Table
Pin Number | Pin Name | Function |
---|---|---|
1 | OUT | Output pin, decoupled with a 10uF capacitor to GND |
2 | GND | Ground pin |
3 | ISET | |
4 | EN | ON/OFF control. Pull high to enable IC. Do not leave it floating |
5 | IN | Input pin, decoupled with a 10uF capacitor to GND |
Connect U4:RFIO to J2:SIGNAL
.Connect +3V3 to U4:VCC
.Connect C11:2 (or C12:2) to U4:GND for decoupling
.Connect U4:GND to GND
.Connect U4:PA9 (TX) to U6:D7_CSn_P1_RX (RX)
.Connect U4:PA10 (RX) to U6:P0_TX_D6 (TX)
.Sensor de Humo:Vout
a Arduino:Analógico_A0
.Python
# Define the given values RISET = 2000 # Resistance in ohms V_constant = 1800 # Voltage constant in the formula # Calculate the charging current I_CH = V_constant / RISET # Current in amperes I_CH_mA = I_CH * 1000 # Convert to milliamperes I_CH_mA
Table
IC Designator | Power Net | Power Net Voltage | Capacitor Designator | Capacitor Value | Capacitor Voltage Rating | Status |
---|---|---|---|---|---|---|
U6 (XIAO RP2040) | +3V3 | 3.3V | C11 | 4.7µF | 6.3V[1] | [OK] |
C12 | 100nF | 50V[1] | [OK] | |||
U3 (SY6280AAAC) | +3V3 | 3.3V | C5 | 10µF | 6.3V[2] | [OK] |
U1 (RT8059GJ5) | VBAT | Battery Voltage (Assuming max 4.2V for Li-ion) | C3 | 100nF | 50V[1] | [OK] |
U4 (LoRa-E5) | +3V3 | 3.3V | C9 | 100nF | 50V[1] | [OK] |
IC1 (MT3608L) | 12_5V | 12.5V | C10 | 22µF | 6.3V[3] | [WARNING] Voltage of the power net is higher than the voltage rating of the capacitor. |
IC2 (SP3481CN-L/TR) | +3V3 | 3.3V | C6 | 100nF | 50V[1] | [OK] |
U2 (CN3063) | VBAT | Battery Voltage (Assuming max 4.2V for Li-ion) | No decoupling capacitors explicitly mentioned. | [WARNING] No decoupling capacitors are attached. |
analogRead
function:Cpp
void setup() { Serial.begin(9600); } void loop() { int sensorValue = analogRead(P26_A0_D0); // Replace P26_A0_D0 with the actual ADC pin if different float voltage = sensorValue * (3.3 / 4095.0); // Convert to voltage assuming 12-bit ADC resolution Serial.println(voltage); delay(1000); // Delay for a second }
Table
Designator | Component Type | Description | Max Circuit Voltage | Max Operation Voltage (Datasheet) |
---|---|---|---|---|
U6 | Microcontroller | XIAO RP2040 | 3.3V | 3.3V |
U4 | LoRaWAN Module | LoRa-E5 | 3.3V | 3.3V |
C1, C11... | Ceramic Capacitors | Various Capacitances | 3.3V | 25V (Typical) |
R1, R2... | Resistors | Various Resistances | 3.3V | 50V (Typical) |
D1, D3, D4 | Schottky Barrier Rectifiers | SS34 | ~5.5V | 40V |
D2, D5 | LEDs | Red/Green Indicators | 3.3V / 5V | 2V (Forward Voltage) |
L1, L2 | Inductors | 10µH, 2.2µH | 5.5V | Current rating dependent |
SW1, SW2 | Switches | Mechanical Switches | 3.3V | >30VDC (Common) |
U1, U2, U3 | Voltage Regulators | Various Models | Up to 5.5V | 6V (Typical for SOT-23-5) |
J1, J2, J3, J6 | Connectors | Battery, Antenna, etc. | Varied | >50V (General for connectors) |
IC2 | RS485 Transceiver | SP3481CN | 3.3-5V | 6V |
- | PowerNet/Net Labels (e.g., +3V3, VSOLAR) | Power supplies and nets | - | - |
Table
Designator | Component | Net Voltage | Max Voltage (Typical) | Operating Temp Range |
---|---|---|---|---|
U6 | XIAO RP2040 Microcontroller | 3.3V | 3.3V | -40°C to 85°C |
U4 | LoRa-E5 Module | 3.3V | 3.3V | -40°C to 85°C |
C1...C12 | Ceramic Capacitors | 3.3V | 25V | -55°C to 125°C |
R1...R18 | SMD Resistors | 3.3V | 50V | -55°C to 155°C |
D1, D3, D4 | Schottky Diodes | 5.5V | 40V | -65°C to 150°C |
D2, D5 | LEDs | 2.0V | 5V | -40°C to 85°C |
L1, L2 | Inductors | 5.5V | Current dependent | -40°C to 125°C |
SW1, SW2 | Mechanical Switches | 3.3V | 30V | -40°C to 85°C |
U1, U2, U3 | Voltage Regulators | Up to 5.5V | 6V | -40°C to 85°C |
J1...J6 | Connectors | Varied | 50V+ | -40°C to 85°C (general) |
IC2 | RS485 Transceiver | 3.3-5V | 6V | -40°C to 85°C |
- | PowerNet/Net Labels | - | - | - |
34bbb0fcd51d4c05735d504ba5fe472b
, indicating it might be part of a boost circuit.b0dce874e16c83e89b6310082ea445ac
alongside R4.34bbb0fcd51d4c05735d504ba5fe472b
, indicating its involvement in the boost converter section, likely as an output.P26_A0_D0
(U6:1).1
rtandon
copilot
Pins: 3 pins
joey591442