Author

AndroidCrypto

@androidcrypto

articles: 56
total claps: 1,395
top claps: 139
avg read: 6.9 min
active: 2023-02-24 → 2026-06-09

Wiki topics

FT · Fine-tuning & Adaptation · 11 📟 · Gadgets & IoT · 9 🔧 · Data Engineering · 8 📰 · Journalism & News · 7 🖊️ · Illustration & Drawing · 4 👨‍👩‍👧 · Family & Parenting · 3 🌍 · Earth Science · 2 🔒 · Cybersecurity · 2

Top tags

#esp32 ·35 #tft-display ·14 #esp32-tutorial ·13 #st7789 ·10 #esp32-c6 ·10 #esp32-h2 ·9 #lora ·9 #esp32-s3 ·9 #cheap-yellow-display ·8 #ili9341 ·8

AN AndroidCrypto

How to control multiple Zigbee thermometers with an ESP32-C6 Coordinator

This tutorial is a follow-up to “How to use an ESP32-C6 as Zigbee Coordinator or End Device for a Thermometer or Thermostat” and explains…

Apr 22, 2026 · 8 min read · 139 claps #esp32 #esp32-tutorial #zigbee

How to control multiple Zigbee thermometers with an ESP32-C6 Coordinator

SCI

AN AndroidCrypto

Create an Internet Weather Station with 10 days Forecast on an ESP32 with ST7789 TFT Display…

This tutorial shows how to develop an Internet based Weather Station that displays a 10 days temperature and precipitation forecast for…

Aug 23, 2025 · 8 min read · 133 claps #esp32 #meteomatics #st7789

Create an Internet Weather Station with 10 days Forecast on an ESP32 with ST7789 TFT Display…

ART

AN AndroidCrypto

Create a digital clock in a Domino style on an ESP32 Cheap Yellow Display (“CYD”)

The “ESP32 Cheap Yellow Device” (“CYD”) is a powerful device with a great advantage: a large 2.8-inch TFT Touch display, an SD Card Reader…

Oct 07, 2025 · 7 min read · 121 claps #esp32 #cheap-yellow-display #cyd

Create a digital clock in a Domino style on an ESP32 Cheap Yellow Display (“CYD”)

AN AndroidCrypto

Playing Othello / Reversi on an ESP32 Cheap Yellow Display with Minimax intelligence for the AI…

The ESP32 Cheap Yellow Display (“CYD”) device is the ideal platform to play board games, as it comes with a TFT display that has a touch…

Oct 07, 2025 · 7 min read · 114 claps #esp32 #cheap-yellow-display #esp32-tutorial

Playing Othello / Reversi on an ESP32 Cheap Yellow Display with Minimax intelligence for the AI…

AI ART SCI TCH

AN AndroidCrypto

NFC meets LoRa — using Long Range Communication for Access Control Systems with ESP32

This is not a tutorial, but rather a proof-of-concept article in which I will demonstrate how to combine two technologies. The first is…

May 25, 2026 · 8 min read · 102 claps #esp32 #nfc #lora

NFC meets LoRa — using Long Range Communication for Access Control Systems with ESP32

TCH

AN AndroidCrypto

Create a Color Wheel Clock on a round GC9A01 TFT display with an ESP32-C6 Supermini microcontroller

Round displays are most commonly used to display a clock or measuring instrument. I was inspired by the nice Colour_Wheel example in…

Sep 06, 2025 · 6 min read · 91 claps #esp32-c6 #gc9a01 #clock

Create a Color Wheel Clock on a round GC9A01 TFT display with an ESP32-C6 Supermini microcontroller

SCI

AN AndroidCrypto

Create an Internet Weather Station with 3 days Forecast on an ESP32 Cheap Yellow Display (“CYD”)

The “ESP32 Cheap Yellow Device” (“CYD”) is a powerful device with a great advantage: a large 2.8-inch TFT Touch display, an SD Card Reader…

Aug 05, 2025 · 7 min read · 84 claps #esp32 #cheap-yellow-display #openweathermap

Create an Internet Weather Station with 3 days Forecast on an ESP32 Cheap Yellow Display (“CYD”)

TCH ECO

AN AndroidCrypto

Mifare DESFire EV3 Run “AuthenticateEV2First” on a Mifare DESFire EV2/EV3 NFC tag in detail

The “Mifare DESFire EV2 or EV3” NFC tags are probably the best secured NFC tags on the market. This due to the fact that the system is…

Oct 24, 2025 · 9 min read · 83 claps #mifare-desfire #desfire #authentication

Mifare DESFire EV3 Run “AuthenticateEV2First” on a Mifare DESFire EV2/EV3 NFC tag in detail

TCH

AN AndroidCrypto

Use an ESP32 Cheap Yellow Device as graphical Wi-Fi Analyzer

When setting up any Wi-Fi network, there is one important decision to make: choosing the right channel. Especially when using multiple…

Nov 28, 2025 · 4 min read · 71 claps #esp32 #cheap-yellow-display #cyd

Use an ESP32 Cheap Yellow Device as graphical Wi-Fi Analyzer

MDA

AN AndroidCrypto

Play iconic Arcade Games like Pac-Man or Donkey Kong on ESP32 Cheap Yellow Display (“CYD”) [full…

The 1980s were the time when Arcade Games showed up in Gaming Halls, and games like Pac-Man, Donkey Kong, Galaga, Frogger, Digdug or 1942…

Sep 04, 2025 · 10 min read · 65 claps #esp32 #esp32-tutorial #cheap-yellow-display

Play iconic Arcade Games like Pac-Man or Donkey Kong on ESP32 Cheap Yellow Display (“CYD”) [full…

ART

AN AndroidCrypto

ESP32-S3 Expansion Board with 2.8 inch ILI9341 Touch Display, DHT11 sensor & RGB LED on/off toggle

This short tutorial is an explanation of the sample sketch that shows how to work with the DHT11 Environment Sensor and show the data on…

Jul 07, 2025 · 4 min read · 54 claps #esp32-s3 #expansion-board #tft-display

ESP32-S3 Expansion Board with 2.8 inch ILI9341 Touch Display, DHT11 sensor & RGB LED on/off toggle

AN AndroidCrypto

Mifare DESFire EVx NFC tag: Change the Master Application Key from DES to AES (Android/Java)

This article shows you how to change the Master Application Key on a Mifare DESFire NFC tag from DES key type to AES key type. This will be…

Jun 19, 2024 · 3 min read · 47 claps #android #java #nfc

Mifare DESFire EVx NFC tag: Change the Master Application Key from DES to AES (Android/Java)

TCH LIF AI

AN AndroidCrypto

Is it worth switching to the new Heltec WiFi LoRa 32 V4 board?

If you are interested in LoRa (“long range”) development boards from the ESP32 family, you will certainly have heard that the Chinese…

Feb 24, 2026 · 6 min read · 35 claps #heltec #lora #esp32

Is it worth switching to the new Heltec WiFi LoRa 32 V4 board?

AN AndroidCrypto

How to use an ESP32-C6 as a Zigbee Coordinator for a Button

Zigbee buttons are available in many colors, shapes, sizes, and with a wide range of functions. They offer an elegant way to control other…

Apr 16, 2026 · 5 min read · 28 claps #esp32 #esp32-tutorial #zigbee

How to use an ESP32-C6 as a Zigbee Coordinator for a Button

TCH

AN AndroidCrypto

Use a MAX17043 battery voltage meter with an ESP32-H2 Super Mini Development Board and get the…

This tutorial is part of a series of articles about the small ESP32-H2 Super Mini (“SM”) development board. I will explain how to control…

Feb 11, 2026 · 7 min read · 27 claps #esp32-h2 #max17043 #arduino

Use a MAX17043 battery voltage meter with an ESP32-H2 Super Mini Development Board and get the…

AN AndroidCrypto

Create a digital Christmas clock on an ESP32 with 1.9-inches display (small Cheap Yellow Display)

The smallest “ESP32 Cheap Yellow Device” (“CYD”) is a powerful device with a great advantage: a 1.9-inch TFT Touch display is wired and…

Nov 27, 2025 · 6 min read · 26 claps #esp32 #cheap-yellow-display #cyd

Create a digital Christmas clock on an ESP32 with 1.9-inches display (small Cheap Yellow Display)

ART

AN AndroidCrypto

Upgrade your ESP32-S3 Nixie-style clock with a Web BLE interface

If you followed my tutorial “How do I find the correct connection pins for an ESP32-S3 development board with an attached TFT display…

Jun 03, 2026 · 7 min read · 24 claps #esp32 #esp32-tutorial #ota

Upgrade your ESP32-S3 Nixie-style clock with a Web BLE interface

AN AndroidCrypto

How to work with a Mifare DESFire EVx NFC tag on an ESP32 with PN532 reader (Starter tutorial part…

This is part 2 of the tutorial — here I explain the communication with the Mifare DESFire EVx tag in detail. I’m strongly recommending to…

Nov 09, 2025 · 13 min read · 21 claps #esp32 #pn532 #nfc

How to work with a Mifare DESFire EVx NFC tag on an ESP32 with PN532 reader (Starter tutorial part…

LIF

AN AndroidCrypto

Upgrade your ESP32-C6 Zigbee devices and use them as a Zigbee router as well

This tutorial is a supplement to my Zigbee article series, as this time the focus is not on end devices (e.g., sensors or switches) and…

Apr 28, 2026 · 10 min read · 16 claps #esp32 #esp32-tutorial #zigbee

Upgrade your ESP32-C6 Zigbee devices and use them as a Zigbee router as well

TCH

AN AndroidCrypto

Getting Started with an ESP32-C6 Supermini device connected to an ILI9341 TFT display

These tiny ESP32-C6 Supermini devices are the perfect choice for your IoT projects. They provide 13 GPIO pins on the breadboard pin and…

May 19, 2025 · 7 min read · 15 claps #esp32 #tft-display #spi

Getting Started with an ESP32-C6 Supermini device connected to an ILI9341 TFT display

AN AndroidCrypto

How to work with a Mifare DESFire EVx NFC tag on an ESP32 with PN532 reader (Starter tutorial part…

Mifare DESFire EVx NFC cards are probably one of the best choices when developing high secured projects. But as they are not simple storage…

Nov 08, 2025 · 12 min read · 14 claps #esp32 #nfc #pn532

AN AndroidCrypto

Use a UART-interfaced LoRa module with an ESP32-H2 Super Mini Development Board and transmit and…

This tutorial is part of a series of articles about the small ESP32-H2 Super Mini (“SM”) development board. I will explain how to control…

Feb 14, 2026 · 4 min read · 12 claps #esp32-h2 #lora #uart

Use a UART-interfaced LoRa module with an ESP32-H2 Super Mini Development Board and transmit and…

MDA TCH

AN AndroidCrypto

How do I find the correct connection pins for an ESP32-S3 development board with an attached TFT…

This article is less of a tutorial than the result of a long search. When I first saw this development board on AliExpress seven months…

May 17, 2026 · 6 min read · 11 claps #esp32-s3 #tft-display #st7789

How do I find the correct connection pins for an ESP32-S3 development board with an attached TFT…

AN AndroidCrypto

How to use Touch and SD Card at the same time on an ESP32 Cheap Yellow Display (“CYD”)

The “ESP32 Cheap Yellow Device” (“CYD”) is a powerful device with a great advantage: a large 2.8-inches TFT Touch display, an SD Card…

Aug 31, 2025 · 6 min read · 7 claps #esp32 #esp32-tutorial #cheap-yellow-display

How to use Touch and SD Card at the same time on an ESP32 Cheap Yellow Display (“CYD”)

TCH ART

AN AndroidCrypto

ESP32-S3 Expansion Board Kit with OLED SSD1306 display and onboard RGB LED

This short tutorial is an explanation of the sample sketch that shows how to work with the RGB LED on the ESP32-S3 Development Board. For…

Jul 05, 2025 · 1 min read · 6 claps #esp32-s3 #expansion-board #oled