Taste The Code

Flashing and Configuring ESP Claw on UNIHIKER K10 ESP32-S3 Board

I flash the DFRobot UNIHIKER K10 with ESP Claw firmware and let an AI agent write its own scripts to control its LEDs and screen.

Jul 20, 2026 — 6 mins read

Full Electrical Isolation for Your ESP32 Power Switch Using an Optocoupler

Using an optocoupler instead of a transistor in a custom PCB power switch gives full electrical isolation and removes noise from MPPT solar charge controllers.

Mar 13, 2026 — 5 mins read

Touch Control Made Easy: A Beginner's Guide to TTP223 Sensors and ESP32 Touch Pins

Learn how to add touch control to your DIY electronics projects using the affordable TTP223 sensor module and the ESP32's built-in touch pins.

Jan 24, 2026 — 8 mins read

Meshtastic N39 GPS Tracker: Assembly, Setup, and a Real-Life Rescue Simulation

In this article I walk you through assembling and setting up the Meshtastic N39 kit with the Heltec V4 board, flashing the firmware, and testing GPS tracking in a real-world park scenario.

Dec 23, 2025 — 9 mins read

Sensor Power Switch Using an ESP32 and P-Channel MOSFET

I walk you through the design and prototyping of a P-channel MOSFET switch controlled by an ESP32 to efficiently power external sensors only when needed.

Dec 14, 2025 — 5 mins read

Building a Real-Time LoRaWAN Class C Relay Controller Using the ESP LoRa 32

Build a real-time LoRaWAN Class C relay controller using the ESP LoRa 32 in this step-by-step guide covering hardware setup, TTN configuration, and instant downlink control.

Nov 29, 2025 — 12 mins read

How to Build a Smart Keypad Access System with an ESP32 (EEmentor Kit Review)

Learn how to build a smart keypad-controlled access system using an ESP32 while exploring the strengths and shortcomings of the EEmentor IoT Starter Kit in this practical, hands-on guide.

Nov 22, 2025 — 9 mins read

Exploring ESP-NOW: Wireless Communication Between ESP32 Modules

Learn how to set up ESP-NOW for fast, low-power wireless communication between ESP32 devices, including indoor and outdoor range tests and long-range mode.

Aug 15, 2025 — 8 mins read

How I Save Data on the ESP32 – Even After Powering It Off

Learn how I used RTC memory and SPIFFS on the ESP32 to save data during deep sleep and even across full power resets.

Aug 02, 2025 — 8 mins read

Smart Home Dashboard with ESPHome and CrowPanel HMI Advanced Screen

This project demonstrates how to create a smart home dashboard using the CrowPanel ESP32-S3 display integrated with ESPHome and Home Assistant..

Apr 04, 2025 — 23 mins read

Taste The Code

Flashing and Configuring ESP Claw on UNIHIKER K10 ESP32-S3 Board

I flash the DFRobot UNIHIKER K10 with ESP Claw firmware and let an AI agent write its own scripts to control its LEDs and screen.

Full Electrical Isolation for Your ESP32 Power Switch Using an Optocoupler

Using an optocoupler instead of a transistor in a custom PCB power switch gives full electrical isolation and removes noise from MPPT solar charge controllers.

Touch Control Made Easy: A Beginner's Guide to TTP223 Sensors and ESP32 Touch Pins

Learn how to add touch control to your DIY electronics projects using the affordable TTP223 sensor module and the ESP32's built-in touch pins.

Meshtastic N39 GPS Tracker: Assembly, Setup, and a Real-Life Rescue Simulation

In this article I walk you through assembling and setting up the Meshtastic N39 kit with the Heltec V4 board, flashing the firmware, and testing GPS tracking in a real-world park scenario.

Sensor Power Switch Using an ESP32 and P-Channel MOSFET

I walk you through the design and prototyping of a P-channel MOSFET switch controlled by an ESP32 to efficiently power external sensors only when needed.

Building a Real-Time LoRaWAN Class C Relay Controller Using the ESP LoRa 32

Build a real-time LoRaWAN Class C relay controller using the ESP LoRa 32 in this step-by-step guide covering hardware setup, TTN configuration, and instant downlink control.

How to Build a Smart Keypad Access System with an ESP32 (EEmentor Kit Review)

Learn how to build a smart keypad-controlled access system using an ESP32 while exploring the strengths and shortcomings of the EEmentor IoT Starter Kit in this practical, hands-on guide.

Exploring ESP-NOW: Wireless Communication Between ESP32 Modules

Learn how to set up ESP-NOW for fast, low-power wireless communication between ESP32 devices, including indoor and outdoor range tests and long-range mode.

How I Save Data on the ESP32 – Even After Powering It Off

Learn how I used RTC memory and SPIFFS on the ESP32 to save data during deep sleep and even across full power resets.

Smart Home Dashboard with ESPHome and CrowPanel HMI Advanced Screen

This project demonstrates how to create a smart home dashboard using the CrowPanel ESP32-S3 display integrated with ESPHome and Home Assistant..

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Flashing and Configuring ESP Claw on UNIHIKER K10 ESP32-S3 Board

I flash the DFRobot UNIHIKER K10 with ESP Claw firmware and let an AI agent write its own scripts to control its LEDs and screen.

Full Electrical Isolation for Your ESP32 Power Switch Using an Optocoupler

Using an optocoupler instead of a transistor in a custom PCB power switch gives full electrical isolation and removes noise from MPPT solar charge controllers.

Touch Control Made Easy: A Beginner's Guide to TTP223 Sensors and ESP32 Touch Pins

Learn how to add touch control to your DIY electronics projects using the affordable TTP223 sensor module and the ESP32's built-in touch pins.

Meshtastic N39 GPS Tracker: Assembly, Setup, and a Real-Life Rescue Simulation

In this article I walk you through assembling and setting up the Meshtastic N39 kit with the Heltec V4 board, flashing the firmware, and testing GPS tracking in a real-world park scenario.

Sensor Power Switch Using an ESP32 and P-Channel MOSFET

I walk you through the design and prototyping of a P-channel MOSFET switch controlled by an ESP32 to efficiently power external sensors only when needed.

Building a Real-Time LoRaWAN Class C Relay Controller Using the ESP LoRa 32

Build a real-time LoRaWAN Class C relay controller using the ESP LoRa 32 in this step-by-step guide covering hardware setup, TTN configuration, and instant downlink control.

How to Build a Smart Keypad Access System with an ESP32 (EEmentor Kit Review)

Learn how to build a smart keypad-controlled access system using an ESP32 while exploring the strengths and shortcomings of the EEmentor IoT Starter Kit in this practical, hands-on guide.

Exploring ESP-NOW: Wireless Communication Between ESP32 Modules

Learn how to set up ESP-NOW for fast, low-power wireless communication between ESP32 devices, including indoor and outdoor range tests and long-range mode.

How I Save Data on the ESP32 – Even After Powering It Off

Learn how I used RTC memory and SPIFFS on the ESP32 to save data during deep sleep and even across full power resets.

Smart Home Dashboard with ESPHome and CrowPanel HMI Advanced Screen

This project demonstrates how to create a smart home dashboard using the CrowPanel ESP32-S3 display integrated with ESPHome and Home Assistant..

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Search

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