30 Results for "ULN2803A"

Sous Vide cooker and more
Project by Richard Deininger
A sous vide cooker built from a Raspberry Pi with Adafruit LCD and code generated from a state machine.
- 16
- 1

Animated Turn Signals
Project by Tyler Anderson
<<<
- 78
- 40

Raspberry Pi Photo Booth
Project by michaelalink
Using a Raspberry Pi as an automated Photobooth
- 4.3k
- 21

PiSaint home automation board
Project by Richard Deininger
Connecting Raspberry Pi to 230V Sainsmart relais
- 1.8k
- 5

LED Matrix Shield and library
Project by Sam
Got fed up of having to look up the datasheet and code examples when using a matrix with an arduino...
- 437
- 9

PiSaint 2.0 home automation board
Project by Richard Deininger
Controlling 230V Sainsmart relais with a Rapsberry Pi
- 624
- 0

Arduino driven LED display with BT data transfer
Project by joekutz
I have made an Arduino-driven LED display that can show simple pictures, running text and other animations sent from a PC.
- 10
- 7

Rubidium Atomic Clock
Project by John Croudy
A digital clock and frequency generator based on a Symmetricom X72 Rubidium oscillator.
- 8
- 15

IoT RGB Led Cube 4x4x4 with Bluetooth
Project by Chris
To dive a little deeper into eletronics and arduino programming, I created an 4x4x4 RGB Led Cube. Bluetooth is still to be done.
- 3.3k
- 9

Nanocomp 6809 8 Bit Retro Computer on Breadboards
Project by Dave Henry
Wireless World Magazine in January and June 1981 published this design. Reproduced on solderless breadboards using the original Monitor ROM
- 21
- 23

Work-holding Robotic Arm for Electronic Workshop
Project by Guillermo Perez Guillen
Collaborative Robotic Arm Used as Assistant in an Electronic Workshop And Controlled by Voice Commands and Capsense Technology
- 7
- 8

PCA9685 ERM Haptic Driver Flex Module
Details from PCA9685 ERM Haptic Driver Flex Module
This board is part of Fyber Labs Flex Module project.With the addition of common darlington arrays (ie. ULN2803A), it can provide up to 16 motor channels with limited circuit design. The updated design is now addressable. The PCA9685 is now in QFN packaging...

Building The Board
Instructions from MQTT NOAH Baseboard
Intro: This is the fun part of most things I do, building the PCB. I used Eagle CAD 7.6.0 for my PCB design because hey, I have a license and I know it already. If you have a CAD tool like KiCAD just make sure after importing the files that everything...

Raspberry Pi Connection
Log from Digital Stamp with Inkjet Printing
I connected the RasPi with an old floppy IDE cable (cut at one end). It has 8 more pins than the Raspberry Pi, so these are ignored (would be cable ids 27-34).Here is the mapping of RasPi pins to floppy cable ids (only the first 26 of 34 can have a connection):Mapping...

MQTT-driven IP-relay module
Details from MQTT-driven IP-relay module
Main components: - 8 Channel DC 12V Relay Module with ULN2803 driver and 12V to 5V DC-DC converter installed;- STM32F103C8T6 aka Blue Pill module;- Wizchip Ethernet W5500 module;- two 8-dip switches;- prototype printed circuit...

1
2
>
>|