ECSE_371_2024
MVaugn
Larry Lab 2024
Components (16)
| Reference | Value | Description |
|---|---|---|
| Q1 | 2N4401 | NPN transistor, emitter/base/collector |
| Q2 | TIP102 | NPN Darlington transistor, base/collector/emitter |
| Q3 | BT139 | 16A RMS, 600V Off-State Voltage, 4Q Triac, TO-220 |
| U1 | ATtiny102-SSNR | 20MHz, 2kB Flash, 128B SRAM, 128B EEPROM, debugWIRE, DIP-8 |
| U2 | 74LS47 | BCD to 7-segment Driver, Open Collector, 30V outputs |
| C1 | 0.47uF | Unpolarized capacitor |
| C2 | 220uF | Polarized capacitor, US symbol |
| D1 | 5.6V | Zener diode |
| D2 | 1N4007 | Diode |
| P1 | Line In | 3-pin general wall plug, no Earth wire (110VAC, 220VAC) |
| R1,R3 | 680K | Resistor |
| R2,R4 | 470R | Resistor |
| R5 | 4K7 | Resistor |
| R6 | Heater | Resistive heater |
| R7-R13 | 680R | Resistor |
| SW1 | SW_Push | Push button switch, generic, two pins |