fish001

Morse code trainer

Overview

Original author project address: gitee

Original author video address: bilibili

This project did not change the source project code or pins. It only integrated them and added batteries, charging and discharging, etc.

Thanks to the author for open source.

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-05-08 12:41:49

Types and classification of wireless modules
[color=#333333] Wireless modules are widely used in the field of Internet of Things. Wireless communication and remote control systems both require the use of wireless module technology. Wireless modu
C2000 Problem Summary Ver 1.0
C28x Based DeviceQ: What is the difference between the TMS320F28xx and the TMS320C28xx MCUs? A: The "F" represents flash, while the "C" represents ROM. The Flash devices are reprogrammable and are ava
Easy Power Trial Report 4: Summary
I am really sorry for posting so late... I summarized it quite late, and all the experts have already said almost the same thing, and their summary is much better than that of an amateur like me. It i
A BUG found in EE_FPGA V1.0
There are some problems with the connection method of AM29LV160DBBYTE has been grounded by me, so the data width is 8, and only D0-D7 needs to be brought out. In EE_FPGA V1.0, all D0-D15 are brought o
Help, OV7725 camera data LCD display has horizontal stripes
The current situation is that the camera output data passes through SDRAM and then is displayed on the LCD. Now there are horizontal stripes on the screen that are rolling in a loop. Because this hori
Display failure: When the picture is automatically played under VISTA, it tilts to the right. I don’t know why?
I would like to ask for help with a display failure: Under the VISTA platform, when using the built-in picture player of Windows, the image is biased to the right during automatic playback. This pheno

Datasheet More

Circuits More