In Progress

Correct and Improve a circuit of a RGB Lamp

I want to design a simple RGB lamp controlled with an arduino.

I need a circuit design based on my idea.

These are the main components:

- [url removed, login to view] rechargeable battery (3000 ma)

- 8 or 12 RGB LEDS

- An arduino controller that use the Nordic 32 bit ARM Cortex-M0

The lamp will have 4 sides and for each side there are 2 or 3 RGB LEDS.

I dont need to set the color of each LED. But i need to set the color of each side (remember: 2/3 RGB per side).

That's all.

I have projected an ipotetic circuit.

One for Common Anode RGB Leds and one for the Common Cathode RGB Leds.

[url removed, login to view]

[url removed, login to view]

The work consist in:

- Correct my circuit (if needed)

- Improve it (Very important! i want any possible suggestion that you have)

- Make a list of possibly components to utilize (like what transistors i will utilize, etc etc)

- Calculate the resistences values or give me the exact formula to do with different RGB leds.

- Calculate the working hours with full battery.

Is a quite easy job. I will pay ever an entire hour to do the job. But a skilled Freelancer can do it in 20 minutes.

Skills: Electrical Engineering, Electronics, Microcontroller, PCB Layout

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About the Employer:
( 6 reviews ) Rome, Italy

Project ID: #4490122

Awarded to:


Hi i can help you .Kindly read my private message.

$8 USD / hour
(0 Reviews)

9 freelancers are bidding on average $25/hour for this job


I offer you professional help.

$14 USD / hour
(2 Reviews)

Its so simple.

$11 USD / hour
(1 Review)

please check private message.

$16 USD / hour
(1 Review)

ur circuit is a great RGB LED u need to separate branches for control by four sides using 12 output ports of uC or 12 stages shift registers. I working on a module on 4 sides RGB LEDs interconnected by a big I More

$110 USD / hour
(0 Reviews)

Decades of experience in developing embedded systems in industrial process control and automotive from prototyping to production-ready-design are offered for project success. I'm not shure if you want the Arduino also More

$16 USD / hour
(0 Reviews)

dear sir, please see the pm.

$16 USD / hour
(0 Reviews)

Great Project

$20 USD / hour
(0 Reviews)

we will do this project

$18 USD / hour
(0 Reviews)