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31 Mar 2026 1 minute read 0 comments lostCrypto
Summer has been relentless this year. My passion for Bitcoin mining took a major hit due to the immense heat from my miners and the electricity costs required to keep them cool and running. There were times when the miners overheated so badly that I...
19 Dec 2025 1 minute read 0 comments lostCrypto
An Optocoupler also known as Photocoupler or Optical Isolator is a component that transfers electrical signals between two isolated circuits using light. It physically and electrically separates a low-voltage control circuit (like a microcontrolle...
28 Aug 2025 1 minute read 0 comments lostCrypto
The ESP32-C3 Based Parking Assistant is an advanced parking sensor system that utilizes the ESP32-C3 super-mini micro-controller to provide accurate distance measurements and parking assistance.This is the third iteration of my previously released p...
2 Jul 2025 1 minute read 0 comments lostCrypto
Elecrow sent me this cute little All-In-One Pico2 RP2350 Starter Kit. This kit is designed for beginners to start the learning journey of Pico 2 RP2350 in a fun and simple way. The kit integrates 17 sensors with different functions on a single b...
30 Jun 2025 1 minute read 0 comments lostCrypto
This project features a custom 3D-printed 'Mortal Kombat' trophy shell paired with a basic NE555 timer circuit in 'astable mode', producing a smooth 'breathing' LED effect—mimicking the gentle pulse of a living light.Watch this video for detailed...
25 Oct 2024 5 minute read 0 comments lostCrypto
Bring life to your home with this enchanting 4x4x4 LED cube. From static to flashing, chasing, or fading this cube can be programmed to display many different types of 3D LED transitions. This customizable PCB LED cube is super easy to make and fun...
15 Sep 2024 9 minute read 0 comments lostCrypto
Product Info: https://www.elecrow.com/wiki/esp-terminal-with-35inch-spi-capacitive-touch-display.htmlElecrow sent me this cute little 320x480 ESP32-S3 based SPI capacitive touch display with OV2640 camera. I am going to use this screen to create a t...
30 Jul 2024 6 minute read 2 comments lostCrypto
The Internet has changed the way we live our lives. From communication, education, banking, entertainment and shopping, the Internet has had a profound impact on our world.Gone are the days when the pen was the most important tool in this world. t...
12 Jul 2024 5 minute read 0 comments lostCrypto
A water level indicator detects and indicates the level of water in an overhead tank and relays the information back to a control panel to indicate whether the tank has a high or low water level.In this tutorial, I am going to use the ULN2003 IC t...
17 May 2024 7 minute read 0 comments lostCrypto
The UNL2003 IC contains 7 High Voltage, High Current NPN Darlington Transistor Arrays each rated at 50V, 500mA in a 16-pin DIP package. You can connect the IC directly to a digital logic (like Arduino or Raspberry Pi, TTL or 5V CMOS device) wi...
