I build a USB Keyboard to LoRa Gateway using a USB Host module, a LoRa module, and an ESP32, along with my own custom PCB with was supplied by http://www.pcbway.com

This USB host is used to connect a keyboard to the ESP32 which allows data entry which can then be sent over LoRa or WiFi to a web server.

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========================================== Some Of My Electronics Tools (video and purchase links)

Boonton

4220. 8210: https://defs.link/?u=e1eddc

Fluke

8842A: 45: https://defs.link/?u=eac51d 343A: https://defs.link/?u=13c93d 540B: https://defs.link/?u=0c6bd9 5200A: https://defs.link/?u=a43c99 5450A. 893A. A90.

HP/Agilent/Keysight

4261A: https://defs.link/?u=07ed95 5005A. 5342A 18GHz: https://defs.link/?u=5f7513 6181B: https://defs.link/?u=b12aef 8012B: https://defs.link/?u=ca5764 8648B: https://defs.link/?u=da52a3 8901B: https://defs.link/?u=535835 DSOX1102G: https://defs.link/?u=a68d39 https://defs.link/?u=12d498 E3646A: https://defs.link/?u=128f4a

Marconi

2022D. 2955: https://defs.link/?u=6f6e5e TF2103: https://defs.link/?u=61baaa

Rohde & Schwarz

SMY: https://defs.link/?u=93514b CMU200: https://defs.link/?u=8ccd72 Polarad SPN: https://defs.link/?u=2ead82

Siglent

SDM3065X: https://defs.link/?u=1ed0fe https://defs.link/?u=12d498 SDS2102 (hacked to 340MHz): https://defs.l ... https://www.youtube.com/watch?v=ck2DHpfRR58