This firmware for today: https://github.com/monteslu/iotdevfest18/blob/master/iotdevfest_lora/iotdevfest_lora.ino
- remove paper from acrylic
- attach battery holder
- addatch esp32 board & connect power
- solder neopixel strip
- attach neopixels
- insert battery
Our main service Id for the badge: 6e400001-b5a3-f393-e0a9-e50e24dcca9e
-
lora relay Characteristic
6e400002-b5a3-f393-e0a9-e50e24dcca9e -
configure screen
bada5566-e91d-1337-a49b-8675309fb070[1, 16, 0, 0]- first byte = 1 to clear screen, 0 to leave as is
- second byte = font size 10, 16, or 24
- third byte = draw position X
- fourth byte = draw position Y
-
write characters to screen
bada5566-e91b-1337-a49b-8675309fb070 -
write characters , but clear first
bada5566-e91c-1337-a49b-8675309fb070 -
Neopixels on pin 12
bada5566-e91a-1337-a49b-8675309fb070- [255,0,0, 127,127,0, 0,0,50]
- 9 bytes. for RGB values for each of the 3 neopixels
If you're having trouble getting things going, you can import this flow into chirpers:
[{"id":"THlS0XtcvO0","type":"chirpers in","z":"mDRMOWxAyVw","name":"lora broadcasts","directToMe":false,"device":"f4a2b572-b33f-495d-a8f1-7271815d40a4","x":210,"y":466,"wires":[["AC6hzIu9jGQ"]]},{"id":"AC6hzIu9jGQ","type":"debug","z":"mDRMOWxAyVw","name":"","active":true,"console":"false","complete":"false","x":444,"y":559,"wires":[]},{"id":"a6rGzwzPHRk","type":"inject","z":"mDRMOWxAyVw","name":"pixel colors","topic":"","payload":"[255,0,0, 127,127,0, 0,0,50]","payloadType":"json","repeat":"","crontab":"","once":false,"allowDebugInput":false,"x":201,"y":69,"wires":[["snIWft_QO10"]]},{"id":"snIWft_QO10","type":"bluetooth out","z":"mDRMOWxAyVw","name":"pixel control","deviceName":"","characteristicId":"bada5566-e91a-1337-a49b-8675309fb070","bleServiceId":"6e400001-b5a3-f393-e0a9-e50e24dcca9e","x":460,"y":160,"wires":[]},{"id":"E2NNdB_APLE","type":"bluetooth out","z":"mDRMOWxAyVw","name":"lora out","deviceName":"","characteristicId":"6e400002-b5a3-f393-e0a9-e50e24dcca9e","bleServiceId":"6e400001-b5a3-f393-e0a9-e50e24dcca9e","x":472,"y":274,"wires":[]},{"id":"weqrjybYQ4g","type":"inject","z":"mDRMOWxAyVw","name":"","topic":"","payload":"hello world","payloadType":"str","repeat":"","crontab":"","once":false,"allowDebugInput":false,"x":214,"y":243,"wires":[["E2NNdB_APLE"]]},{"id":"hTYhRgiSRac","type":"bluetooth out","z":"mDRMOWxAyVw","name":"write to screen","deviceName":"","characteristicId":"bada5566-e91c-1337-a49b-8675309fb070","bleServiceId":"6e400001-b5a3-f393-e0a9-e50e24dcca9e","x":487,"y":394,"wires":[]},{"id":"g-W8-dXYkmo","type":"inject","z":"mDRMOWxAyVw","name":"","topic":"","payload":"I love this badge!","payloadType":"str","repeat":"","crontab":"","once":false,"allowDebugInput":false,"x":193,"y":373,"wires":[["hTYhRgiSRac"]]}]