88 Results for "LM1117"

@SUFs negative voltage converter
Log from Breadboard Widgets
This is another one of @SUFs contributions, the original files of which can be found here. It's a negative voltage converter based on the Intersil ICL7660S and works quite well as you can see:---------- more ----------Here are the original schematic...

HW: Drafting Schema.
Log from WiFio - Mini
Block diagram itself is pretty much self explanatory. Drafting schema is not a tough job but, You need to simultaneously take care of the part that you are selecting for - footprint, availability and Pricing.Undoubtedly, EAGLE is superior CAD tool, no...

Component selection
Log from OSUG: Open-Source Underwater Glider
I am now at a stage where I can start to think about the PCB/control board, and I shall use this project log to outline each major component and its reasoning.For the central microcontroller, I intend to use an Atmel Atmega microprocessor as it can easily...

How I built one MrRobotBadge
Log from Mr. Robot Badge Mk. 2
This is it. I have verified hardware, and somewhat working firmware. Everything is ready to move into production. I'm going to be spending thousands of dollars at Mouser very very soon, and thousands more are going to a board house in China. MrRobotBadge...

Schematics Design | Part - 1
Log from Arduino Enabled : (ESP8266) WiFi & Xbee IoT Board
After drafting the basic features and taking community feedback over Reddit. I decided to move ahead with proposed design. Thanks for suggesting cheap CP2102 for USB-UART.Atmega328P: +3.3V Power, 8MHz Clocked.Power Supply: USB & DC Jack for Powering...

WiFio - Mini
Details from WiFio - Mini
Background Story:Am a part research scholar & part freelance design engineer, and for one of my project I needed to monitor couple of parameters like Temperature, humidity, light intensity. Using datalogger to perform this task was pretty obvious. And...

25W panel
Log from Solar powered battery sustainer
$33 later, there was the mighty Ecoworthy. https://www.amazon.com/dp/B01IFJ73X4 To save money, it was just connected to an LM1117 to limit the voltage to 14.5. That has a 1V drop at low current & 1.5mA quiescent current. Lacking a dummy...

Smart Underfloor Heater Retrofit
Details from Smart Underfloor Heater Retrofit
A 6-ch 230V mains underfloor heater valve controller with 6 mains inputs, based on an ESP32S3. - 6 AC inputs for reading the wall thermostates as fallback (no WiFi/ HomeAssistand dies)- 6 AC outputs using Optotriacs (max. 1,2A / channel)- UART & I²C...

biohand - Low cost 3D printed hand prosthesis
Details from biohand - Low cost 3D printed hand prosthesis
CONSIDERATIONSI live in Brazil. Here - unfortunately - lots of components are expensive or hard to get. This constrained a lot of design choices, a few of which are presented below.Also, I tried my best to use solely open-source development tools (or,...

Low-cost USB-PD Sink for Breadboard (and More)
Details from Low-cost USB-PD Sink for Breadboard (and More)
Highlights Dual channel supplies with one fixed 3.3V output and one 5V / 9V / 12V / 15V / 20V configurable output User-friendly operation: one-click voltage selection and LED indicators...

2WD Voice Controlled Robot with Arduino
Details from 2WD Voice Controlled Robot with Arduino
To build this robot, you will basically need one 2-wheel chassis, one Arduino board, one DC motor driver shield, one BitVoicer Server license, one WiFi module and one pre-amplified microphone. Regarding the components, there is a huge variety of them...

Police Flasher Circuit Using an STM8 [72 LEDs]
Details from Police Flasher Circuit Using an STM8 [72 LEDs]
[1]: Circuit Analysis Figure 1 shows the schematic diagram of the device. The heart of this circuit is an STM8S001 microcontroller. Figure 1, Schematic diagram of the programmable police LED-Flasher Let’s start the analysis from the power supply unit....

ULTIFlow
Details from ULTIFlow
Update 6 (1/11/2017) - uGFX, guis and beyond!Over the last few days I have been working on getting uGFX baked into my code. As of last night I finally managed to get the library drawing my main menu along with trigger events for the button clicks. So...

Revision C
Log from Weather Station PCB
This is my last revision which a did so far. It contain following parts: ESP12E 3.3V voltage regulator LM1117 Reset button Flash button FTDI connector LCD connector Some resistors Some capacitors LED for flash state build in charging with MCP73831T +...

AND!XOR DC27 Badge
Details from AND!XOR DC27 Badge
CTF LeaderboardClick here for the leaderboardIf you don't appear, there's not a problem, you either....1) Haven't been near a proxy node at the conference yet2) Haven't figured out the first step to appearing on the leaderboard...BADGE HARDWARE SPECS...

|<
<
3
4
5
6
>
>|