Partlist
Resistors are 1/4W 5% unless otherwise noted.
| Part | Value | Notes |
|---|---|---|
| C1 | 100n | |
| C2 | 100u 25V | 2.5mm spacing, 6.3mm max diameter. Suggested: Panasonic EEUFR1E101 |
| C3 | 470n 275VAC X2 | MUST BE CLASS X2, 22.5mm spacing. Recommended: Panasonic ECQUAAF474MA |
| C4 | 220u 50V | 3.5mm spacing, 10mm max diameter. Suggested: Panasonic EEUFR1H221 |
| D1-D4 | 1N4004 | 1N400[4,5,6,7] are suitable |
| D5,D8 | 1N4148 | |
| D6 | 5.1V 500mW | |
| D7 | 24V 1.3W | |
| F1 | Polyfuse 50mA | Ideally 220V rated, capable of withstanding a lightning surge. Suggested: Bourns CMF-RL25U |
| IC1 | PIC10F320 | DIP-8. can be replaced by PIC10F322 if necessary |
| IC2 | DS1820 | TO92-3. Firmware supports DS18B20 and DS18S20 |
| K1 | 250mW 24VDC power relay rated 10A/250VAC | specific part used: Multicomp MCHRM3H-DC24V-A |
| LED1 | 3mm LED | |
| R1,R6 | 2.2M | High-voltage non-flammable type. Suggested: Yageo HHV-25JT-52-2M2 |
| R2 | 100 1/2W | High-voltage non-flammable type. Suggested: Panasonic ERG12SJ101 |
| R3 | 4.7k | |
| R4-R5 | 10k | |
| R7 | 3.9k | |
| R8 | 2.2k | adjust to LED characteristics |
| R9 | 22k | adjust to LED characteristics |
| T1-T2 | BC547 | |
| VR1 | 14D471K |