Hardware Issues/ Enhancements

• ISSUE Stronger power supply. 5V operation works, but 3.3V battery does not.
• ENHANCEMENT Hall Effect sensors on measurement devices
• ENHANCEMENT I2C based counters for rainfall and wind anemometer revolution count
• ENHANCEMENT Full low current analysis
• Mount ESP32 on PCB and keep only what I need in the design

Troubleshooting

1. When RESET or initial power on happens on non 5V USB power (using LiIon battery and MCP1700)

   1. WiFi radio begin() will fail and system reboots

   2. second connect will pass

   3. sequence fails again after deep sleep and timer WAKE

Log of efforts

6-22-2021 Ordered 500mA LDO’s from Microchip. TC1262 (qty 10)