fritzenlab
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Minimalist USB thermometer with ESP32 – update 1
This is an update on the “minimalist USB thermometer with ESP32” project of mine. I have decided on the sensor and sent the pcb for fab
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What is PWM and how to use it?
Let’s dive into the content and get to know what is PWM and how to use it, using a ESP32-C6 as the controller to study it
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Laser distance sensor VL53L0x time-of-flight
Let’s dive into and get twot know the time-of-flight Laser distance sensor VL53L0x from ST semiconductors, with the WiFi chip ESP32-C6
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Minimalist USB thermometer with ESP32 – the idea
I am starting the project of a minimalist USB thermometer with ESP32, based on the Xiao ESP32-C6 WiFi chip. The sensor is connected via i2c.
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Remote control RC car project – the beginning
I am just starting a Remote control RC car project, a complete radio controlled controller + control board from scratch, come with me
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New Raspberry Pi Pico 2 with RP2350
Do you know the new Raspberry Pi Pico 2 with RP2350? it is a dual core ARM or RISC-V microcontroller packed with features, let’s figure
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Wireless communication with ESP-NOW on ESP32
We will implement wireless communication with ESP-NOW on ESP32. It is a protocol that works over WiFi or Bluetooth, for Espressif ESP’s
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ESP32-C6 temperature display with DHT11, TM1637
I create here an ESP32-C6 temperature display with DHT11 and TM1637. It is a 4-digit 7-segment temperature display
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K type thermocouple with MAX6675
Comprehend and see how to use a K type thermocouple with MAX6675, programming an Arduino UNO to show temperature value on serial monitor
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DFRobot Beetle ESP32-C3
Do you know the DFRobot Beetle ESP32-C3 board? it is a small neat little WiFi-capable board that has a lot of power to it
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SDB628 boost circuit board
Do you know the SDB628 boost circuit board? it is a neat little board that takes 2-24V and outputs up to 28V at 4A (theoretically)
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SD card with ESP32-C6 and Arduino
Learn how to use a SD card with ESP32-C6 and Arduino, using the Arduino official library and my own dev board (details in the post)
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Bicycle speedometer project – final update
Another (final) update on the bicycle odometer project, this time I made it work. It needed a capacitor value change
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ESP32-C6 dev board – PCBWay partnership
Let’s me show you the ESP32-C6 dev board – PCBWay partnership. They sent me 5 copies of this neat little board to test out
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Waveshare RP2040-Lora-HF with Arduino
Let’s study how to use the Waveshare RP2040-Lora-HF with Arduino IDE, doing an example with i2c (the HMC5883L magnetometer)
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ESP32 interrupts in Arduino IDE
Let’s study ESP32 interrupts in Arduino IDE, both the hardware one (digital input) and the timer one (internal timer)
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Bicycle speedometer project – update 3
Just sharing a quick update on the bicycle odometer project, I have assembled and tested the PCB, now to the bicycle itself
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Bicycle speedometer project – update 2
An update on the bicycle odometer project, I started tinkering with the ESP8266MOD power consumption a bit. Such a pain
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HW-006 optical line tracker sensor
The HW-006 optical line tracker sensor is an optical assembly used to track lines, mainly for small competition vehicles
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Hobby servo motor SG90 with ESP32-C6
We will see how to control the hobby servo motor SG90 with ESP32-C6, by using a library called Servo.h. Simple way of controlling a servo
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