btVolt
ESP32-based battery voltage sensor broadcasting over BLE to Android terminals, with background widget app and optional cloud sharing.
Hardware · Software · IoT Anton Veretenenko
Anton Veretenenko
Hardware & Software Engineer
Embedded developer, firmware, PCB design, Android & Kotlin Multiplatform developer with 18+ years of engineering experience. I build electronics from idea to production.
18+years of experience
10+public projects
9public repos
1000+devices sold
stack
Stack
Embedded, firmware, mobile and backend — a full-stack engineering toolkit from silicon to cloud.
Low-level / Embedded
C/C++ESP32STM32nRF51nRF52AVRMSP430FreeRTOSESP-IDFPlatformIOArduinombedx86 AssemblerMASMReverse EngineeringBLELoRaWANESP-NOWWi-FiMeshI2CTWISPIUARTRS-232RS-485RS-4221-WireCANModBUSGPSNMEAIMUGyro
Mobile / Multiplatform
KotlinJetpack ComposeKotlin MultiplatformCompose MultiplatformAndroid SDKCoroutinesMVVMRoomRetrofitDagger/HiltGlanceMaterial 3SwiftReact NativeGoogle PlayApple AppStore
Backend / Tooling
PythonFastAPIDjangoFlaskDockerPostgreSQLSQLiteRESTWebSocketBashLinuxGitCI/CDJiraConfluencePCBKiCadEasyEDA
Linux / SBC
Raspberry PiRockchipLinux embeddedGTK+YoctoBuildroot
projects
Projects
A selection of hardware, firmware and software I build and ship.
Machine Layout Map
Kotlin Multiplatform desktop app showing an interactive factory floor map with machines, maintenance scheduling and role-based user access.
Roach Control
Roach Control is a light and simple 2D game built on my own game engine written in Python + Canvas, aimed at touch screens and single-board computers.
SNES Mini Wireless Gamepad
Wireless gamepads for SNES Mini on the ESP32-C3 (transmitter) and ESP32-S2 (receiver) — a two-part bare-metal firmware project: a transmitter built into the gamepad and a receiver that lives inside the console and emulates a wired gamepad.
GBAmp3.6
A "Hi-Fi" grade industrial Class-K amplifier module with AGC that fits your favourite Game Boy. Louder, cleaner sound and longer battery life.
GBAmp3.5
Round "doughnut" version of the Game Boy amplifier with embedded boost power supply for maximum efficiency and a clean fit.
GBAmp3
Class-D amplifier for Game Boy that adds headphone mute, better GBC fit and Game Boy Advance support. Now in cool black.
GBAmp2
Open Source Hardware "Hi-Fi" Class D amplifier that fits in the speaker cutout of your Game Boy Color. Much louder and longer battery life.
NES/Famicom Emulator for PlayBook
NES/Famicom emulator for BlackBerry PlayBook with authentic look & feel — a faithful retro gaming experience on the classic tablet.
Translit for Pebble
Android app enabling Russian transliteration input from the Pebble smart watch — type in Russian on your wrist.
Uralkaliy Stock Ticker Watchface
A Pebble watchface that shows the current price of the URKA ticker on the Moscow (MOEX) and London stock exchanges.
contact
Contact
I’m always open to interesting projects, orders and questions. Reach out anytime.
Anton Veretenenko
Embedded and mobile developer with 18+ years of experience — from firmware and PCB design to Android and Kotlin Multiplatform. I build electronics from idea to production.