Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
weatherbox:dragonfruit:meeting_minutes_march_13_2017 [2017/03/14 02:29] tyamauchi [Updates] |
weatherbox:dragonfruit:meeting_minutes_march_13_2017 [2021/09/19 21:59] (current) |
||
---|---|---|---|
Line 1: | Line 1: | ||
- | =====Dragonfruit Team Meeting - March 6th, 2017===== | + | =====Dragonfruit Team Meeting - March 13th, 2017===== |
Attended: Kevin, Gordon, (Tyler) | Attended: Kevin, Gordon, (Tyler) | ||
Line 8: | Line 8: | ||
* we first let the board transmit for some time | * we first let the board transmit for some time | ||
* then we played with the solar irradiance levels to see what conditions it will stop transmitting | * then we played with the solar irradiance levels to see what conditions it will stop transmitting | ||
+ | * Transmission testing outside | ||
+ | * 1 - have board transmit indoors | ||
+ | * 2 - move board outside into the sun | ||
+ | * 3 - bring back inside | ||
+ | * 4 - move board outside into sun but with solar irradiance and solar panels covered | ||
==== Problems ==== | ==== Problems ==== | ||
Line 19: | Line 24: | ||
* Debug LED flag : turn on led and keep it on after Ghost voltage is perceived | * Debug LED flag : turn on led and keep it on after Ghost voltage is perceived | ||
* ADC6 might be able be a input chart | * ADC6 might be able be a input chart | ||
+ | * **Transmission Tests** | ||
+ | * test adafruit charging chip indoors and outdoors | ||
+ | * make sure output is good | ||
+ | * LED behavior | ||
+ | * behavior with irradiance | ||
+ | * test our charging chip | ||
+ | * behavior with irradiance | ||
+ | * LED behavior | ||
+ | * Hopefully simply changing the charging chip will fix the problem | ||
* Look into power switching of charging chip | * Look into power switching of charging chip | ||
* Tryston said that between 4.3 - 4.5V the board would be powered by the battery instead of the solar panel | * Tryston said that between 4.3 - 4.5V the board would be powered by the battery instead of the solar panel | ||
Line 29: | Line 43: | ||
* Take off vswitch and connect to the charging chip load | * Take off vswitch and connect to the charging chip load | ||
* LEDs should act the same as the adafruit charging chip LEDs | * LEDs should act the same as the adafruit charging chip LEDs | ||
- | * Populate a board with charging chip | + | * Populate a board with charging chip |
- | * ** The VBATT connection is directly connected to the MCU ** | + | |
- | * Incorporate a voltage divider to that connection. | + | |
- | * Add decoupling capacitor to the vswitch connection (may or may not matter) | + | |
* Charging chip debug LED tests | * Charging chip debug LED tests | ||
* 1 - 5bit number to voltage tests | * 1 - 5bit number to voltage tests |