Safe-Zone: 4월 2025

2025년 4월 24일 목요일

대전엑스포 (2025 과학축제 (매년 열림))

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미국인 미팅

베터리 잔량표시 (버튼 없이 표시됨)

Bargraph로 표시됨

단계는 아직 미정

버튼2개 (1번버튼 수동모드 // 2번버튼 자동모드)

http://www.ds-parts.co.kr/goods_detail.php?goodsIdx=19289

https://www.alselectro.in/product-page/4056-charging-module-c-usb

in the input이 뭐지....

베터리옆의 M으로 표시된 Output의 용도는 ?

https://faqs.noctua.at/en/support/solutions/articles/101000081757-what-pin-configuration-do-noctua-fans-use-

https://coolenjoy.net/bbs/cooling/413288

https://www.amazon.ca/Delta-AFB0712VHB-4-Pin-70MM-Sensor/dp/B00U6V9S0Q

https://www.delta-fan.com/Download/Spec/AFB0712VHB-AC59.pdf

https://ko.aliexpress.com/item/1005005665931290.html?spm=a2g0o.productlist.main.21.478715b3c4ASBo&algo_pvid=e428e24d-9b08-42a3-b35a-3d48d01a3be4&algo_exp_id=e428e24d-9b08-42a3-b35a-3d48d01a3be4-20&pdp_ext_f=%7B%22order%22%3A%229%22%2C%22eval%22%3A%221%22%7D&pdp_npi=4%40dis%21KRW%217968%211018%21%21%215.48%210.70%21%402101246417468758148284563e7635%2112000033945939283%21sea%21KR%210%21ABX&curPageLogUid=OLhx3H3kribm&utparam-url=scene%3Asearch%7Cquery_from%3A

https://www.unmannedtechshop.co.uk/product/40mm-cooling-fan-5v-pwm-adjustable/

Black -> GND; Red -> Vcc; Blue -> Tach; Yellow -> PWM.

https://iotdunia.com/led-bargraph/

// LED Bar Graph Arduino Project

const int analogPin = A0; // Potentiometer input pin

const int ledCount = 10; // Total number of LEDs

int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11}; // Digital output pins for LEDs

void setup() {

for (int i = 0; i < ledCount; i++) {

pinMode(ledPins[i], OUTPUT);

}

void loop()

{

int sensorValue = analogRead(analogPin); // Read analog input

int ledLevel = map(sensorValue, 0, 1023, 0, ledCount); // Scale to LED count

for (int i = 0; i < ledCount; i++) {

digitalWrite(ledPins[i], i < ledLevel ? HIGH : LOW); // Light up LEDs accordingly

}

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https://electronics.stackexchange.com/questions/424518/battery-indicator-circuit

각 Zener Voltage를 신경써서 Zener Diode를 골라야함

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https://www.learningaboutelectronics.com/Articles/Voltmeter-circuit-with-zener-diodes.php

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https://www.youtube.com/watch?v=XvkRbxpsNIU

9v가 들어가면

빨간 동그라미로 표시한 구간에만 전류가 들어가서

LED가 3개 켜집니다.

제너 1V +
저항은 고정 1K

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https://www.circuits-diy.com/simple-12v-battery-status-indicator/#google_vignette

12V 베터리면

제일 끝단인 오른쪽 끝의 Zener는 그보다 작은 11V가 작합하다.

1n4729

1n4731

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https://ko.aliexpress.com/item/1005003147137462.html?src=google&pdp_npi=4%40dis!KRW!1368!1152!!!!!%40!12000024352767033!ppc!!!&src=google&albch=shopping&acnt=675-269-3084&isdl=y&slnk=&plac=&mtctp=&albbt=Google_7_shopping&aff_platform=google&aff_short_key=UneMJZVf&gclsrc=aw.ds&&albagn=888888&&ds_e_adid=&ds_e_matchtype=&ds_e_device=c&ds_e_network=x&ds_e_product_group_id=&ds_e_product_id=ko1005003147137462&ds_e_product_merchant_id=107801588&ds_e_product_country=KR&ds_e_product_language=ko&ds_e_product_channel=online&ds_e_product_store_id=&ds_url_v=2&albcp=22388205295&albag=&isSmbAutoCall=false&needSmbHouyi=false&gad_source=1&gad_campaignid=22384687625&gbraid=0AAAAA_Dz3HFb85lMosXbMsRIoRZH4s74E&gclid=CjwKCAjwravBBhBjEiwAIr30VIhYpEOI9HPmICF_U2wi-Bbv7wmvyvNvxruEYfVjZy2QXPqEP0lGOBoC_fQQAvD_BwE

SW-18015P

https://www.circuitbasics.com/how-to-setup-vibration-sensors-on-the-arduino/

★tutorial

https://www.circuitbasics.com/how-to-setup-vibration-sensors-on-the-arduino/

충격센서

https://www.youtube.com/watch?v=llEzREqB9rQ

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아두이노 가격

https://www.icbanq.com/P007320613

13500원

https://robot.co.kr/product/detail.html?product_no=2804&cate_no=78&display_group=1
5000원

https://www.devicemart.co.kr/goods/view?no=1357630&srsltid=AfmBOopDdGSHVy9TVDatng5-K9UvMYzxyw9mrwXotm0w_cbZl55YclEA

4500원

2025년 4월 23일 수요일

LG폰 서비스센터

남인천서비스센터

미추홀구 주안로 8(도화동)

부천서비스센터

부천시 길주로 285 (신중동역 근처)

북인천서비스센터

계약구 계양대로 52 작전동

2025년 4월 15일 화요일

대전엑스포 시민광장

근처역 :: 정부청사역

https://www.google.com/maps/search/%EB%8C%80%EC%A0%84+%EA%B4%91%EC%9E%A5+%EA%B7%BC%EC%B2%98%EC%B0%9C%EC%A7%88%EB%B0%A9/data=!4m7!2m6!3m5!2z64yA7KCE6rSR7J6l!3s0x356549004a80e047:0x4c725e06f36b125b!4m2!1d127.4326265!2d36.3311651?entry=ttu&g_ep=EgoyMDI1MDQwOS4wIKXMDSoASAFQAw%3D%3D

백두산 사우나 042-486-9494

불가마 사우나 042-472-9271

2025년 4월 9일 수요일

김문수 밈코인 사는법(=구매방법, How to buy Moon MemeCoin)

https://www.thepeoplewin.io/#allocation

트럼프 밈코인이 유행했던데 힘입어

김문수 코인이 생겨버렸네요

일명 문코인

수량은 이정도라고 하네요

뭐 어디까지나 밈코인이라 대선전까지만 핫하고 이후엔 휴지조각일지 모르지

어느정도 유념할 필요는 있습니다.

1.Phantom is a crypto wallet app used for storing and managing Solana tokens. After creating a wallet be sure to write down your recovery phrase on a piece of paper and store it somewhere safe. Download it from Phantom.

2.If you bought Solana on a CEX like Upbit or Bithumb and Binance, you need to transfer SOL to your phantom wallet. You can also buy Solana inside your Phantom wallet

3.Jupiter is the most well-known Solana-based decentralized exchange (DEX) aggregator, and optimizes for the best available swaps between any supported token pair.

4.Set the pay field to SOL and the receive field to our contract address FueiSKBGe4qcKJdFvLophketod3ooWT2htdNjxdNAJ2e and press the Swap button.

순서는

Phantom 지갑을 생성하고

거래소에서 SOL코인을 구매후 Phantom지갑으로 전송

주피터 사이트에서 SOL과 MOON을 스왑