State-of-the-Art Mixing Console
84 days
84 days
84 days
84 days
Reviews
Audio Electronics | Copilot Preset
Properties
R8
Audio
U2:VOUT → J1:5V
J1
OLED at top center, buttons "+" and "−" positioned 15 mm below the OLED
100 × 60 × 50 mm
10×6×5 cm
Left 40 mm reserved for power subsystem; right 40 mm reserved for signal and UI; ensure tube channel 100×20 mm on rightmost edge
C3 (U3 VIN bulk)=10μF near U3 VIN (bulk), C4 (U3 OUT)=1μF at U3 OUT, C5 (U4 VDD)=100nF close to U4 VDD, C6 (U4 VDDA)=100nF close to U4 VDDA, all X7R 0402. Role: Decoupling, placement: as close as possible to respective IC pins
5 min up to 300 min
Diagram
Brown-Out Detector settings; VBAT voltage-divider design for ADC measurement; I2C pull-up resistor configurations; Decoupling capacitor placement and values
U4:PA9 → R8 → J1
U4:PA9
Threshold 2.7V, Recovery 2.9V, 10 ms debounce; STM32 BOD + software filtered
No ERC issues detected for decoupling_caps, pull_up_pull_down, resistor_power_rating, and capacitor_voltage_rating.
100 × 60 mm
PWM output from MCU (U4:PA9) passes through series resistor (R8) before reaching the servo connector (J1) for signal integrity and protection.
1–10 min (default 2 min)
0.5–1 A
R3=100kΩ, R4=33kΩ, Ratio 0.248, Voltage Range 0–4.2V Li-ion mapped to 0–1V ADC, Pin=U4:PA1
R1 (SCL)=4.7kΩ, R2 (SDA)=4.7kΩ, 0402 package, Nets: SCL=U4:PA9 & OLED SCL; SDA=U4:PA7 & OLED SDA
100×20 mm zone at the right lateral edge of the PCB
RoHS, FCC, CE
12V
-40 ºC to 85ºC
LED, Potentiometer
Bluetooth 5.0, 3.5mm Jack, Screw Terminals
Class D
Line-level from standard audio source
2 (stereo)
THD of less than 0.1% at full power
20Hz to 20kHz
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $4.89–$7.90 |
Digi-Key | $6.87–$11.00 |
LCSC | $12.11–$12.18 |
Mouser | $15.31 |
TME | $11.71 |
Verical | $1.88–$5.35 |
Controls
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