A Simple WiFi Display This board uses the popular ESP8266 WiFi module and a shift register to control 8 LEDs. Using Arduino, you can write your own code to display data from the internet on the 8 ...Read More…
This board uses the popular ESP8266 WiFi module and a shift register to control 8 LEDs. Using Arduino, you can write your own code to display data from the internet on the 8 bit display.
At its core, this board is a simple desk toy with blinking lights that offers a platform to learn and experiment with some basic WiFi and Arduino techniques.
Included on assembled boards, and available on the project's repository, is an Arduino sketch that displays the intensity of network traffic on the selected WiFi channel.
When the board powers on, it selects the WiFi channel that has the strongest network. The display range is automatically adjusted as it runs, so you don't have to worry about setting anything up. The board will measure the packets flying through the air, and continuously update the display as traffic spikes and settles.
If you want to change the channel, just hold down the button then press to cycle through the 11 WiFi channels. The channel is displayed in binary, with the bottom LED being the least significant bit (the 1's place). Just hold down the button again to confirm the selection, and the board will go back to display mode.
Whether it's the parts kit or the fully assembled version, this board makes a great gift for anyone who loves open source hardware and blinking lights, even if it's a gift to yourself!
Parts kits will include a bare PCB made by JLCPCB, and all the SMD components needed. All the passive components are 1206 in size, and the ICs are SOT and SOIC.
The micro-USB can present a challenge for beginner makers, but fear not and embrace the flux!
Want to have something ready to plug in and run? Order a fully assembled and tested board with the Network Visualizer firmware preloaded! The board will automatically find the channel with the strongest WiFi network, and scale the display as it runs. You can always change the channel whenever you want!
You can include a 3D printed stand in either white or black PLA and screws with your order to help prop up the board on your desk. Otherwise, feel free to download the STL and print your own stand at home!
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Dan | Jan. 6, 2021
Stefan | Nov. 18, 2020
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