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Geekcreit® DIY Radio Electronic Kit Parts 51 Single-chip FM Digital Sound Machine
37
Shipping to: United States |
Express delivery: 7-12 business days |
Standard delivery: 15-25 business days
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Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
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You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471Introduction:
The main control chip is composed of STC89C52 chip + TDA5807 core device, which is connected through the I2C bus between the master and slave devices, and uses the software simulation bus timing method to drive the TDA5807 chip to work. The program realizes the automatic radio search function, and the frequency reception range is 87- 108MHZ, frequency band information is displayed in real time on LCD1602 LCD screen. The output audio signal is amplified by the power amplifier chip LM386 to drive the speaker to work.
The receiving sensitivity and sound quality are very good, and the anti-noise interference ability is strong, which effectively reduces the noise interference when listening to the radio. The sound becomes clearer under the action of the power amplifier chip.
Adding the level indicator makes listening to the radio a full enjoyment.
Assemble manual: Click here.
Features:
1. This module adopts DC 5V working voltage, it is convenient to get power and supports computer USB power supply and mobile charging treasure.
2. This radio uses digital tuning and volume control. It is more convenient to search for radio stations and adjust the volume.
3. Note: Some stocks have updated the PCB board and added 3 resistors, and other functions do not affect the use.
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Specification:
DC power supply 5V, positive and negative, do not reverse.
Frequency modulation range: 87MHZ-108MHZ
Shell size: 9.5cm*6.4CM*5.0CM
Working voltage: 4.5V-5.5V DC
Package included:
1 x DIY Radio Electronic Kit
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garnaou VIP5GR21/03/2024Ok. thanks
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ccorrea VIP1PT10/02/2024Vieram 3 díodos 1N4007 que não aparecem no desenho. Será para serem inseridos em 50 (lado esquerdo) e à direita de C16 (ver imagem)?
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0A:I can open the lixnk fine, you should check your browserAnswered by UrbeanFloozy on 28/11/2024Helpful (0)
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0A:sorry not sure for thatAnswered by Abear on 18/02/2024Helpful (0)
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0A:You can first check if the circuit is working properly.Answered by HerefSnooty on 18/02/2024Helpful (0)
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0A:No memory kept after it power is off. Memory is kept only on any device when battery is built in to save memory info on chip.Answered by Karim on 23/04/2023Helpful (0)
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0A:10KAnswered by Mcmclendon on 20/02/2024Helpful (0)
