Automatic electronic road sign circuit
Source: InternetPublisher:newrudeman Keywords: power display power supply Updated: 2021/07/13
The circuit of the automatic electronic road sign, a good companion of the road, is shown in the figure. It mainly consists of a voice control circuit, an oscillation circuit and a drive display circuit.
![Automatic electronic road sign circuit](http://www.eeworld.com.cn/circuit/upload/dbc0af0c14fcd8c3d7474264a6121988/42c625f006c8c34768f8d1c31d6a9d70.jpg)
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