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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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Bicycle speedometer with ESP12 – update
I started coding for my Bicycle speedometer with ESP12. The idea of the code is to light a single LED…
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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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Using the ESP32-C6 with CircuitPython – flashing the bin file
I will show you how to get using the ESP32-C6 with CircuitPython, flashing the bin file to make it work. We will use an Espressif software
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WS2812b addressable RGB LED with ESP32-C6
We will learn how to use the Ws2812b addressable RGB LED with ESP32-C6, a light emitting diode chip which can do many RGB colors
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Encoder ky-040 soft library – without interrupts
Let’s implement code for the encoder ky-040 soft library – without interrupts, just an if that enters the reading every 5ms
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LED display clock and thermometer with DS1307 and TM1637
Let’s do a LED display clock and thermometer with DS1307 and TM1637 (a RTC real time clock and a 4-digit LED display) with Arduino UNO