Environmental exposure risk measuring device based on ESP32, ultraviolet light (UV) and CO2 gas sensor modules. It has a voltage booster based on MT3608 chip and a solar panel lithium battery charger with MPPT based on CN3791 chip.
Ultra-Low-Power Solar CO₂ Monitor with Programmable LoRa-E5, Low-Power I²C CO₂ Sensor, MPPT Solar Input and 10-Year Battery Life #co2 #lowpower #mppt #solar #lora #stm
Check out the winning project at the SF climate hardware hack!
This project intends to bring smart IoT capabilities to homes for native bees so that more people can provide them housing and we can all participate in citizen science to gather more information about the bees!
Requirements:
-Daytime Operation Only
-Track Bee Input/Output Directionality
-Connects to House via WiFi
Features:
-MPPT Solar Power Conditioning
-96% efficient IR LED Drive
Next Version Feature Wants:
Microphone!
Check out the winning project at the SF climate hardware hack!
This project intends to bring smart IoT capabilities to homes for native bees so that more people can provide them housing and we can all participate in citizen science to gather more information about the bees!
Requirements:
-Daytime Operation Only
-Track Bee Input/Output Directionality
-Connects to House via WiFi
Features:
-MPPT Solar Power Conditioning
-96% efficient IR LED Drive
Next Version Feature Wants:
Microphone!
10A MPPT Solar Charge Controller with dual USB ports using Low-power 32bit ARMCortex-M0+ MCU (STM32L072).
Expandable via Olimex Universal Extension Connector (UEXT) featuring I2C
