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Treat Flux like your intern. Tell it what you'd like to build and it'll get to work. You can also ask it questions, brainstorm ideas, and teach it your preferences. Learn More

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SL1
SL2
UART0_RX
U1
Manufacturer Part Number
AP2112K-3.3TRG1
SW2
ESP32_EN
UART0_TX
UART0_RX
+3.3V
BOOST_EN
+3.3V
ESP32_EN
ESP32_RX2
RTS
ESP32_EN
UART0_TX
IO0
ESP32/I2C_SCL
+3.3V
ESP32/I2C_SDA
SW1
ESP32_TX2
VBAT
+3.3V
Note 1
Line 1
Sensor MH-19
Line 2
Intelligent Infrared CO2 Module
Line 3
------------------------------------------------------------
Line 4
https://www.winsen-sensor.com/d/files/PDF/Infrared%20Gas%20Sensor/NDIR%20CO2%20SENSOR/MH-Z19%20CO2%20Ver1.0.pdf
J1
DTR
ESP32/I2C_SCL
+3.3V
Note 2
Line 2
Sensor VEML6075
Line 3
UV Light Sensor
Line 4
-----------------------------------------------------------
Line 5
https://www.sparkfun.com/products/15089
+3.3V
LED1
U2
DTR
ESP32/I2C_SDA
BOOST_EN
VBOOST
ESP32_RX2
+V_SOLAR
J2
+3.3V
IO0
VBAT
ESP32_TX2
ESP32/I2C_SCL
IO0
RTS
ESP32/I2C_SDA
VBOOST
J3
C1
Capacitance
1uF
R4
Resistance
10KΩ
J5
R1
Resistance
1KΩ
Q3
Manufacturer Part Number
BSS138
R3
Resistance
10KΩ
Q2
Manufacturer Part Number
BSS138
C2
Capacitance
1uF
J4
J6

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ENVIRONMENTAL EXPOSURE RISK METER

ENVIRONMENTAL EXPOSURE RISK METER thumbnail
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.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Digi-Key

$1.06–$1.63

LCSC

$4.66–$4.79

Mouser

$1.01

Controls