1
AT
and check for OK
.AT+CREG?
to check network registration status.AT+CSTT="your_apn"
.AT+CIICR
to bring up the wireless connection.AT+CIFSR
to get the IP address while connected to the network.AT+CIPSHUT
.GPS_RX
, GPS_TX
, SIM_RX
, SIM_TX
, SWDIO, SWCLK (no pull-up or pull-down needed as they are connected to other components).SIM_RST
net).Image
Pet Tracker Device
Controls
Availability & Pricing
Distributor | Qty 1 | |
---|---|---|
Digi-Key | $8.52–$9.78 | |
LCSC | $13.91 | |
Mouser | $8.23 |
Assets
id=Pet Tracker Reference Design
Simulation
Image
Image
Image
Image
Des | Net | Des | Net | |
---|---|---|---|---|
P1 | Net 6 | 1-1 | — | |
P1 | Net 6 | 1-2 | — | |
Trace a520 | Net 6 | 1-2 | — | |
Trace a520 | Net 6 | 1-1 | — | |
— | VSS | GND | ||
— | VSS | GND | ||
— | VSS | GND | ||
— | VSS | GND | ||
— | VSS | GND | ||
— | VSS | GND | ||
— | VSS | GND | ||
— | VSS | GND | ||
— | VSS | GND | ||
Trace b39e | GND | — | ||
Trace b7f0 | GND | — | ||
Trace b39e | GND | — | ||
Trace b7f0 | GND | — |
Designator | Ruleset | |
---|---|---|
*`REF`* | C1 | |
*`REF`* | C4 | |
*`REF`* | U5 | |
*`REF`* | R5 | |
*`REF`* | J1 | |
*`REF`* | R2 | |
*`REF`* | BT1 | |
*`REF`* | J3 | |
*`VALUE`* | L1 value | |
*`REF`* | R4 | |
*`REF`* | J2 | |
*`REF`* | R1 | |
*`REF`* | C3 | |
*`REF`* | U1 | |
*`REF`* | C2 | |
*`REF`* | R6 | |
*`REF`* | R7 | |
*`REF`* | R8 |
Designators | Net | |
---|---|---|
P2, VSS | GND |
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