1. ESP32-S3 main control, 1.9-inch IPS HD color screen
2. Use SI4732 DSP chip, support broadcasting full band, LSB USB AM FM mode.
3. Built-in 800 mah battery, battery life of about 10 hours or more.
4. Equipped with 70cm portable rod antenna can be used for receiving.
5. Shell 3D printed PETG.
Main control: ESP-32-S3
Receiving frequency band: HF SW MW VHF
Screen: 1.9inch, 170*320
Charging interface: TYPE-C (can not use fast charge)
Audio interface: 3.5mm stereo
Battery capacity: 800ma
Body size: 7.3*3.2*1.2
Body weight: 54g.
1. Double-click the button on the home screen to enter the menu
2. On the menu page, rotate the knob to switch the menu and mode, etc. Click again to "Confirm".
3. On the home screen, rotate the knob to change the frequency band, and click again to confirm.
4. Because the case is very small,so the volume output is low after the earphone is inserted, which is a normal phenomenon, and the external audio can be connected to reach a larger volume.
1. Please use Windows 10 system to run [Flash Download Tool.zip]
2. Select the [ChipType:ESP32-S3]->[WorkMode:Devoelop]->[LoadModel:USB]
3. Select first bin file "xxxx.ino.bootloader.bin" @ "0x0"
Select second bin file "xxxx.ino.partions.bin" @ "0x8000"
Select third bin file "xxxx.ino.bin" @ "0x10000"
4. Just connect the USB Typec, keep the MINI RADIO power on, and wait for ~10 seconds for the computer to find it.
5. Set "COM: XXXXX",and click [START]
6. After the upgrade is completed, you can enjoy it
Tip:If the burning fails and the system cannot be started, don't worry, the ESP32 system will not be destroyed, you just need to re-burn it.