Hello everyone, we have made some adjustments to the hardware circuit of DP-666, and installed an RTC clock chip circuit. After upgrading the latest firmware of Megatron (TEF6686_ESP32_2.0.15mod17-20250405), you can set the date and time to achieve power-off timekeeping.
Radios with RTC circuits have been shipped since April 1, 2025 (all four colors have RTC installed). If you order before then, you may not be able to get this function. Sorry. You can try to install it yourself. The chip model is: RX8010SJ. The circuit diagram is as follows. BATT is directly connected to the positive pole of the battery.
In addition, we have newly added a red option for DP-666, welcome to order.
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