esp32-c3-iot-sensor-board
Ans1S
Open-source ESP32-C3 platform for ultra-low-power environmental sensor networks powered by recycled LiPo cells. Includes KiCad PCB, PlatformIO firmware (ESP-NOW + ThingSpeak), BME280/BME680 support, deep-sleep optimizations and measured >12 months runtime on typical cells.
Components (32)
| Reference | Value | Description |
|---|---|---|
| Q1,Q3,Q5 | SI2301CDS-T1-GE3 | 20V 3.1A 112mΩ@4.5V,2.8A 1V@250uA 1PCSPChannel SOT-23 MOSFETs ROHS |
| Q4 | 2N7002 | 60V 115mA 200mW 7.5Ω@10V,500mA 2.5V@250μA N Channel SOT-23(SOT-23-3) MOSFETs ROHS |
| U1 | USB-C-16P-SMD | 1 12 Female Type-C SMD USB Connectors ROHS |
| U2 | ESP32-C3 | RF Module, ESP32 SoC, RISC-V, WiFi 802.11b/n/g, Bluetooth LE 5, QFN32 |
| U3 | TP4056-42-ESOP8 | -40℃~+85℃ 1 1A 2uA 4.2V 4V~8V Charging IC Lithium Battery Support ESOP-8 Battery Management ROHS |
| U5 |