Project files
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Machine-translated by Robotheca from the original in Chinese (opens in a new tab). License: MIT (opens in a new tab).
Prototype:
OTTO's PCB thickness must be 1 mm
Procurement:
| Comment | Description | Designator | Footprint | Quantity |
|---|---|---|---|---|
| RAINSUN (opens in a new tab) | Antenna | A1 | ANT-Rainsun-AN5120 | 1 |
| 0.1uF | Capacitor | C1, C2, C3, C5, C8, C12, C13 | C0603 | 7 |
| 10uF | Capacitor | C4, C6, C14 | C0603 | 3 |
| 1uF | Capacitor | C7 | C0603 | 1 |
| 4.7UF | Capacitor | C9, C11 | C0603 | 2 |
| 104/0.1uf/100nf | Capacitor | C10 | C0603 | 1 |
| red | LED | D1 | LED0603 | 1 |
| GP26-2520WV-3P (opens in a new tab) | 2.54mm pitch 3-pin header | H1, H2, H3, H4 | PIN2.54_1*3 | 4 |
| AO3400A (opens in a new tab) | N-channel MOSFET | Q1, Q2 | SOT23-3 | 2 |
| 0R | Resistor | R2 | R0603 | 1 |
| 200R | Resistor | R3 | R0603 | 1 |
| 12K | Resistor | R4, R5 | R0603 | 2 |
| 10K | Resistor | R6, R14, R15, R16, R17, R18, R19, R20 | R0603 | 8 |
| 5.1K | Resistor | R7, R8 | R0603 | 2 |
| 100K | Resistor | R9, R10 | R0603 | 2 |
| 2K | Resistor | R11 | R0603 | 1 |
| 1K | Resistor | R12 | R0603 | 1 |
| 10R | Resistor | R13 | R0603 | 1 |
| LCD-240x240 (opens in a new tab) | Display | S1 | LCD-240x240-FlUSH-154 | 1 |
| TF (opens in a new tab) | 8-pin self-resetting socket | TF1 | TF-SOCKET | 1 |
| CH340C (opens in a new tab) | USB-to-serial converter | U1 | SOP-16_L10.0-W3.9-P1.27-LS6.0-BL | 1 |
| XC6210B332MR 3.3 (opens in a new tab) | LDO | U2 | SOT23-5 | 1 | | MCP73831 (opens in a new tab) | Linear charging management controller | U3 | SOT23-5 | 1 | | ESP32_SIP (opens in a new tab) | | U4 | QFN-48_7X7 | 1 | | DET402 (opens in a new tab) | SMD buzzer | U6 | DET402 | 1 | | Type-C (opens in a new tab) | | USB1 | Type-C-TOP | 1 | | S8050 (opens in a new tab) | Surface mount NPN transistor, package SOT-23 | VT1, VT2 | SOT23-3 | 2 |
Files by @txp666, at commit b6ee68b, read from GitHub in your browser. Hardware license: MIT; software license: MIT. Robotheca doesn't review code: read it before running it.