Combining the dual-core processing capabilities of the ESP32 with the reliability of GSM connectivity, the ESP32 GPS tracker with SIM800L is the perfect solution for real-time position tracking.

ESP32 → SD 卡模組 GPIO32 → CS GPIO25 → SCK GPIO27 → MOSI GPIO26 → MISO 5V → VCC GND → GND /audio/ ├── MAHJONG_TON_1.wav (一筒) ├── MAHJONG_TON_2.wav (二筒) ├── ... ├── MAHJONG_SUO_1.wav (一索 ...

Quectel Wireless Solutions has announced the launch of its latest high-performance MCU Zigbee and BLE module, the KCMA32S. This innovative module is designed to meet the growing demands of IoT ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Without system amplification, you don't get sound! Indeed, a stereo amplifier is the beating ...