6277 Results for "esp8266"

21 August - PCBs arrived, some failures to report
Log from IP control for inexpensive line following robots
The PCB boards from OSH Park arrived promptly, but I was out of town. I ordered 16 July and they arrived about 27 July, using only the free shipping option. I assembled one and everything went smoothly UNTIL I tried to use it. The components all fit...

Project Log 4: The Perfect RF Chip
Log from Daytripper: Hide-My-Windows Laser Tripwire
Since the transmitter (TX) needs to talk to receiver (RX) when triggered, we need to find a way of wireless communication between the two. There are a number of popular wireless chips. ESP8266 is for WiFi, so not relevant here. The ubiquitous 433MHz...

Assembling the Robot
Instructions from Arduino Robot With PS2 (PlayStation 2) Controller
The first part of this project was the assembly of the robot structure. In previous projects I developed the structure of my own robot, using easily accessible materials (without the need for complex tools, 3D printers or laser cutting machines). You...

LG SJ2 Sound Bar hack
Details from LG SJ2 Sound Bar hack
Opening the subwoofer there is a single pcb with power supply, speaker driver and a pigyback wireless module. Interestingly there is a connector with 3.3V power and I2C pins connected. Removing the large heatsink from the power amplifier IC it turns...

Sigfox "Butterfly" Feather Wing
Details from Sigfox "Butterfly" Feather Wing
Sigfox is a global low power wireless network offering service in over 65 countries including the US, and Canada. Now is the time to start learning what the Sigfox "0G Network" can offer for IOT use cases that require low cost and 2-10 years of...

Zigbee, my future nemesis?
Log from Let me control you: Hitachi air conditioner
Now that I have demystified the communication protocol of this Hitachi air conditioner, it's time to work on what is gonna be the most difficult and time consuming part of this project for me: building a Zigbee interface to enable remote control from...

Housing and Assembly
Log from Linear Calendar Clock
Now that all the physical components are available it is time to finish the housing and assemble the full clock. First I will talk about the housing design, and the process of getting it printed. After that I will show the final product when it is all...

Control 4 devices via Google Assistant, Utsource
Details from Control 4 devices via Google Assistant, Utsource
1. Some parts needs in this project. 2. Soldering. 3. Finished. 4. Connect test. Product list: ESP8266 http://bit.ly/2KPHFEh SPDT 12V Relay http://bit.ly/2MKR8xN Transistor C1815 http://bit.ly/2Hf1jtN Resistor 10K http://bit.ly/2TMSWXV...

Colourful Connected Clock
Details from Colourful Connected Clock
Development I started with the segment design. Personally, I think that most 7 segment fonts have too sharp appearance (curves and corners). I spent way too many hours in redesigning the digits (definitely overkill, but once you are down the rabbit...

First Log: Inspiration
Log from nRF52 SmartWatch
The project is still very much in the design phase, and I can't publish any code yet until I've gone through the copyright release process with my employer (this is a purely personal project, and is not associated in any way with my employer).This...

ESP Handheld IMU
Details from ESP Handheld IMU
Last October on an impulse I ordered a F450 quadcoptor drone - complete with motors, escs, cc3d flight controller - actually under $50 from a chinese supplier. I had never really thought about or used a drone before, but figured building one from scratch...

*hacker voice* I'm in.
Log from SAAB 9-3 'ICM2' Display Hacking
This is more of a "dump" than a log.I took apart the display and traced out the LCD PCB using a combination of a multi-meter, and by taking photos of both sides of the PCB and overlaying them in Photoshop.I then had to convince the ICM2 unit...

ESP-01 CONTROL RGB LED CUBE 4x4x4
Details from ESP-01 CONTROL RGB LED CUBE 4x4x4
Before getting started, please watch the video below:Project schematic is as follows: My RGB led cube 4x4x4 includes 64pcs x 10mm RGB LEDs arranged in 04 x LAYERS and each LAYER arranged in 04 x ROWS and 04 x COLUMNS. 04 x LAYERS are controlled by 01pcs...

Tests of MAX98357A module
Log from Loud ESP
First to test is popular ready-to-use module based on MAX98357A chip. Data format: I2S, mono outputOuput: 3W D-class amp, low-impedancePrice: ~€4 per unit, or ~€7 per stageHere is the setup and test circuitOn the output there...

Embedded Serial Buses
Details from Embedded Serial Buses
Course Overview Attendees of this course will learn how serial communication works, as well as the most common standardised protocols for serial communication. In Part 1 of this course, we will be covering I2C and 1-Wire. Hardware is not required to...

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