Anyone who uses one (or more) Apple devices is certainly familiar with the AirPlay function. Thanks to this, media of all kinds can be streamed to other devices in the […]
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Category: Electronics
HowTo: Tasmota – Flash Tasmota firmware to Sonoff iFan03 module
View of the components belonging to the Sonoff iFan03. Another view. In order for the module to be programmed, you must first open the housing and remove the circuit board. […]
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HowTo: Tasmota – Flash Tasmota firmware using Tuya-Convert
Flashing devices with the ESP8266 is already described in the article ESP8266 – Flashing .bin files under Windows with the “Esptool”. But many ready-made SmartHome devices such as various sockets […]
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Tasmota – Configure shut-off delay for relay-output
Letting a relay run with a shut-off delay is actually a function that is used quite often. Unfortunately (at least until today) this is not so easy to implement with […]
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HowTo: Electronics – nanoPxl V1.1 soldering SMD components
I am currently working on the first preparations for a somewhat larger project. For this I need LEDs which shine a little brighter. At the same time, I didn’t want […]
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News: PCB development – genCtrlr and nanoPxl
Since I’ve started two new PCB projects lately, I thought it was time to write about them again. genCtrl aka “NerdiskeratorController” One of the side projects that arose from WinDIY […]
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HowTo: WinDIY – Assembling the pitch actuator
One component that is supposed to make WinDIY more secure is the pitch actuator. It allows the wing’s angle of attack to be changed via a push rod. In case […]
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News: Summer 2020
Dear visitor of Nerdiy.de, I’ve decided to post a little update from time to time (probably four times a year) about what’s going on in the background on Nerdiy.de. This […]
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HowTo: ESPEasy / Wemos D1 Mini – Adapt ADC to another maximum voltage
You can measure voltages using the ADC on the ESP8266. This is useful, for example, to measure a battery voltage and thus the state of charge of the battery or […]
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HowTo: ESPEasy – Water Level sensor with VL53L0X / VL53L1X
I recently stumbled across the VL53L0X and VL53L1X TOF distance sensors. These sensors can determine distances with millimeter accuracy using a laser. In addition, they have a range of up […]
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Code snippet: Arduino – Activate I2C broadcast reception
I2C is the bus protocol or technology via which a microcontroller can communicate with many sensors or actuators. Thanks to the right software, you can also connect and communicate with […]
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HowTo: ESP8266 – Flashing .bin files under Windows using “Esptool”
The actual flashing of firmware files such as .bin files or “binarys” on the Wemos D1 Mini, the NodeMcu dev board or any other board that is based on the […]
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HowTo: Electronics – correctly dimension power supplies and understand their data sheet
You need power supplies almost in every project, because someone needs to deliver the energy for your project. 🙂 There are some things to consider. On the one hand, you […]
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HowTo: Node Red – Control the Facebook(*)-Lamp
The article NodeRed/Tasmota – Building a Facebook(*) Icon Lamp explains how to build your own Facebook (*) lamp. The goal is to link these later with your SmartHome and, for […]
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How To: NodeRed – Supply Nerdiys PanelMeter with weather data
In the articles Build a retro-smart home display via analog displays and ESPEasy – Install and configure the Nerdy PanelMeter plugin was described what you need to do to build […]
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How To: ESPEasy – Install and configure the Nerdy PanelMeter plugin
In the article Build your own retro SmartHome display via analog displays, is explained how to assemble your own Retro SmartHome display. But unfortunately even the best hardware is nothing […]
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HowTo: ESPEasy – execute commands and actions via HTTP, MQTT, UDP and directly
One thing that makes ESPEasy so practical and universal is the ability to read and control various sensors and actuators via commands. Especially in combination with appropriate rules, this results […]
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HowTo: ESPEasy – Compile firmware, flash and configure WiFi access data
Each project consists not only of many important hardware components but also of the appropriate software. It is often less work to assemble the project than to write the appropriate […]
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HowTo: Electronics – My friend the soldering iron
Even as a part-time nerd you will not really get around the soldering iron in the long run. At the latest, when the first test circuit on the breadboard has […]
Read moreHowTo: Electronics – Loosen solder joints, clean and remove components
Wer den Artikel Elektronik – Mein Freund der Lötkolben bereits gelesen hat, hat vllt. gemerkt, dass man über dieses Thema tatsächlich ziemlich viel schreiben kann. Und dabei geht es nur […]
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HowTo: Electronics – The Functions of a Multimeter (Use for Troubleshooting)
Voltmeter, amperemeter, ohmmeter or as a “compact device” = multimeter are the ultimate life or at least a good mood savior if the self-made circuit does not work. Sometimes it […]
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HowTo: Electronics – Solder SMD components by hand
After soldering THT components, soldering SMD components is the supreme discipline among the soldering challenges. The difficulty increases with the decreasing size of the components. SMD stands for “Surface Mounted […]
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HowTo: Electronics – Commissioning a new circuit
After the last component of a kit or the first prototype of your own circuit is done, you are often excited and impatient. Sometimes at this point you have two, […]
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Image collection: Tasmota – Building a World-Map-Lamp
This article actually contains rather a colorful collection of photos originated from the time before Nerdiy.de. At that time, I built a map of the world as a decoration for […]
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How To: ESP8266 – Remove/disable LED
In recent years, the ESP8266 has become more and more the universal microcontroller that can be used in almost any project. A microcontroller for ~2€ including Wi-Fi and with lots […]
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HowTo: Tasmota – firmware flashing
Besides the hardware, the right software for your project is just as important. A practical and universally applicable firmware for the “forest-and-meadow microcontroller” ESP8266 is the Tasmota firmware. This allows […]
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HowTo: Tasmota – Build your own Retro-Bulb-Smart-Home-Lamp
Some may recognized in the Retro-speaker project, that it is a small hobby of me to give old things a new benefit. If you can also improve the old technology […]
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HowTo: TDA7492/CSR8635 – Build a DIY Bluetooth Retro Speaker
At some point last year I stumbled on Ebay on the very cheap TDA7492/CSR8635 Bluetooth amplifier boards. These include a Bluetooth audio receiver and a stereo amplifier with which speakers […]
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HowTo: TDA7492/CSR8635 – External antenna mod to improve Antenna amplification/range
After a few days of using the Bluetooth retro speaker, I soon realized that the integrated antenna had a somewhat modest wireless range. Mostly was after about 2m as the […]
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HowTo: NodeRed/Tasmota – Build a Facebook(*) Icon Lamp
After I recently found a way to forward notifications from my phone to my SmartHome, I have now considered a few ways to use this “useful” as possible. At first, […]
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