Ayan Pahwa
RSS FeedA tech flâneur exploring self-hosted systems, privacy-first tools, and everyday carry. Dad of two, coffee brewer, and a constant tinkerer—trying to live a life driven by curiosity and many parallel expensive interests.
📌 Pinned Blogs
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Reverse Engineering IoT Devices
Updated:Reverse engineering a Syska smart LED bulb by sniffing unencrypted BLE packets with Wireshark and Android HCI logs, then replicating the RGB control protocol using Linux Bluez tools (CVE-2017-18642).
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Using Raspberry pi as SWD programmer to flash CircuitPython on Particle Xenon Board
Updated:How to use a Raspberry Pi as an SWD programmer with OpenOCD to flash the CircuitPython UF2 bootloader onto a Particle Xenon (Nordic NRF52840) board.
Recent Posts
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WiFi deAuther OLED v2.5 thoughts and review
Updated:Hands-on review of the ESP8266-based WiFi deauthentication device with OLED display — covering beacon flood attacks, deauth range, and build quality issues found on the Tindie unit.
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Managing Dependencies with Git and bonus advance concepts
Updated:A practical guide to managing project dependencies with Git submodules and Google's Repo tool, plus bonus advanced concepts — git remotes and cherry-picking for multi-developer open source workflows.
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IoT with CircuitPython | Internet connected conference badge
Updated:Using CircuitPython with an ESP32 co-processor to build an internet-connected conference badge (PyBadge) with MQTT-controlled name display and NeoPixel RGB color picker via Adafruit IO.
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Build a crypto miner using Raspberry Pi in 10 minutes
A step-by-step guide to building a crypto miner using Raspberry Pi in under 10 minutes.
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DiY motorised 3D Printed TurnTable
Building a motorised 3D printed turntable using Adafruit M4 Feather and DC motor FeatherWing to create smooth 360° showcase videos of 3D prints.