This Year

Sep 2024 3D Printed in Sep 2024 Aug 2024 Bought 3D Printer Tested k3s Tested minikube Tested github notion integration Tested Dynatrace Jul 2024 Tested ESP8266 with RC522 NFC Reader Tested slack bot that supports interaction example/slack/dialog Jun 2024 Testing LLM with langchain and eBook Building Generative AI-Powered Apps May 2024 Tested Open AI API.
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3D Printed in Sep 2024

3D Printed in Sep 2024 First freecad moeling First model ESP8266(D1 mini) + PN532 Case Version 1 bottom case Version 2 bottom case add pilar Version 2 lid Version 2 with screw hole Version 2 re-draw Version 4 with screw hole, pilars, bed(for buzzer) Version 5 lid with screw pilars Version 6 Version 7 last version of lid IR Transmitter and receiver case
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Bought 3D Printer

Bought 3D Printer I just bought 3d printer from aliexpress Unboxing Tools and screws Assembled Boot Start printing Completed sculpture My own designs A ‘dgkim’ signed container (tested general overwrapping model) A flat container (tested size in millimeters) A piston for daily cleansing

Tested Dynatrace

Behind story I have been using APM since 2006. the first was Jennifer (for java). and Scouter (similar to jennifer x-view) And the year 2020, I meet elastic apm (half setup). I finished the setup from Python django monitoring, to Vue RUM(with sourcemap). In the year 2023, I tried Sentry for the first time. It seems new and is specialized for error tracking. I have set up for NestJS(backend), React(web frontend) and ReactNative.
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Esp8266 Rc522

Tested ESP8266 with RC522 NFC/RFID Reader RC522 is NFC/RFID reader, and it can be integrated into ESPHOME esphome configuration # Example configuration entryhttp_request:output:- platform:esp8266_pwmpin:5id:my_buzzerrtttl:output:my_buzzergain:0.1spi:clk_pin:14mosi_pin:13miso_pin:12rc522_spi:cs_pin:15on_tag:then:- http_request.send:method:POSTurl:!secret nfc_tag_call_urlverify_ssl:falseheaders:Content-Type:application/jsonjson:tag:!lambdareturn x;- rtttl.play:# rtttl: 'siren:d=8,o=5,b=100:d,e,d,e,d,e,d,e'rtttl:'two_short:d=4,o=5,b=100:16e6,16e6'binary_sensor:- platform:rc522uid:!secret my_room_cardname:"My Room Card" Two separate function binary_sensor is used by Home Assistant (see below) rc522_spi.on_tag : when nfc card is tagged, we call two services http_request.send : send to the server for additional automation rtttl.
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Year 2023

Dec 2023 Rectjs test project (reactjs, react-dom, react-router-dom, recoil, styled-component) Firebase Cloud Messaging + iOS PWA Nov 2023 Turn off Raspberry Pi 1 Beelink Mini-S Sep 2023 - NestJs, NestJS with serverless, Sentry, Migrating Firebase project into NestJS + Serverless Jun 2023 - Bitwarden May, Jun, Jul 2023 - IoT Toy Home Assistant : Running on Raspberry Pi 3 Wemos D1 mini(ESP8266) : Programmable WiFi controller (collects data or control switch/relay) ESPHome : Deployable firmware with YAML configuraion DHT11 : Temperature humidity sensor DS18B20 : Temperature sensor Relay : Toggle switch BMP180 : Air pressure sensor HC-SR501 : Passive Infrared sensor WS2812 : Addressable LED Analog AC Current Sensor : Failed to deploy (cannot get precise value, don’t know product’s defect or inproper wiring or compatibility issue) tpLink P110 : Smart Plug provides measuring power consumption Wemos D1 R1 : just tested.
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2023 Beelink Mini S

Beelink Mini S I wasn’t satisfied by Pico PC so, I bought another mini PC. the Beelink Mini S Here are some specs. CPU : Intel N95 Memory : 8GB SSD : 256GB Display Output : HDMI x 2 USB : USB-A x 4 Ethernet : 1 GbE x 1 Wifi : Wifi 5 Better than Pico PC Silent : most important Pico PC doesn’t include PWM controlled FAN.
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2023 Esp8266 Ir Remote

ESP8266 + IR Receiver + IR Transmitter When I was using raspberry pi, I bought a IR transceiver module for Arduino. and used it for several years. IR transceiver And this year, I am interested in ESP8266, so I bought another IR receiver, IR transmitter. Installed. Install esp8266 and voltage converter on breadboard. Install IR receiver and IR transmitter in front of tv
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