张三叔

【RA】Renesas - Intelligent flower watering/control system

 
Overview
It adopts Renesas series R2AE1 series microcontroller, with CH340N chip, powered by 3.7V lithium battery, with power management, power display, OLED display, and the circuit is equipped with RGB lights, buzzer, and relay (can control high-power electrical appliances) , water pump driver, ESP-01S module.
Onboard tools.jpg
This product has many modules on board, so it is also a good choice for learning as a development board.
Update log: 2022-6-25 The release project has currently verified that the onboard RGB lights, buzzers, and relays can work normally, and that the CH340N serial port can work normally. The lithium battery power supply and related programming will be verified in the future for subsequent development.
参考设计图片
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Update:2025-07-03 18:01:00

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