Here is a toy phone. Its circuit is very simple. It uses fewer parts and can talk within a distance of two or thirty meters. It is suitable for amateur amateur production. This article refers to the address: http:// Din Connector,Waterproof Cable Connector,Ip66 Wire Waterproof Connector,Waterproof Power Connector Shenzhen Hongyian Electronics Co., Ltd. , https://www.hongyiancon.com
February 17, 2024