HardwareDataLogger
RobertGawron
Data logger shield based on STM32+ESP32. Has: LCD, keyboard, WIFi, UART and SD card for data storage. Input is as pulse counter and UART communication.
Components (20)
| Reference | Value | Description |
|---|---|---|
| Q1-Q4 | BC846 | 0.1A Ic, 65V Vce, NPN Transistor, SOT-23 |
| U1,U3 | LD1117S50TR_SOT223 | 800mA Fixed Low Drop Positive Voltage Regulator, Fixed Output 5.0V, SOT-223 |
| U2 | CH340X | USB serial converter, 5V-tolerant IO, UART, MSOP-10 |
| U4 | ESP32-WROOM-32E | RF Module, ESP32-D0WD-V3 SoC, without PSRAM, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD |
| U5 | CH340E | USB serial converter, UART, MSOP-10 |
| C1,C12 | 100u | Polarized capacitor |
| C2-C4,C10,C11 | 330n | |
| C5,C6,C18,C20 | 100n | |
| C7-C9 | 10u | |
| C13 | 4u7 |