Feature

●2. Built-in digital automatic gain control () circuit. Supports global frequency band 76-108Mhz DIY manual welding Simple and easy to operate. Support Radio Memory Function
●3.Item Name: FM Stereo Radio Module DIY Kit Item mode: YFM-2 Operating Voltage: DC3V Working current: 19mA Output Impedance: 32 Ohm Working temperature: -40℃-85℃ Working Humidity: 0%-95%RH Size (installed): 57 x 32 x 20mm
●4.Applicable to: welding skills training Student School DIY production Project Design Electronic Competition Graduation Design Arts Collection Home Decor Souvenir Collection
●1. YFM-2 wireless circuit is very simple. The total number of components does not exceed 19. The number of components is low, but it contains SMD and DIP components, making it suitable for beginners and friends who want to practice soldering SMD components
●5. Installation tips: User must prepare welding tool first. Wait for a while to complete the installation. The package is a DIY kit. User installation must be completed. The soldering iron cannot touch the parts for a long time (1.0 seconds). Otherwise, the parts will be damaged. Be aware of the positive and negative components Please strictly prohibit short circuits. Preferred installation of complex components Make sure all components are in the right direction and right place


Description

Reikoeppy Installation and Instructions (Please install with patience! ):
Step 1: Install one SOP-16 5807PF in U1. There are dots in one corner of the IC and a rectangular pad that can place the pin 1 on the PC. These two marks are compatible and are used for each other. Specify IC mounting direction.
Step 2: Install one 30K Ohm Resistor on R1.
Step 3: Install one 0.1uH inductor in the L1.
Step 4: Install the two 1uH inductors on the L2, L3.
Step 5: Install one 32.768KHz crystal oscillator on Y1.
Step 6: Install one 24pF ceramic capacitor in C1.
Step 7: Install one piece of 0.01pF (103) ceramic capacitor in C2.
Step 8: Install one piece of 0.022pF (223) ceramic capacitor in the C3.
Step 9: Install the 5pcs 6 x 6 x 5mm switch on the S1-S5.
Step 10: Install one 100uF16V electrolytic capacitor in C4, C5. Be careful of the positive and negative poles. The short pin is negative pole.
Step 11: Install one 3.5mm audio jack in J1.
Step 12: Connect the battery box. Be careful of the positive and negative.
Step 13: Use the cable tie to fix the battery box.
Step 14: Connect to the power source and enjoy the effect.
Color: As shown
Material: Metal + Plastic

Package Include:
1 x DIY Radio Kit

Package contents above and other products are not included here.
Note: The color and size of the actual item may vary slightly from the color and size on the website due to lighting and display conditions. The margin of error for the measurement is 0.4 - 1.2 inches (1