Diferential Amplifier circuit for use in OrangePI microphone

Completed Posted 3 years ago Paid on delivery
Completed Paid on delivery

I need a schematic to amplifier a electrect and put signal into a OrangePI Zero. OrangePI Zero have a Mic+ MIc-

diferential input. i need circuit using common amp ops like LM324 ...

Electrical Engineering Electronics Microcontroller PCB Layout Circuit Design

Project ID: #28108388

About the project

7 proposals Remote project Active 3 years ago

Awarded to:

epslnl

Hello, You don't need a microphone preamp for the Orange Pi zero. All that is required is a few capacitors and resistors for the microphone interface. Regards, Jim

$30 USD in 2 days
(9 Reviews)
3.7

7 freelancers are bidding on average $24 for this job

SMBelectronics

Dear Client I can give you audio amplifier circuits in 1 hours please messge me in inbox to discuss more details. Thank you Abbas Jawadwala SMB ElectroTech

$10 USD in 1 day
(19 Reviews)
4.9
nikitamorozzz

Hi, Dear. I am an electronic engineer and hardware designer. I have experience of designing preamplifier of EEG, temperature sensor with Pt1000, and etc.. I can deliver you high quality design. I hope to help you. Than More

$30 USD in 2 days
(9 Reviews)
4.1
JaibhanSinghGaur

Hi, I am a electronics and communication engineer with more than 2 years of experience in circuit and pcb designing. I have done many projects in past. So I think I can help you. Let's discuss more over chat. Please More

$10 USD in 1 day
(4 Reviews)
3.4
Usama0709

Hi there, I have read your project description and i'm confident i can do this project for you perfectly.I still have a few questions. Please leave a message on my chat so we can discuss the budget and deadline of the More

$50 USD in 1 day
(2 Reviews)
1.5
ns534712

Dear Sir/Madam I have 3+years of experience in Software development, integration, and validation. I have completed more than 10 industrial projects. My skills are:- Programming- MATLAB, LabVIEW, Python, and C/C++, C# More

$25 USD in 7 days
(0 Reviews)
0.0
heidarojji20205

HI, Dear client. I am an electronic and electrical engineer with more than 12 years experience especially in analog circuits and systems such as Op Amp circuits, small-signal and audio amplifiers, Hi-pass,Low pass and More

$16 USD in 7 days
(0 Reviews)
0.0