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U7
R15
Resistance
10kΩ
Can connect a DHT11 or DHT22 Sensor
R10
Resistance
470 Ω
One-Wire protocol relies on the bus being pulled high by the pull-up resistor when not actively transmitting
R9
Resistance
10kΩ
C20
Capacitance
10uF
LoRa MODULE
TEMP & HUMIDITY CIRCUIT
R12
Resistance
50 Ω
MICROPHONE CIRCUIT
R5
Resistance
5kΩ
R6
Resistance
10kΩ
SD CARD CIRCUIT
MK1
C22
Capacitance
4u7 F
J8
J1
SW2
RP2040 Module1

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