v1.0 - MM-Radio firmware

麦门收音机固件 v1.0

实现功能:

• 长按PWR开关机
• 点击PTT切换频率
• 两个4位数码管显示当前工作频率
• 内部预置439.250MHz、RS-40S、TEVEL系列、ISS守听频率

MM Radio firmware v1.0

Functions:

• Long press the PWR button to power the radio on or off.
• Press the PTT button to change the RX frequency.
• Two LED segment displays show the RX frequency.
• Preset RX frequencies include 439.250MHz, satellites RS-40S, TEVEL series, and ARISS.