Update device URL

Author: cpq

step-7-webserver/pico-w5500/Makefile

@@ -30,7 +30,7 @@ firmware.uf2: firmware.bin $(BIN2UF2)
 	$(BIN2UF2) $< $@
 
 # Requires env variable VCON_API_KEY set
-DEVICE_URL ?= https://dash.vcon.io/api/v3/devices/1
+DEVICE_URL ?= https://dash.vcon.io/api/v3/devices/3
 test: update
 	curl --fail -su :$(VCON_API_KEY) $(DEVICE_URL)/tx?t=5 | tee /tmp/output.txt
 	grep 'Ethernet: up' /tmp/output.txt