Sim7020: Difference between revisions
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Revision as of 09:41, 29 March 2020
| Project Sim7020 | |
|---|---|
| |
| SIM7020 NB-IOT modem | |
| Status | Initializing |
| Contact | bertrik |
| Last Update | 2020-03-29 |
What
This page is about the SIM7020 NB-IOT module.
I plan to experiment with this kind of network connectivity for perhaps a bat activity monitor or air quality monitoring.
Hardware
I wired it up like this:
| SIM7020 | USB serial | Remark |
|---|---|---|
| G | nc | looped to SIM7020-K |
| R | TXD | |
| T | RXD | |
| K | nc | looped to SIM7020-G |
| V | 3V3 | |
| G | GND | |
| S | DTR |
References
I followed roughly this guide:
Ordered a SIM7020 and a starter kit, see: https://www.hackster.io/voske65/arduino-nb-iot-with-sim7020-and-t-mobile-027f8f