The AK-272 is an 87.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit. It has a built-in 4-Bit Red Digital Tube display screen that can clearly display the receiving frequency.
Features
- Automatically search for radio stations
- Built-in volume adjustment
- Automatic memory function after power off
- Support 87Hz-108MHz receiver frequency
- Built-in 5W power amplifier
- Power saving mode with backlight off for 5 seconds
Parameters
- Product Name: FM Radio Receiver DIY Kit
- Working Voltage: 4.5V~5.5V DC
- Output impedance:8ohm
- Output power:5W
- Output channel: Mono
- Receiver Frequency:87.0MHz~108.0MHz
- Frequency accuracy:0.1MHz
- Equivalent noise: >=30dB
- Working Temperature:-40℃~85℃
- Working Humidity:5%~95%RH
- Size(Installed):83*69*53mm
Component List
| NO. | Component Name | PCB Marker | Parameter | QTY |
| 1 | Metal Film Resistor | R7 | 4.7ohm | 1 |
| 2 | Metal Film Resistor | R1,R2,R4,R5,R8~R14 | 10Kohm | 11 |
| 3 | Metal Film Resistor | R3 | 220Kohm | 1 |
| 4 | Crystal Oscillator | Y1 | 13.56MHz | 1 |
| 5 | Ceramic Capacitor | C1,C2 | 22pF | 2 |
| 6 | TEA5767 Audio Receiver | TEA5767 | 1 | |
| 7 | IC Socket | LM386 | DIP-8 | 1 |
| 8 | IC Socket | U1 | DIP-40 | 1 |
| 9 | Potentiometer | R6 | 50Kohm | 1 |
| 10 | Monolithic Capacitor | C4,C5,C6 | 0.1uF 104 | 3 |
| 11 | Electrolytic Capacitor | C3,C9,C11 | 100uF 50V | 3 |
| 12 | Electrolytic Capacitor | C7,C8 | 10uF 25V | 2 |
| 13 | S9012 Transistor | Q1~Q4 | TO-92 | 4 |
| 14 | DC-005 Power Socket | 5V | 1 | |
| 15 | 2*5*7 LED | D13 | Blue | 1 |
| 16 | 0.56" 4Bit Common Anode Digital Screen | 056SMG_4 | Red | 1 |
| 17 | Self-locking Button | S4 | 8*8mm | 1 |
| 18 | Self-locking Button Cap | S4 | Red | 1 |
| 19 | Black Button | S1, S2 | 6*6*20mm | 2 |
| 20 | LM386 | LM386 | DIP-8 | 1 |
| 21 | STC89C52 | U1 | DIP-40 | 1 |
| 22 | Antenna | X1 | 80mm-255mm | 1 |
| 23 | Cable | 10cm | 2 | |
| 24 | Speaker | SP | 1 | |
| 25 | Acrylic Shell | 6 | ||
| 26 | Copper Pillar | M3*10mm | 4 | |
| 27 | Screw | M3*8mm | 20 | |
| 28 | Nut | M3 | 26 | |
| 29 | PCB | 77*61*1.6mm | 1 |
Schematic Diagram
Application
- Training welding skills
- Student school
- DIY production
- Project Design
- Electronic competition
- Gift giving
- Crafts collection
- Home decoration
- Souvenir collection
- Graduation design
- Holiday gifts
Notes
- The frequency can be adjusted continuously by keep press the button.
- It is a wireless module. So do not use it in an environment with signal interference.
- The display can only show for 5 seconds and then enter power-saving mode.
Resources
5V Power Supply not included
WARNING
