diff options
| author | Keith Packard <keithp@keithp.com> | 2019-03-28 22:29:21 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2019-03-28 22:29:21 -0700 |
| commit | b4ee716c0026cf997cde36ef00720d63a4c62c0c (patch) | |
| tree | 78997ac7099e56c69ef0c02f0e423269e04783f9 /doc/telegps-using.inc | |
| parent | 226f422b1fe5ccdf0bb3c07fa4983ec1615ce066 (diff) | |
doc: Document LEDs on TeleGPS devices
V1 has just the battery charger. V2 adds the GPS lock indicator.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'doc/telegps-using.inc')
| -rw-r--r-- | doc/telegps-using.inc | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/doc/telegps-using.inc b/doc/telegps-using.inc index 1dd889cd..b21445fc 100644 --- a/doc/telegps-using.inc +++ b/doc/telegps-using.inc @@ -52,7 +52,24 @@ onboard flash before it fills up. TeleGPS will still report telemetry even if memory is full, so the only thing you will lose is the on-board data log. - + + === LEDs + + TeleGPS v1.0 has a dual greed/red LED along the edge + towards the USB connector end of the board. This + indicates battery charging status while connected to + power over USB. When the red LED is lit, the battery + is charging. Once the battery is fully charged, the + red LED goes out and the green LED turns on. If both + LEDs are lit, something is probably wrong with the battery. + + TeleGPS v2.0 has the same green/red battery charging + status LED and adds another green LED along the same + edge, towards end of the board with the 70cm + antenna. This green LED indicates GPS lock status — it + blinks once every three seconds when the GPS receiver + is locked and tracking position. + === Installation The battery connectors are a standard 2-pin JST |