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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@ClearMemory041063
Some ideas to try:
Scope the LED pin to see if the frequency is correct.
Use the Pico to receive the code and the EWiFi to send,
Use the EWiFI to receive the code and the PICO to send, see if the data is sent and is correct.
Try a visible LED and slow down the pulses to .5 Hz to see if it flashes analogWrite(pinOne,0.5,{freq:0.5}); Alternately use an IR sensor to look at the IR LED. (Some digital cameras can see IR, Iphone Android etc).
I'm fiddling with a Pico and a DHT22 to control a window AC based on the room humidity using the IR remote signals.