The TESLA Mini Tesla Coil Kit (9V–12V) is a DIY prototyping kit designed for learning and experimentation. It demonstrates wireless power transfer, high-frequency resonance, and electrical principles, making it ideal for electronics enthusiasts, students, and hobbyists interested in hands-on science projects.
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The RA-02 module by AI Thinker is a long-range 433 MHz wireless transceiver using the SX1278 chip. Featuring –148 dBm sensitivity, +20 dBm output, and up to 15 KM communication range, it offers a compact, shielded design ideal for remote RF applications.
The HM-10 (AT-09) is a Bluetooth 4.0 UART transceiver module supporting BLE communication. Compact and energy-efficient, it’s ideal for industrial automation, remote control, POS systems, Bluetooth peripherals, and embedded projects requiring wireless serial connectivity with low power consumption.
The CJMCU MCP4725 is a 12-bit I2C DAC breakout board supporting standard to high-speed interfaces. Operating on 2.7–5.5 V with onboard EEPROM, it generates analog signals from digital sources, ideal for audio, instrumentation, and microcontroller-based projects.