125B
From the vendor
What’s included?
• Analog audio PCB
• Digital / control PCB
• Pre-programmed microcontroller module
⚠️ No enclosure, hardware, or other components are included.
Faceplate sold separately
Documentation
Schematic
The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 70 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 30 | ||||
| R100 | 1M | 1M | Resistor, 1/4W | |
| R101 | 1M | 1M | Resistor, 1/4W | |
| R102 | 10K | 10k | Resistor, 1/4W | |
| R103 | 1K | 1k | Resistor, 1/4W | |
| R104 | 1K | 1k | Resistor, 1/4W | |
| R105 | 10K | 10k | Resistor, 1/4W | |
| R106 | 1K | 1k | Resistor, 1/4W | |
| R107 | 100K | 100k | Resistor, 1/4W | |
| R108 | 22K | 22k | Resistor, 1/4W | |
| R109 | 10R | 10 | Resistor, 1/4W | |
| R200 | 220R | 220 | Resistor, 1/4W | |
| R201 | 220R | 220 | Resistor, 1/4W | |
| R202 | 220R | 220 | Resistor, 1/4W | |
| R203 | 220R | 220 | Resistor, 1/4W | |
| R204 | 220R | 220 | Resistor, 1/4W | |
| R205 | 220R | 220 | Resistor, 1/4W | |
| R206 | 220R | 220 | Resistor, 1/4W | |
| R207 | 220R | 220 | Resistor, 1/4W | |
| R208 | 220R | 220 | Resistor, 1/4W | |
| R209 | 220R | 220 | Resistor, 1/4W | |
| R210 | 220R | 220 | Resistor, 1/4W | |
| R211 | 220R | 220 | Resistor, 1/4W | |
| R212 | 220R | 220 | Resistor, 1/4W | |
| R213 | 220R | 220 | Resistor, 1/4W | |
| R214 | 220R | 220 | Resistor, 1/4W | |
| R215 | 220R | 220 | Resistor, 1/4W | |
| R216 | 220R | 220 | Resistor, 1/4W | |
| R217 | 220R | 220 | Resistor, 1/4W | |
| R218 | 220R | 220 | Resistor, 1/4W | |
| R219 | 220R | 220 | Resistor, 1/4W | |
| Capacitors 13 | ||||
| C100 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C101 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C102 | 10n | 10n | Film capacitor, 7.2 x 2.5mm | |
| C103 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C104 | 100p | 100p | Ceramic capacitor | |
| C105 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C106 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C107 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C108 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C109 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C200 | 10u | 10u | Electrolytic capacitor, 5mm | |
| C201 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| C202 | 100n | 100n | Film capacitor, 7.2 x 2.5mm | |
| Diodes 3 | ||||
| D100 | 1N5817 | 1N5817 | Schottky diode, DO-41 | |
| D101 | 1N4148 | 1N4148 | Signal diode, DO-35 | |
| D102 | 1N5226B | 1N5226B | Zener diode 3.3V, 1/2W | |
| Transistors 1 | ||||
| Q100 | 2N3904 | 2N3904 | BJT transistor, NPN TO-92 | |
| ICs 6 | ||||
| IC100 | TL072 | TL072 | Dual op-amp, DIP8 | |
| IC101 | L78L05 | L78L05 | Voltage regulator, +5V | |
| IC200 | SN74HC595 | SN74HC595 | 8-bit Shift Register IC | |
| IC201 | SN74HC595 | SN74HC595 | 8-bit Shift Register IC | |
| IC202 | SN74HC595 | SN74HC595 | 8-bit Shift Register IC | |
| ESP200 | ESP32C3 | ESP32C3 | Pre-programmed microcontroller | Included with PCB |
| Trimmers 2 | ||||
| FILTER | 10K | 10k | Trimmer potentiometer, 3362P type | |
| GAIN | 100K | 100k | Trimmer potentiometer, 3362P type | |
| Switches 1 | ||||
| MODE | SS23E06G05 | SS23E06G05 | 2P3T Slide Switch | |
| LEDs 13 | ||||
| DS200 | FJ5161A | FJ5161A | 7-segment LED display (0.5”, CC) | Common-Cathode |
| LED200 | Red | RED | 3mm Red LED, Diffused | +50 cents indicator |
| LED201 | Red | RED | 3mm Red LED, Diffused | +40 cents indicator |
| LED202 | Orange | ORANGE | 3mm Orange LED, Diffused | +30 cents indicator |
| LED203 | Orange | ORANGE | 3mm Orange LED, Diffused | +20 cents indicator |
| LED204 | Yellow | YELLOW | 3mm Yellow LED, Diffused | +10 cents indicator |
| LED205 | Green | GREEN | 3mm Green LED, Diffused | In tune indicator |
| LED206 | Yellow | YELLOW | 3mm Yellow LED, Diffused | -10 cents indicator |
| LED207 | Orange | ORANGE | 3mm Orange LED, Diffused | -20 cents indicator |
| LED208 | Orange | ORANGE | 3mm Orange LED, Diffused | -30 cents indicator |
| LED209 | Red | RED | 3mm Red LED, Diffused | -40 cents indicator |
| LED210 | Red | RED | 3mm Red LED, Diffused | -50 cents indicator |
| LED_SHARP | Red | RED | 3mm Red LED, Diffused | Accidental indicator |
| Other 1 | ||||
| K100 | G6K-2P-Y-DC5 | G6K-2P-Y-DC5 | DPDT Non-Latching Relay | |