Latest posts
- BME680 Webserver for raspberry Pi, using Python and Flask
- LoRa Receiver with RFM95
- LoRa transmitter with RFM95
- Arduino Webserver with W5500 Shield
- Arduino Webserver for W5100 Shield
ESP32
- Modifying the AsyncElegantOTA library (a How-To)
- Dynamic Icons and Colors in asynchronous webserver
- Modifying the cam32 webserver HTML file
- Controlling the LED on the ESP32 CAM using Bluetooth
- ESP32 CameraModule
- Using Telegram with ESP8266 or ESP32
ESP8266
- ESP8266 and MySQL with Grafana
- ESP8266 with influxDB and Grafana and/or Chronograf
- Webserver for SonOff basic, adressing the RED LED and sensor function
- Real time graph for data logging
- Cold Frame monitoring with an ESP8266
- Sending messages through the Signal messenger service
- Modifying the AsyncElegantOTA library (a How-To)
- Cold frame monitor with ESP8266 webserver
- Strange behaviour in ESP8266 AP, password related
- ESP8266 WiFi Connections:STA and AP
- Graphical presentation of SensorData with ESP8266-01.
- Very deep sleep and energy saving on ESP8266: Part 6 Power Down
- Dynamic Icons and Colors in asynchronous webserver
- Very deep sleep and energy saving on esp8266: Part 5 ESP-NOW
- Very deep sleep: Part 4 subscribing to MQTT messages
- Very deep sleep: Part 3 MQTT
- Very Deep sleep and energy saving on esp8266: Part 2 sending data with HTTP
- Very Deep sleep and energy saving on esp8266: Part 1 Basics
- Using Telegram with ESP8266 or ESP32
- A cheap 1-channel relaymodule for ESP8266-01: modifications revisited
- MQTT-HTTP-OTA Template
- Sending ESP8266-sensordata to GoogleSheet
- An ESP8266 with Static IP sending DHT11 data via MQTT, going into DeepSleep
- Connecting an ESP8266 to the outside world
- Adding ADCchannels to an ESP8266
- ESP8266-01 Neopixel module
- The HTU21d-on-an-esp8266-01
- Simple WiF relay board 3
- Simple WiFi relay board or DIY Sonoff SV 4 Channel: 2
- Simple WiFi Relay board/DIY Sonoff SV Sonoff 4-channel-1
- Flashing sonoff touch no soldering
- Battery-fed DeepSleep Weatherstation revisited
- A battery-fed MQTT Weatherstation
- Controlling Neopixel or RGB LED with OpenHAB
- Adding an mcp23017 16-port io expander to arduino or esp8266
- Upload data to ThingSpeak through MQTT with an ESP8266/
Raspberry
- Reading the DHT11 or DHT22 on the raspberry via an overlay and send it to the OpenHAB REST api
- The 16 relay module and the raspberry pi not an ideal marriage
- Measuring analog values on a raspberry pi without adc
- Boot problems after mounting a usb stick on a raspberry pi zero
- Controlling a raspberry gpio pin on a remote raspberry 50 Shades of Blink
- Read a dht sensor on raspberry pi and mqtt the results
- OpenHAB GPIO Example
- Kernel panick: vfs unable to mount, root FS on unknown block. Raspian
- Analog sensors on a Raspberry PI
- Connect an ENC28J60 Ethernet module to an Arduino or a Raspberry Pi
Arduino
- 50 Shades of Blink
- I2C for LCD
- Arduino for Growbox or Greenhouse
- Nokia 5110 on Arduino
- Timer1 was not declared in this scope
- High quality elektret microphone preamplifier
- I2C interface for LCD
- Two Wire interface for LCD with shift register
- Measuring light with an Arduino
- The IRF520 FET Switching module
- stk500_getsync() attempt 1 of 10: not in sync: resp=0x7c
- Storing sensor data on a local server using POST or GET client side
- Storing data in CSV files and presenting it in a graph with Arduino and ENC28j60
- Arduino Atmega2560 with-ethernet W5500 module
- IFTTT Webhooks on Arduino
- Using the 18 bits mcp3421 I2C ADC with Arduino
- Arduino watchdog-timer
- The W5100-bug
- Adding an mcp23017 16-port io expander to arduino or esp8266
- Another simple Arduino
- Connect an ENC28J60 Ethernet module to an Arduino or a Raspberry Pi
- Microphone pre-amp for microcontrollers
- Electret Microphone amplifier
- EEPROM on Arduino with I2C
- A dimmer for Arduino
- A buzzer for the Arduino
- 7 Segment display on Arduino with 595
- Arduino on 1.5 Volt
- Solving the D13 problem on your Arduino
- Arduino Ethernetshield
- Simple Arduino revisited
- Atmega 644
- Arduino Comparison
- Driving a Stepper with bitwise manipulation on Arduino
- Identifying and using a stepper motor on Arduino
- Protection for Arduino ports
- Serialcommunication with DIY Arduino using a 7404
- Simple DIY Arduino with 3.3Volt</a
- Simple SD card interface for Arduino
- 3-Wire LCD
- SD Card for Arduino
- RS232 level converter for Arduino
- Bluetooth for Arduino
- Simple DIY Arduino
- Serialconnection for your DIY Atduino/Atmega
- Timer interrupts
- Arduino Hardware interrupt
- LED Fade
Attiny
- Adding an MCP23017 16 port IO expander to Arduino or ESP8266 or Attiny85 or…
- Solar powering an attiny/arduino with a capacitor or just an AA battery: Part 2
- Solar powering an attiny/arduino with a capacitor or just an AA battery: Part 1
- Adding Shiftregisters to an Attiny 10
- Using the Attiny Reset Pin as I/O (analog input actually) without setting Fuse Bits
- Flashing an LED with an Attiny13
- Attiny Motorboard
- Reading the BMP180 pressure sensor with an attiny
- Servo motor on an attiny13
- High voltage programming/unbricking for attiny
- Installing Attiny13 core files in arduino IDE 1.6 and 1.7
- Sending sensordata wirelessly over 433Mhz with an attiny 45 or attiny 85 with manchestercode
- AnalogRead on attiny13
- Using Attiny with RC-Switch and RemoteSwitch
- Simple Attiny programmer on Arduino
- Sending Wireless data from one attiny to another
- Two wire interface for LCD with shift register on attiny85
- programming HEX code on an attiny85 with the Arduino
- program an attiny with an Arduino Nano
- Attiny for your garden
- Capacative soil humidity sensor with attiny:part2
- Capacative soil humidity sensor with attiny:part1
- Garduino, an Attiny45 for your Garden
- Timer interrupts 9including Attiny
Relays
- A cheap 1-channel relaymodule for ESP8266-01: modifications revisited
- Adding a popular 5volt 4-channel relay board to a 3V3 processor: beginners
- The 16 channel relay module and the raspberry: Not an ideal marriage
- How to use a popular 1 channel Webstore relay on 3V3 / Re-inverting an inverting relay
- Simple WiFi relay board (3)
- Simple WiFi relay board or DIY Sonoff SV Sonoff 4-channel (2)
- Simple WiFi relay board or DIY Sonoff SV Sonoff 4-channel (1)
- Single channel AC TRIAC Switch
- 4 channel Solid Staterelay for microcontroller
ENC28J60
- MQTT with the ENC28J60 Ethershield
- Connect an ENC28J60 Ethernet module to an Arduino or a Raspberry Pi
- Storing sensor data on a (local) server using POST or GET: client side
- Storing Arduino sensor data on a (local) server using POST or GET and PHP and presenting it in a graph
- Arduino Atmega 2560 with ethernet W5500 module
- MQTT with the W5100 Ethernetshield
- Connecting to Thingspeak with Ethernetshield, EtherCard, Ethershield or ESP8266
W5100 and W5500
- The W5100 bug(s) – and how to fix it (them)
- MQTT with the W5100 ethernetshield
- Arduino Atmega2560 with ethernet W5500 module
DeepSleep
- Very DeepSleep and energy saving on ESP8266 – Part 1: Basics
- Very DeepSleep and energy saving on ESP8266 – Part 2: Sending data with HTTP
- Very Deep Sleep and energy saving on ESP8266 – Part 3: MQTT
- Very deep sleep and energy saving on ESP8266 – part 4, subscribing to MQTT messages
- Very Deep Sleep and energy saving on ESP8266 – Part 5: ESP-NOW and WiFi
- Very DeepSleep and energy saving on ESP8266 – Part 6: Power DOWN/UP
- An ESP8266 with Static IP, sending DHT11 data via MQTT, going into DeepSleep
- Battery fed Deepsleep Weatherstation revisited
- Flashing an LED with Attiny13: Timer, Watchdog timer and Sleep
- A battery fed MQTT weatherstation
- Reviewing the Wemos Battery Shield
- 50 Shades of Blink
- Monitoring LiPo battery voltage with Wemos D1 minibattery shield and Thingspeak
- Solar powering an Attiny or Arduino with a capacitor, or just use AA? Part 1
Other
- Presenting Database info in Googlecharts with PHP
- Soil Moisture sensors: Problems & solutions
- I2C Address conflicts
- Using a MAX6675 temperature sensor without library
- MX1508 vs L9110s vs L293D motordriver board
- LSC-smart sensors switches and lamps
- Getting I2C regulated 0-10 volt out of an arduino or ESP8266
- Using limitswitches with diodes
- Is the SI1145 reliable or is it a piece of crap
- mini WiF RGB/RGBW LEDstrip controller Magichome Arilux AL LC0x
- dimming-an-ac-lamp-via-mqtt
- IFTTT Webhooks on Arduino
- MQTT for beginners
- reverse-polarity-protection-with a P-MOSFET
- switching-a-humidity-sensor-off-and-on
- JSON MQTT and OpenHAB
Arduino, ESP8266, ESP32 & Raspberry Pi stuff 