modular-keypads
TommyPersson
Components (19)
| Reference | Value | Description |
|---|---|---|
| U1 | ESP32-S3-WROOM-1 | RF Module, ESP32-S3 SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 3.3V, onboard antenna, SMD |
| U2 | 74AHC541 | 8-bit Buffer/Line Driver 3-state outputs |
| U3 | MCP23S17_SO | 16-bit I/O expander, SPI, interrupts, w pull-ups, SOIC-28 |
| U4 | 74HC165 | Shift Register, 8-bit, Parallel Load |
| U5 | LD1117-3.3H | 800mA Fixed Low Drop Positive Voltage Regulator, Fixed Output 3.3V, SOT-223 |
| U6 | AP2151W | Current limited power switch, single channel, SOT-23-5 |
| U7 |