Hardware. Platform Espressif 32: ESP32 is a series of low-cost, low-power system on a chip microcontrollers with integrated Wi-Fi and Bluetooth. ESP32 integrates an antenna switch, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules. Microcontroller. ESP32S3. Here is a picture of the DH11 shield. dht11. Each shield comes with a choice of header you can solder if you want, as you will be able to see in the code example later the DHT11 connects to D4, one disadvantage of using a shield is this cannot be changed but for beginners and most people this is not an issue as the benefits of using the shield
In this blog post, we will explore how to connect a WeMos D1 Mini (ESP8266 Arduino platform) to a KY-040 rotary encoder. Rotary encoders are versatile input devices that can be used in various applications, such as adjusting settings, navigating menus, or controlling volume. We will discuss the necessary hardware connections, provide a sample.
The only micro controller that I have to hand at the minute is a Wemos D1 mini, not ideal as there are only one set of serial pins and they are shared with the USB. So I have connected the HC-05 as follows: Wemos -> HC-05. 5v -> 5v (vin) gnd -> gnd. RX -> TX. TX -> RX. I have an I2C LCD display also connected as I can't use the serial monitor.
In our example, we will use TTGo Wemos D1 R32. According to the manufacturer's data, it has: 5 to 12V power supply; WiFi; Bluetooth; 4MB Flash; Compatible with shields for Uno, with the exception of analog ports. 1 Analog input (max 3V2) I’ll show a more detailed example in a later post.
Learn how to wire the Bluetooth Transceiver to Wemos D1 Mini in a few simple steps. The primary components for this circuit are: Wemos D1 Mini and HC05. Drag and drop these components onto the canvas, and instantly get a list of secondary parts, wiring instructions and a test code for your circuit. Try it for free.
SwyRQ0o.
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    • wemos d1 mini bluetooth example