 OPEN &9, "iotbasic/command", 0 | |
| 120 PINM LED, 1 | |
| 200 REM "wait for a message" | |
| 210 FOR I | |
| 220 IF AVAIL(9)=0 THEN 280 | |
| 230 INPUT &9, A$ | |
| 240 REM "ESP led is inverted" | |
| 250 IF A$="on" THEN DWRITE LED, 0 | |
| 260 IF A$="off" THEN DWRITE LED, 1 | |
| 270 PRINT "Received message", A$ | |
| 280 DELAY 1000 | |
| 290 NEXT | |