When I saw this add-on board, I wondered what the point was when there's already an add-on board with 8 RGB LEDs, which is much more versatile. Is it the lower price or simple purism? Facts An RGB LED Description Name D1 ESP32 C3 S2 RGB Pin D2 4 21 8 33 D1 Mini Shield – …
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Heltec offers a low-power board with LoRa in a miniature format here. The price is around €13 on the usual platforms. What is a preview: As I am increasingly losing track of ordered hardware, I will write a small preview after ordering. When I get to the hardware, I will then...
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7 RGB LEDs arranged in a circle, each LED can display 24-bit RGB colours and each LED can be switched individually. Facts 7 RGB LEDs arranged like a flower, LED individually controllable. Description Name D1 ESP32 C3 S2 Signal pin (pre-assigned) D4 GPIO2 16 6 16 Circuit diagram Compatibility D1 Type Compatible Reason if not D1 mini Yes D1 ...
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An 8x8 LED Matrix in red. Facts 8x8 LED Matrix (One module) Data and clock lines are fixed and cannot be adjusted via solder bridges Description Name GPIO Clock CLK 14 Data DIN D7 Schematics Compatibility D1 Type Compatible Reason if not D1 mini Yes D1 mini Pro Yes Not tested D1 mini Lite Yes Not …
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I bought this small package consisting of an ESP01, a control board and an RGB LED ring for around €8 from the large online retailer that starts with an A.
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I've just connected a node to GPS and was looking for some great projects when I found this little beauty. The T-Beam from Lilygo has everything to make a location hunter happy. In addition to GPS, it also has a LoRa chip and a slot for an industrial battery. What more could you ask for.
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I bought these LoRa boards some time ago as a double pack and forgot about them in a drawer. With more and more reports about LoRa (Long Range Radio) appearing, I wanted to try it out as well. I have documented my attempts here. There is now a version 2 of the board. Version 2 also has…
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An ESP32, a display, what more could you want. This is how the LilyGo ESP32 OLED board introduces itself, or something similar. It's relatively short and just about fits on a breadboard with a row to spare on each side. Facts General Description Value Processor ESP32 Flash [MB] 16 USB CP2102 Display SSD1306 Lipo Connector [mm] JST 2x ...
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I've bought a set from "Fast Ali" consisting of a solar panel, charge controller, and fill level indicator. I'd like to use this to start some tests regarding independent power supply. Facts Here are the details for each component. Solar Panel Description Value Output voltage [V] 6 Maximum output power [W] 3 Nominal current [mA] 500 Dimensions l / w / h [mm] 145 …
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Display drivers for many common displays. With add-ons such as colour gradients, touchscreen support, e-paper support… Purpose: Control of SPI displays. Graphical library with various functions. Compatibility: The information below is only a snapshot from the time this post was created. For more up-to-date information, please visit the manufacturer's website linked below. Controllers ESP8266 ESP32 STM32…
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