vario
danheeks
paragliding vario with arduino nano, piezo sounder, bmp180 altimeter, 4x Nimh batterys
Components (16)
| Reference | Value | Description |
|---|---|---|
| U1 | ATtiny88-A | 12MHz, 8kB Flash, 512B SRAM, 64B EEPROM, TQFP-32 |
| U3 | BMP280 | |
| U5,U6 | LMR51430 | |
| C2,C3,C6,C10,C15 | 0.1uF | |
| C8,C13 | 10nF | |
| C9,C14 | 2.2uF 50V X5R | |
| C11,C12,C16,C17 | 22uF 16V X5R | |
| D2 | LED | Light emitting diode |
| J1 | Programming Port | |
| L1 | 6.8uH | |
| L2 | 5.6uH | |
| R1,R2,R4-R7 | 10k | |
| R8,R10 | 100k | |
| R9 | 13.7k | |
| R11 | 22.1k | |
| SW1 | SW_DPST_x2 | Single Pole Single Throw (SPST) switch, separate symbol |