darkroom-timer
frank20a
Components (36)
| Reference | Value | Description |
|---|---|---|
| Q1-Q4 | BSS138 | 50V Vds, 0.22A Id, N-Channel MOSFET, SOT-23 |
| Q5-Q7 | IRLB8721PBF | 62A Id, 30V Vds, 8.7 mOhm Rds, N-Channel HEXFET Power MOSFET, TO-220 |
| Q8 | MMBT3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, SOT-23 |
| U1 | MAX7221xWG | Serially Interfaced, 8-Digit LED Display Driver, SOIC-24W |
| U2 | L7805 | Positive 1.5A 35V Linear Regulator, Fixed Output 5V, TO-220/TO-263/TO-252 |
| U3,U6 | PC817 | DC Optocoupler, Vce 35V, CTR 50-300%, DIP-4 |
| U4,U5 | 74HC165D | Shift Register, 8-bit, Parallel Load |
| A1 | RP Pico 2 | Versatile and inexpensive microcontroller module powered by RP2040 dual-core Arm Cortex-M0+ processor up to 133 MHz, 264kB SRAM, 2MB QSPI flash; also supports Raspberry Pi Pico 2 |
| BZ1 | MLT-8540 | Buzzer, polarized |
| C1 | 0.33uF | Polarized capacitor, small symbol |
| C2-C6 | 0.1uF | Polarized capacitor, small symbol,Unpolarized capacitor |
| D1 | 1N4148W | 75V 0.15A Fast Switching Diode, SOD-123 |
| J1 | Micro_SD_Card_Det2 | Micro SD Card Socket with two card detection pins |
| J2 | Conn_01x06_Socket | Generic connector, single row, 01x06, script generated |
| J3,J5,J6 | Conn_01x02_Socket | Generic connector, single row, 01x02, script generated |
| J4 | EPD Connector | Generic connector, single row, 01x08, script generated |
| J7 | Conn_01x03_Socket | Generic connector, single row, 01x03, script generated |
| K1,K2 | Relay_DPDT | Relay DPDT, monostable, EN50005 |
| R1-R15,R17,R19,R22-R27,R30 | 10k | Resistor |
| R16,R18,R20 | 220R | Resistor |
| R21,R29 | 1k | Resistor |
| R28 | 470R | Resistor |
| RV1 | 20k | Potentiometer |
| SSD1 | 5461AS | 4 digit 7 segment high efficiency red LED, common cathode |
| SW1 | RotaryEncoder_Switch_MP | Rotary encoder, dual channel, incremental quadrate outputs, with switch and MP Pin |
| SW2,SW3 | SW_Rotary_1x3_MP | Rotary switch 1x3, SP3T with mount point |
| SW4,SW5 | Start Switch | Push button switch, generic, two pins |
| TP1 | +24V | test point |
| TP2 | +5V | test point |
| TP3 | +3V3 | test point |
| TP4 | PWM_R | test point |
| TP5 | PWM_G | test point |
| TP6 | PWM_B | test point |
| TP7 | DI_CLK | test point |
| TP8 | DI_PL | test point |
| TP9 | DI_SER | test point |