Taste The Code

I make weekly videos of electronics, code and general making

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

Setting up Zigbee Dongle on Home Assistant in a Proxmox VM

I've installed a Sonoff Zigbee dongle to my Home Assistant setup via Proxmox so that I can now add Zigbee smart devices to my smart home setup.

Mar 14, 2025 — 6 mins read

Exploring the Potential of the CrowPanel ESP32 1.28” Display for DIY Projects

Explore the CrowPanel ESP32 1.28" round display by making a gauge connected to Home Assistant via MQTT. Discover its features, how to integrate it into DIY projects like wearables and smart home setups, and unlock its potential.

Jan 18, 2025 — 12 mins read

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