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thanks gordon, you are a god send.
appreciate your help. i am at the moment very comfortable with he button
I would like to know 1 last thing, which of the options above is best to save battery

Bluetooth.write("PRESS\r\n")
or
NRF.setAdvertising

thanks, that should solve the problem, which brings me to the next question, i rarely am able to program the puck through the espruino hub, i generally resort to the direct connection.... how can this be solved please

When i go to the espruino hub, i can mot of the time locate the puck when i try to connect i get "connection failed"

thanks, found the culprit.
so what is the best solution, quickest and best for battery please?

reinstalled fresh raspbian copy, and seems to be quick now

lucky you you get this fast response. I really wish

when clicking on timestamp the light turns on instantaneous

i uploaded your code. tried it and was kinda quick. but then after restarting the machine it got slow like before. i am unable to turn off the red led from my flow,

after doing the mosquito command, i get this,
it seems to be skipping button counts if a press on button say 5 times i.e. one 1 press a second. see log. but if i press once and wait, it eventually prints it but after a while

/ble/advertise/d8:19:e7:5b:3a:57/ffff [37]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [39]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [43]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [45]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [45]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [46]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [48]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [49]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [50]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [51]
/ble/advertise/d8:19:e7:5b:3a:57/ffff [52]

my machine uptime is as follow, i am not running anything besides nodered

21:39:17 up 1:02, 2 users, load average: 0.21, 0.15, 0.10

i am standing 3 meters away from the rpi3 unit. i have disabled wifi as well same thing, still having 7 secs day at some times. please help, i like the puck.js and want to replace my flic buttons at home but flic so far is instantaneous. the flic is using a similar flow but fast..

NRF.setTxPower(4) did the trick :)
much better, some delays at times but way better.
although i want it to be better. like the flic button.
any suggestions please?

the nordered flow i have is straightforward, i.e.

[{"id":"597ae332.73aaa4","type":"mqtt in","z":"99c290d2.1b2068","name":"","topic":"/ble/advertise/d8:19:e7:5b:3a:57/ffff","qos":"2","broker":"21fe8cb3.438fcc","x":160,"y":440,"wires":[["2b1d98d6.76c7b","d47b84a0.1d40e8"]]},{"id":"2b1d98d6.76c7b","type":"debug","z":"99c290d2.1b2068","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","x":410,"y":360,"wires":[]},{"id":"9efb6c2e.9426b","type":"hue-group","z":"99c290d2.1b2068","name":"Living Room","bridge":"fe3415a5.63152","groupid":"24","colornamer":true,"x":810,"y":500,"wires":[["1c68d506.5a4eb3"]]},{"id":"8a84c118.fdbae","type":"function","z":"99c290d2.1b2068","name":"On/Off","func":"var liv_light_bool = global.get(\"liv_light_bool\"); \nconst msg1 = {}\n\n \nif(!liv_light_bool){\n\n msg.payload={\n \t\"on\":[true],\n \t\"brightness\":[100],\n \t\"rgb\":[255,255,255],\n \t\"transitionTime\":[3],\n \t//\"colorloop\":[10],\n };\n \n}\n\nelse\n{\n msg.payload={\n \t\"on\":[false],\n \t\"brightness\":[0],\n };\n \n \n}\n\n\nmsg1.payload =\"digitalPulse(LED1, 1, 50);\";\n\nreturn [ msg, msg1];","outputs":2,"noerr":0,"x":530,"y":440,"wires":[["9efb6c2e.9426b"],["1660958b.f84e62","73e8e8a3.ba5848"]]},{"id":"1c68d506.5a4eb3","type":"function","z":"99c290d2.1b2068","name":"Set Global var","func":"global.set(\"liv_light_bool\",msg.payload.on); \nnode.status({fill:\"red\",shape:\"ring\",text:msg.payload.on});","outputs":1,"noerr":0,"x":1060,"y":500,"wires":[[]]},{"id":"1660958b.f84e62","type":"debug","z":"99c290d2.1b2068","name":"","active":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","x":670,"y":360,"wires":[]},{"id":"d47b84a0.1d40e8","type":"rbe","z":"99c290d2.1b2068","name":"","func":"rbe","gap":"","start":"","inout":"out","property":"payload","x":390,"y":440,"wires":[["8a84c118.fdbae"]]},{"id":"21fe8cb3.438fcc","type":"mqtt-broker","z":"","name":"Localhost","broker":"localhost","port":"1883","clientid":"","usetls":false,"compatmode":true,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthRetain":"false","birthPayload":"","closeTopic":"","closeQos":"0","closeRetain":"false","closePayload":"","willTopic":"","willQos":"0","willRetain":"false","willPayload":""},{"id":"fe3415a5.63152","type":"hue-bridge","z":"","name":"Philips hue","bridge":"192.168.0.24","key":"vvB2GXGT15E6qEaaGTWzRwZVKoBXTcHYCnN25sGo","interval":"1500"}]

I am using the puck.js button to turn on my hue lights.
basically the button press is advertised and pickup by EspruinoHub then diverted through nodered to turn off the light. this unfortunately can take some time with delays around 8 secs.

can this delay be improved, i understand the battery can take the hit but willing to try different scenarios.

any help please