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Description: A radio made of ready-made FM radio module can be made by welding the circuits of power amplifier and level indicator. The power amplifier circuit is composed of imported device PAM8406, and the maximum output power is 3W. Two-channel level indication is composed of KA2284.
Power supply voltage: 5.0V-5.5V, current 500MA-2A. Power amplifier+level indicator PCB board size: 9.5CM*2.9CM Shell size: 11.9CM*6.6CM*6.6CM * 6.6cm. Horn: 4u03a9 5w MAX power of power amplifier: 3W Sound channel: two channels FM receiving frequency adjustment range: 87.0MHz-108.0MHz Weight of complete DIY parts: 280g
Precautions: Do not touch the back components of the module when working, so as not to affect the normal work of the module or cause short circuit to burn the module. This module is a radio sensitive device, and the interference from the power supply or nearby may affect the normal work of the module.
Package Include: 1 x PCB board 1 x PAM8406 1 x 1N4007 1 x A03 self-locking switch 1 x A03 hat 11 x 5MM colorful LED 2 x KA2284 1 x 1000UF 25V Capacitor 6 x 4.7UF electrolytic capacitor 6 x 105 monolithic capacitor 2 x 100 ohm resistor 2 x 1K resistor 9 x 10K resistor 1 x Radio module 2 x Horn 1 x DC022 building 1 x 25CM twisted pair 1 x Antenna 1 x M2*16 Screw 1 x M2 nut 1 x Acrylic kit 4 x Foot pad 28 x M3*8 Screw 4 x M3*10 Screw 35 x M3 nut 1 x USB to DC005 line
The designated connection point for the radio/usb module does not have enough high voltage (printed on the board 4,7V, but measured only 4,1V) and because of too low voltage the USB is not working. Because of that, I disconnect module from that power supply port and made another connection which will provide 5V: negative to the GND and +5V positive to the anode side of the 1N4007 diode. See the pictures! After that modification the USB port starts to work and everything is OK. This DIY kit is very nice with good sound and a lot of functions. There are no instructions, but you do not need them, because everything is written on the pcb board. I hope this information will help you to assemble full working kit without any troubles.
The designated connection point for the radio/usb module does not have enough high voltage (printed on the board 4.7V, but measured only 4.1V) and because of too low voltage the USB is not working. Because of that, I disconnect module from that power supply port and made another connection which will provide 5V: negative to the GND and 5V positive to the anode side of the 1N4007 diode. See the pictures! After that modification the USB port starts to work and everything is OK. This DIY kit is very nice with good sound and a lot of functions. There are no instructions, but you do not need them, because everything is written on the pcb board. I hope this information will help you to assemble full working kit without any troubles.
The designated connection point for the radio/usb module does not have enough high voltage (printed on the board 4.7V, but measured only 4.1V) and because of too low voltage the USB is not working. Because of that, I disconnect module from that power supply port and made another connection which will provide 5V: negative to the GND and 5V positive to the anode side of the 1N4007 diode. See the pictures! After that modification the USB port starts to work and everything is OK. This DIY kit is very nice with good sound and a lot of functions. There are no instructions, but you do not need them, because everything is written on the pcb board. I hope this information will help you to assemble full working kit without any troubles.
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Q:
Hello, how can I get the assembly documentation?
Bonjour, comment se procurer la documentation de montage ?