KiCad
adarwoo
All KiCad projects
Components (16)
| Reference | Value | Description |
|---|---|---|
| Q1 | BC846 | 0.1A Ic, 65V Vce, NPN Transistor, SOT-23 |
| U1 | ATtiny3224-SS | 20MHz, 32kB Flash, 3kB SRAM, 256B EEPROM, SOIC-14 |
| U2 | LT1785AxS8 | RS-485, RS-422 Half duplex 250kbps transceiver, fail-safe receiver, SOIC-8 |
| U3 | PCA9555D | IO expander 16 GPIO, I2C 400kHz, Interrupt, 2.3 - 5.5V, SOIC-24 |
| U4 | ATtiny1626-S | 20MHz, 32kB Flash, 3kB SRAM, 256B EEPROM, SOIC-20 |
| U5 | MIC5205-5.0YM5 | 150mA low dropout linear regulator, fixed 5.0V output, SOT-23-5 |
| BZ1 | Buzzer | Buzzer, polarized |
| C1,C2,C4 | 1u | Unpolarized capacitor |
| C3 | 470p | Unpolarized capacitor |
| D1 | LED | Light emitting diode |
| J1 | DE9_Receptacle_MountingHoles | 9-pin female receptacle socket D-SUB connector, Mounting Hole |
| J2 | DA15_Receptacle_MountingHoles | 15-pin female receptacle socket D-SUB connector (low-density/2 columns), Mounting Hole |
| R1,R2 | 1k | Resistor |
| R3 | 470 | Resistor |
| SW2 | SW_Rotary_1x4_MP | Rotary switch 1x4, SP4T with mount point |
| SW3 | SW_Rotary_1x3_MP | Rotary switch 1x3, SP3T with mount point |