8266

Anonymous (anonymous@undisclosed.example.com) — 2020-11-26T23:52:42+00:00

Native: blink example * tutorial for Windows native driver for neopixel (but probably SPI works fine?) * SPI approach (may require using GPIO13?) MQTT with SSL installing the ESP OPEN SDK creating setup() and loop() equivalents another example of the run loop and messaging examples of capsense and other standards 7 segment LED example https://github.com/tuanpmt/esp_mqtt (mention of FOTA here: https://www.youtube.com/watch?v=WbQs_7WIUEs) FOTA: https://harizanov.com/2015/06/firmware-o…

arduino

Anonymous (anonymous@undisclosed.example.com) — 2023-10-26T14:17:52+00:00

* * * * * *

beagle

Anonymous (anonymous@undisclosed.example.com) — 2024-07-12T16:03:04+00:00

Beagle-related Beaglebone, Beagleboard Black, Green, and Friends * boot MicroSD card: hold user button while applying power * will still boot from MicroSD with a reboot command * expand MicroSD partition after burning 4GB partition: sudo /opt/scripts/tools/grow_partition.sh

ble

Anonymous (anonymous@undisclosed.example.com) — 2020-11-27T00:02:03+00:00

possible chips: * nRF52832 is RedBearLabs Nano v2 * Nordic beacon: NRF51822 GCC: * GCC with Nordic Beacon * https://www.allaboutcircuits.com/projects/ble-using-nrf51-arm-gcc-build-environment/ * https://devzone.nordicsemi.com/blogs/22/getting-started-with-nrf51-development-on-mac-os-x/ misc: * ble primer (adafruit) * argenox ble primer * BLE specifications of GAP (Generic Access Profile) * Nordic BLE tutorial * digikey intro to BLE security * sniffer guide

capacitive

Anonymous (anonymous@undisclosed.example.com) — 2020-11-27T00:03:41+00:00

AT42QT1010: * AT42QT1010 schematic (Adafruit) (Filimin using C1=10nF, 5nF worth trying, higher=more sensitive) * data sheet * Sensitivity Tuning * Improving Noise Immunity TTP223: * data sheet * schematic for generic module These 2 ICs are not pin-compatible. For both a higher Cs reduces sensitivity.

ciscoaironet1130

Anonymous (anonymous@undisclosed.example.com) — 2021-03-16T19:48:58+00:00

General Information * serial port is 9600 baud * to turn something off, put a no in front of the configuration * to see current configuration show configuration * you can cut/past multiple commands/settings as once * see current virtual lans:

displays

Anonymous (anonymous@undisclosed.example.com) — 2026-02-19T15:27:48+00:00

* TN vs IPS vs VA screens Create a virtual display in Linux this is useful if using something like, for example Deskreen to mirror a secondary display on another device when no other physical secondary display exists. original source * Extensible Virtual Display Interface (EVDI) module: sudo apt install evdi-dkms

esp32

Anonymous (anonymous@undisclosed.example.com) — 2022-08-20T18:53:23+00:00

Getting Started With CLion * open CLion and create PlatformIO project there. You should have setup() and loop() created for you * in terminal search for libraries you need. Example: pio pkg search irremote * add in platformio.ini lib_deps =

jetson

Anonymous (anonymous@undisclosed.example.com) — 2025-03-05T23:12:07+00:00

Jetson * getting started * Jetson examples * nvidia certification (no longer available) * Jetson AI lab * Getting Started with AI on Jetson Nano seeedstudio reComputer 3011 and 4012 (and probably others) * do not try to update with seeedstudio's firmware. It's not updateable after that * instead use sdkmanager from nvidia: * do manual install. Automatic will try to update the seeedstudio stuff which will fail

logicgreen

Anonymous (anonymous@undisclosed.example.com) — 2023-12-13T19:32:58+00:00

LGT8F328P MCU PortD pins * PD0 (pin 16): digital I/O pin * PD1 (pin 15): digital I/O pin * PD2 (pin 14): digital I/O pin * PD3 (pin 13): digital I/O pin * PD4 (pin 12): digital I/O pin * PD5 (pin 11): digital I/O pin * PD6 (pin 10): digital I/O pin

networking

Anonymous (anonymous@undisclosed.example.com) — 2024-01-13T16:57:39+00:00

LORA * best for long range/outdoors * Lorawan is a star network * Meshtastic is a mesh network * Meshtastic serial module * another LoRa-based mesh network * yet another LoRa-based mesh network Hardware * LoRa32 V2.1_1.6

pcb

Anonymous (anonymous@undisclosed.example.com) — 2020-11-27T00:04:40+00:00

Services: * iTead (PCB, PCBA) - The cheapest, according to PCB Shopper Utilities: * online gerber viewer

plants

Anonymous (anonymous@undisclosed.example.com) — 2024-02-05T04:39:59+00:00

Touche Touche can be used with plants to classify different characteristics in interacting with plants * talking to plants * blog post about talking to plants * parent post about touche with water and plants * touche with the arduino * also touche with the arduino * instructables version Botanicus Interacticus * overview from the inventor Biodata Sonification * midi sprout product from Italy * the guy who came up with biodata sonification explaining assembly * Hackaday …

plc

Anonymous (anonymous@undisclosed.example.com) — 2025-06-08T15:45:30+00:00

Rockwell/Allen Bradley PLCs PLC Software * Studio 5000 * Connected Components Workbench * free version (not activated) is good entry-level * choose discover to upload from the PLC * main routine is under tasks * RSLogix 500 * legacy software

projects

Anonymous (anonymous@undisclosed.example.com) — 2021-10-10T21:58:31+00:00

* Safe Capacitor Discharge Tool

rpi

Anonymous (anonymous@undisclosed.example.com) — 2022-11-17T18:27:16+00:00

Raspberry Pi and Clones MangoPi MPi-MQ1PH * successful compilation of Linux notes * ubuntu and Debian * [ working disk image] * this image is for 16GB or bigger sdcard * use sudo dd bs=4M if=/blahblahblah/mango of=/dev/sdwhatever status=progress after extracting * if using larger than 16GB card, fix size with

sensors

Anonymous (anonymous@undisclosed.example.com) — 2023-08-17T17:07:38+00:00

AK8975 Magnetometer (Compass) * I2C Address: 0x0e * library with code * product (with GPS running at 38400 baud) * change GPS to 9600 baud QMC5883L Magnetometer * device can switch between standby mode and continuous mode via writing to registers via I2C * the mprograms library supports this *

smarttable

Anonymous (anonymous@undisclosed.example.com) — 2025-03-11T13:19:31+00:00

Smart Table 442i * it appears the form factor of the computer inside follows the Open Pluggable System (OPS) standard * This means it's possible the computer could be replaced plug-and-play by any OPS computer such as found on eBay * confirmed. Bought $85 16GB RAM 256GB SSD i7 11th gen Win10 home and everything including multitouch worked (except no sound). No driver issues in Device Manager

stepper

Anonymous (anonymous@undisclosed.example.com) — 2021-10-26T13:10:56+00:00

Matsushita Model: KP39HM4-016 FMD00811B4 * 12 VDC * 0.08 Amp * 3.6 Degree/Step * 4-Wire * coil 1: blue and red * coil 2: yellow and white * M-Type * Made in Japan * Weight 6.15 Oz. 174 Grams

topodome_td-j10a_webcam

Anonymous (anonymous@undisclosed.example.com) — 2025-01-24T15:24:08+00:00

* rtsp stream 1: rtsp://username:password@IP:port/11 * example: rtsp://admin:admin@192.168.0.103:554/11 * stream 2: rtsp://username:password@IP:port/12 * example: rtsp://admin:admin@192.168.0.103:554/12 * website *

wear_leveling

Anonymous (anonymous@undisclosed.example.com) — 2025-11-14T16:58:46+00:00

* SDcards in general wear out the fastest, then EMMC, then SSD * There are industrial SDcards that last longer * writing is what wears out cards. * unpartitioned (unallocated) space improves wear-leveling since the sd/emmc/ssd controller sees the unallocated space as usable for wear leveling

wm02_nano_router

Anonymous (anonymous@undisclosed.example.com) — 2021-08-30T20:20:04+00:00

Summary * seems to have ralink RT3052 chipset * the included openWRT firmware was compiled for hame mpr-a2 so this appears to be a clone. Update: it's an mpr-a1 clone. mpr-a2 openwrt/lede firmware does not allow for dhcp client to work correctly on ethernet port

xy_oscope

Anonymous (anonymous@undisclosed.example.com) — 2025-04-18T15:51:40+00:00

References * * * * * Oscilloscope as display with ESP32 (video) Software * osci-render is a synthesizer for making music by drawing objects, text, and images on an oscilloscope using audio output * Youtube demo * free github code for…

wiki - lwc:hardware