Microcontroller with 5V supply to control 3.3V power

Started by mik3ca 3 months ago11 replieslatest reply 2 months ago66 views
I own an HM-TRP radio module which I want automatically configured using just a microcontroller (at89C2051) and an external 5VDC power supply (USB). In the past...

Circular buffers

Started by swmcl 3 months ago15 replieslatest reply 3 months ago133 views
Hi,I'm not that advanced at C programming but I need to build a circular buffer for my serial data.  The serial data is in a frame that is from 9 bytes to 48 bytes...

Why is the raw data from mpu6050 always constant?

Started by captain_aaloo 3 months ago1 replylatest reply 3 months ago47 views
I'm trying to interface mpu6050 module with pic16f886 microcontroller. But, i'm getting x-axis, y-axis and z-axis as 0 and the raw data on all the axis as 255. Why...

Solution to flash bootloader on request

Started by bicha 3 months ago1 replylatest reply 3 months ago45 views
Hello all,I work in a society that develops an autonomous robot, the robot architecture is composed mainly by: - 3 Arduino board. - 1 embedded PC, which communicates...

Glass that transfers light

Started by mik3ca 3 months ago8 replieslatest reply 3 months ago61 views
I have tried other forums but was not successful. Because my project is embedded related, I'll explain a bit. I'm making a lazertag game and I have realized that...

LCD in a complex system with little memory

Started by mik3ca 3 months ago4 replieslatest reply 3 months ago47 views
I'm looking for good ways to integrate LCD processing code into software on an old 8051 IC.Because the human eye can't process stuff as fast as computers can, what...
I'm looking for a simple way to handle key presses as well as store an option to allow a repeating key or just a one time press and release. Through experimentation,...

Detecting valid signals across multiple lines

Started by mik3ca 3 months ago4 replieslatest reply 3 months ago49 views
I created a 4-channel sensor circuit with the following type of schematic because I want to keep my option of using the serial port of the 8051 to my advantage if...

External Sensor MCP9808 interfacing with MSP430FR4133

Started by shetty 3 months ago2 replieslatest reply 3 months ago56 views
Microcontroller: MSP430FR4133 Tool/software: IAR Embedded  Hello,  I'm a beginner and need some help with a project of mine. Project- To interface an external...

Shorting GPIO internally = reset and no problem?

Started by mik3ca 3 months ago9 replieslatest reply 3 months ago57 views
I remembered making a post here and on another forum about connecting outputs of sensors to the 8051 RXD pin via schmitt triggers and combined through a multiplexer.Here's...

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