This CW Morse code decoder DIY kit is designed for students and electronics enthusiasts to learn, understand, and practice Morse code. It can recognize dots, dashes, and intervals in Morse code and convert them into corresponding characters or numbers. The kit supports CW o signal input and displays the received Morse code on the LCD screen. It decodes received Morse code o into characters and displays the receiving bit rate. Morse code was widely used in early wireless communication and remains a valuable way to explore telecommunications technology, serving both as a practical skill and a hobby. **Kit Name:** CW Morse Code Decoder **Power Supply:** DC 9V **Working Voltage:** 9V **Working Current:** 33mA **Functions:** - CW o signal input - Display of received Morse code - Decoding of received Morse code o into characters - Display of receiving bit rate - External CW button for practicing Morse code transmission **Operating Instructions:** 1. Connect the device to a DC 9V power supply. 2. Connect the CW o input terminal to a Morse code o source. The device will decode the o and display the corresponding characters on the LCD screen. 3. The CW o output terminal allows the received Morse code o to be output to speakers or headphones. 4. Adjust the receiving threshold potentiometer so that the LED flashing frequency matches the ble tone. Improper adjustment may prevent successful decoding. 5. Use the self-locking switch to view entered Morse code; the display turns off when the switch is released. 6. Use the touch switch to view the bit rate of the received Morse code. This is a DIY kit that requires self-assembly. **Color:** As shown in picture **Material:** Plastic **Package Contents:** 1 x DIY CW Trainer Decoder Kit Note: The package includes only the items listed above. Other accessories or products are not included. Light reflections and differences in display settings may cause slight variations between the color of the item in the image and the actual product. Measurement error allowance: +/- 1–3 cm.