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RS232 And Null Modem HAT for Pi Zero
Ryan May 09,2023
RS232 and null modem HAT for Pi Zero. Designed for use with handheld computers such as Psion S5MX and S3. Switchable. Designed as part of the Sidecar project. All components through hole.Uses Sipex SP232EEP, discontinued, but widely available via ebay.Full project descriptions are available on the following blog posts:https://www.kianryan.co.uk/2022-11-28-psion-sidecar-ppp-modem-and-terminal/https://www.kianryan.co.uk/2022-11-25-rs232-null-modem-hat-pi-zero/Source code files freely available…
raspberry pi psion serial
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ApplePi Controls Board
Haynes Apr 19,2023
This board is designed to act as a "joystick"/game controller for any projects which require a board of this size, and with a large amount of controller inputs.It was originally designed for the "ApplePi" 3D printed, handheld, DIY retro game console and the full project can be found here: https://www.thingiverse.com/thing:5781120The only required electronic components are a TeensyLC, used as the microcontroller, and two 6mm tactile switches.The board gives the following control inputs:D-Pad (4 d…
3D printing Raspberry pi Gaming
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Raspberry Pi Pico Robot Controller & Mini Sumo Robot
Yıldırım Mar 27,2023
I built a mini sumo robot using a control board I designed with Raspberry Pi Pico. This control board can also be used for many other projects. For more details, please check out my GitHub page.
3D printing Raspberry pi Robot
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Pico Macropad
Arnov sharma Mar 27,2023
Hello and welcome back!Here's something useful: A macropad made completely from scratch using RP2040 Pico and a custom PCB was used, along with SMD tactile buttons and two custom PCBs, one for holding all the electronics components and the other as a mechanical board for keeping the 3D-printed switch in its place.A macropad is a small keyboard-like device that is typically used to execute specific commands or macros. It usually consists of a set of programmable keys that can be assigned custom f…
3D printing SLA Arduino
1140
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ESP32S3 GC9A01 LVGL Smart Watch
Useful Electronics Mar 10,2023
https://youtu.be/Td08fweKXwYIn this tutorial, ESP32S3 MCU is used to display time and temperature data on a round display with a nice looking user interface that is designed using LVGL library with the help of Squareline Studio. SNTP is used in order to get real time data over TCP connection with WiFi. The MCU processes the data and prints it on the GC9A01 display that is interfaced over SPI protocol. Temperature data, on the other hand, is obtained over MQTT connection with Node-Red that is run…
IOT ESP32 Raspberry pi
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USB Adapter for Arcade Trackball/Spinner and LS30 Rotary Joysticks
Reboot Mar 08,2023
Using a Raspberry Pi Pico as a USB HID mouse/keyboard device,An encoder based device can be connected, such as a two axis trackball, single axis arcade spinner etc.The encoder device then controls a USB mouse on the computer, including within games.For arcade emulation with games that use mechanical rotary joysticks (Ikari Warriors, Guerrilla War etc),Two joysticks can have their 13 pin connector plugged in and when the joystick is rotating, a USB keystroke is sent out to indicate movement clock…
Raspberry pi Retro MAME
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Raspberry Pi Pico RC Vehicle
KushagraK7 Mar 01,2023
1034
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RP2040 GC Modchip V1
dbzfanatic Mar 01,2023
This is a V1 hardware implementation of the PicoBoot modchip project that uses the RP2040 CPU instead of a full pico. The aim of this project is to make things smaller so they fit better, give DIYers an option to start from, and just assist the community overall.If you like this project feel free to contribute at https://github.com/dbzfanatic/2040Boot or the original PicoBoot project at https://github.com/webhdx/PicoBoot.
picoboot Raspberry pi Retro
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ESP32S3 Interfacing Rotary Encoder and GC9A01 TFT Rounded Display with LVGL
Useful Electronics Feb 19,2023
https://youtu.be/77VYMpIAbq4In this tutorial, Rotary encoder is interfaced with ESP32S3 pulse counter peripheral that allows obtaining the position and rotation direction of the rotary encoder using 2 pins. The obtained rotary encoder position value is shown on GC9A01 rounded display using LVGL library. The working principle of rotary encoder and involved hardware is explained in details with the used code.GitHub Repository:https://github.com/UsefulElectronics/esp32s3-gc9a01-lvgl
ESP32 IOT WiFi
1982
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Sandwitch Dot IO Display Board
Arnov sharma Feb 17,2023
Hi everyone! Welcome back.So here is Sandwich Dot IO, a portable Raspberry Pi system I created a few weeks ago with onboard power, a specialized cooling layer, and even RGB LEDs for aesthetics.https://www.pcbway.com/project/shareproject/Sandwich_Dot_IO_895e0050.htmlThe fan layer, raspberry pi carrier board, and battery bank layer are the three layers that make up this system.The display holder layer is the fourth layer I've included in this revision.The fourth layer houses a 7-inch HDMI display …
3D printing SLA DIY
577
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