Category Archives: wireless hacks

Lowering the Boom on Yagi Element Isolation

Antenna design can be confusing, to say the least. There’s so much black magic that goes into antennas that newbies often look at designs and are left wondering exactly how the thing could ever work. Slight changes in length or the angle between two elements result in a vastly different …read more

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Posted in 2.4 ghz, antnenna, boom, directional, driven, isolated, parasitic, wifi, wireless hacks, yagi, yagi-uda | Leave a comment

Turn an Unused Pi Zero into a Parts Bin WiFi Extender

We know a lot of you are sitting on an unused Raspberry Pi Zero W, maybe even several of them. The things are just too small and cheap not to buy in bulk when the opportunity presents itself. Unfortunately, the Zero isn’t exactly a powerhouse, and it can sometimes be …read more

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Posted in extender, pi zero, Pi Zero W, Raspberry Pi, repeater, wifi, wireless hacks | Leave a comment

Three-Dollar Router Rebooter Has One Job

Sometimes connectivity problems go away by power cycling a router. It’s a simple but inconvenient solution to a problem that shouldn’t exist, but that didn’t stop [Mike Diamond] from automating it for a few bucks in parts. The three-dollar router rebooter may be a simple device with only one job, …read more

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Posted in diy, ESP8266, home hacks, power cycle, reboot, state machine, wireless hacks | Leave a comment

Three-Dollar Router Rebooter Has One Job

Sometimes connectivity problems go away by power cycling a router. It’s a simple but inconvenient solution to a problem that shouldn’t exist, but that didn’t stop [Mike Diamond] from automating it for a few bucks in parts. The three-dollar router rebooter may be a simple device with only one job, …read more

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Posted in diy, ESP8266, home hacks, power cycle, reboot, state machine, wireless hacks | Leave a comment

Custom Firmware Makes a LoRA-Enabled HAB Tracker Watch

High Altitude Balloons (HAB) are a great way to get all kinds of data and shoot great photos and video, but what goes up must come down. Once the equipment has landed, one must track it down. GPS and LoRA, with its long wireless range and ease of use, are …read more

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Posted in gps, HAB, high altitude balloon, LoRa, tracking, watch, wearable hacks, wireless hacks | Leave a comment

Adapter Brings M.2 WiFi Cards to the Pinebook Pro

The Pinebook Pro is a considerably more capable machine than the $99 Pinebook released in 2017, but the open source laptop still isn’t exactly a powerhouse by modern standards. The system is intended to compete with mid-range Chromebooks, and to that end, few would argue it’s not worth the $199 …read more

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Posted in adapter, computer hacks, M.2, Pinebook, Pinebook Pro, wireless hacks | Leave a comment

The Rusty Nail Award for Worst WiFi Antenna

In general, you get what you pay for, and if what you pay for is a dollar-store WiFi antenna that claims to provide 12 dBi of signal gain, you shouldn’t be surprised when a rusty nail performs better than it.

The panel antenna that caught [Andrew McNeil]’s eye in a …read more

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Posted in antenna, dipole, gain, Network analyzer, rusty nail, teardown, wifi, wireless hacks | Leave a comment

DIY ESP32 Alarm System Leverages 433 MHz Sensors

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network-enabled microcontroller, and some code. In his latest video, [Aaron Christophel] shows how easy …read more

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Posted in 433 mhz, arduino alarm system, ESP32, home alarm system, home automation, home hacks, Microcontrollers, telegram, wireless hacks | Leave a comment

Adora-BLE Synth Wails Without Wires

Isn’t this the cutest little synth you ever saw? The matching sparkly half-stack amp really makes it, visually speaking. But the most interesting part? There’s not a wire in sight, ’cause [Blitz City DIY]’s futuristic rig sends the bleep boops over Bluetooth LE.

Hardware-wise, both the synth and the amp …read more

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Posted in Adafruit Feather, bluetooth, bluetooth LE, CircuitPlayground Bluetooth, color packets, monophonic, musical hacks, synth, wireless hacks | Leave a comment

LoRa Mesh Network with Off-the-Shelf Hardware

An ideal application for mesh networking is off-grid communication; when there’s no cellular reception and WiFi won’t reach, wide-area technologies like LoRa can be used to create ad hoc wireless networks. Whether you’re enjoying the outdoors with friends or conducting a rescue operation, a cheap and small gadget that will …read more

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Posted in emergency communications, ESP32, LoRa, mesh network, rescue communications, signal, software hacks, wireless hacks | Leave a comment